Greece › Santorini › August Weather
Updated: May 4, 2026 • By Santorini Dave
Questions? dave@santorinidave.com
See Also
• Where to Stay in Santorini
• Best Hotels in Santorini
• Best Restaurants in Santorini
• Best Things to Do in Santorini
• Best Santorini Wineries
• Best Boat Tours in Santorini
Oia, Santorini during an August sunset.
Is August a Good Time to Visit Santorini?
Yes, August is a good time to visit Santorini if you want the island at its liveliest: beach clubs open, boat tours running, restaurants busy, nightlife strong, and the sea at its warmest. It is one of the best months for swimming, sunbathing, late dinners, caldera cruises, and a classic Greek island summer atmosphere.
But August is not the best month for everyone. It is hot, expensive, and crowded. Oia sunset can feel more like crowd control than romance, taxis are difficult, port arrivals can be chaotic, and the best hotels sell out far in advance. If you have flexibility and want a similar summer feel with less pressure, September is usually better. If you need school-holiday travel and want guaranteed beach weather, August works very well – just don’t wing it.
Best For: Beach lovers, nightlife seekers, honeymooners who book early, families tied to school holidays, strong swimmers, and travelers who want Santorini at peak summer energy.
Skip If: You hate heat, crowds, expensive hotels, cruise-ship congestion, or planning every important meal and transfer in advance.
August at a Glance
- Weather: Hot, dry, sunny, and very reliable. Daytime highs are around 29°C to 32°C (84°F to 90°F), with hotter spells possible.
- Sea: The warmest swimming of the year, around 25°C to 26°C (77°F to 79°F).
- Rain: Very unlikely. August is one of Santorini’s driest months.
- Crowds: Extreme. August is peak high season.
- Prices: At or near the highest of the year for hotels, villas, rental cars, flights, and some tours.
- Best For: Swimming, beach days, nightlife, boat tours, late dinners, and full summer energy.
- Main Downside: Heat, crowds, high prices, limited taxis, and the need to reserve almost everything important.
Early August vs. Late August
All of August is peak season in Santorini. Do not assume late August will feel quiet or cheap. Hotels, ferries, restaurants, rental cars, and sunset-view tables remain in high demand throughout the month.
The busiest stretch is around mid-August, when Greek and European summer holidays overlap with the August 15 Assumption holiday period. This is when domestic travel pressure is especially high, ferries are very busy, and last-minute logistics become hardest. Late August can feel slightly less frantic than the middle of the month, but it is still high season, and the best hotels and restaurants should still be booked well ahead.
What to Book Before You Arrive
August is not a good month for spontaneous travel planning. The island functions best when your essentials are arranged before you land or step off the ferry.
- Hotels: Book as early as possible, especially for caldera-view hotels, private-pool hotels, honeymoon hotels, and family hotels. The best rooms disappear many months in advance.
- Boat Tours: Reserve early and schedule your Santorini boat tour near the beginning of your stay. If wind disrupts the trip, you want backup days available.
- Ferries: Book August ferries ahead, especially high-speed routes to Mykonos, Naxos, Paros, Crete, and Athens.
- Rental Cars: Book well ahead if staying in Pyrgos, Megalochori, Akrotiri, or beach towns and planning to explore. Read my guide to renting a car in Santorini before committing.
- Restaurants: Reserve sunset-view restaurants and popular dinner spots before arrival. This matters most in Oia, Imerovigli, Fira, and Ammoudi Bay.
- Transfers: Pre-book airport and port transfers. In August, taxis are limited, waits can be long, and Athinios Port is at its most stressful. See my Santorini taxi and transfer guide.
My son and I in our private plunge pool in Fira during an August visit.
Where to Stay in Santorini in August
In August, convenience matters more than in almost any other month. Heat, traffic, crowds, limited taxis, and busy buses make unnecessary movement frustrating. Choose a base that matches how you want to spend your days, not just the village that looks best in photos.
- Imerovigli: The best August choice for luxury, caldera views, sunset views, and a quieter retreat. It is still expensive, but it feels less hectic than Oia and is more peaceful at night.
- Firostefani: A great compromise. Caldera views, walkable to Fira, quieter than Fira, and more convenient than Oia. One of the smartest August bases.
- Fira: Best for buses, nightlife, shopping, restaurants, and practical logistics. It is busy, but it is the easiest village if you want to move around without a car.
- Oia: The most famous and photogenic village, but also the most crowded at sunset. Stay here if you have a good hotel terrace or private pool and plan to retreat from the crowds.
- Kamari and Perissa: Best for beach-focused travelers, families, and better-value hotels. The beach towns are easier for swimming and casual meals, but you give up the caldera-view experience.
- Pyrgos and Megalochori: Good for travelers who want more space, a traditional village feel, and a break from the caldera crowds. A rental car is helpful if you stay here.
- Akrotiri: Quiet, scenic, and good for caldera views at lower prices than Oia or Imerovigli. Best with a car and best for travelers who do not need nightlife outside their door.
For a first visit in August, I’d choose Imerovigli, Firostefani, or Fira. For beach days and families, Kamari and Perissa can make more sense. For romance, views, and pool time, look at luxury hotels, infinity-pool hotels, and sunset-view hotels.
Breakfast in Firostefani on an August morning.
Weather, Swimming, and Peak Summer Heat
August weather in Santorini is hot, dry, sunny, and dependable. Daytime highs are around 29°C to 32°C (84°F to 90°F), with hotter afternoons and occasional heatwaves pushing temperatures higher. Evenings are warm and pleasant, around 23°C to 25°C (73°F to 77°F), though wind can make cliffside dinners feel cooler than expected.
Rain is very rare in August. The bigger weather issue is sun and wind, not storms. The sun is intense, shade is limited on the caldera paths, and the black-sand beaches at Kamari, Perissa, and Perivolos can get extremely hot underfoot. Sandals or water shoes are useful.
The sea is excellent for swimming in August, around 25°C to 26°C (77°F to 79°F), which is about as warm as Santorini gets. This is one of the best months for long swims, beach days, and boat tours.
The main complication is the Meltemi, the strong northerly wind that affects the Aegean in July and August. It can make hot days feel more comfortable in the villages, but it can also create choppy seas, rougher beach conditions, boat-tour changes, and ferry delays. It does not ruin most trips, but it is the reason I recommend booking boat tours early in your stay and avoiding tight ferry-to-flight connections.
Best Things to Do in August
A boat tour of the caldera is a non-negotiable must in August.
Take a Caldera Boat Tour: A boat tour is one of the best things to do in Santorini in August. Book early, choose a morning cruise if you are worried about wind or seasickness, and schedule it early in your trip so you have flexibility if conditions change.
Plan Real Beach Time: August is one of the best months for swimming. Kamari, Perissa, and Perivolos are the easiest beach days, with restaurants, sunbeds, and buses. Ammoudi Bay has the best deep-water swimming below Oia, but it is not a traditional beach.
Reserve a Sunset Dinner: Sunset is busy everywhere, but a good dinner reservation makes the evening much easier. Book Oia, Imerovigli, Fira, and Ammoudi Bay restaurants in advance. See my guide to the best restaurants in Santorini.
Do the Fira-to-Oia Hike Very Early: This is an early-morning-only activity in August. Start around sunrise or as early as possible. There is very little shade, and hiking in the middle of the day is a mistake.
Visit Wineries Late in the Day: Santorini’s wineries are excellent in August, especially in the late afternoon or early evening when the heat drops. Book tastings ahead at the most popular wineries. See my Santorini winery guide.
Use Indoor and Shaded Activities Smartly: Ancient Akrotiri is a good hot-weather activity because the archaeological site is covered. Museums, wineries, long lunches, and pool time are better midday choices than exposed ruins or long walks.
Enjoy Fira Nightlife: August is peak nightlife season. Fira is the center of the island’s bars and late-night energy. If nightlife matters, stay in or near Fira or Firostefani. Read more in my Santorini nightlife guide.
Explore Villages Early or Late: Oia, Fira, Pyrgos, and Megalochori are best early in the morning or after the worst heat has passed. Midday sightseeing in August sounds better on paper than it feels in real life.
The swim spot below Oia is idyllic in August.
Ferries and Island Hopping in August
August has strong ferry service in the Cyclades, but demand is extremely high. Do not wait until the last minute for fixed itineraries, popular high-speed routes, or travel around weekends and the mid-August holiday period.
Book ahead for Athens to Santorini, Santorini to Athens, Santorini to Mykonos, Santorini to Naxos, Santorini to Paros, Santorini to Crete, and Santorini to Milos. For general planning, start with my Greek ferry guide and Greek island hopping guide.
The Meltemi matters in August. Ferries usually run, but wind can cause delays, rough crossings, or schedule changes, especially on high-speed catamarans. If you have an international flight from Athens, do not arrive by ferry on the same day. Spend your final night in Athens or fly back from Santorini with a safe buffer.
What Surprises People About August
- It feels busier than expected: Even travelers who know August is peak season can be surprised by the density of people in Oia, Fira, Ammoudi Bay, and Athinios Port.
- Oia sunset is not peaceful: It is beautiful, but the public viewpoints can be shoulder-to-shoulder. A hotel terrace or dinner reservation changes the experience completely.
- Hotel prices are very high: August caldera-view rooms, private pools, and luxury suites are expensive and sell out early.
- The heat changes your itinerary: A packed sightseeing schedule that works in May or October can feel exhausting in August.
- Wind still matters: August can be hot and sunny but still windy enough to affect beaches, ferries, and boat tours.
- Transfers matter more than expected: A pre-booked ride from the port or airport can be the difference between a smooth arrival and a stressful one.
- Planning makes the trip: August can be wonderful if you reserve the right things. It can be frustrating if you treat it like shoulder season.
August Mistakes to Avoid
- Booking hotels too late: The best August hotels are gone long before summer begins.
- Assuming taxis will be easy: Santorini has limited taxis, and August demand is intense. Pre-book transfers when timing matters.
- Hiking midday: The Fira-Oia hike is beautiful but exposed. Start very early or skip it.
- Booking a boat tour on your last day: If wind forces a change, you have no backup window.
- Planning a tight ferry-to-flight connection: This is risky in any month and especially in August.
- Choosing Oia if you hate crowds: Oia is gorgeous, but August sunset crowds are intense. Consider Imerovigli or Firostefani instead.
- Not reserving restaurants: Popular sunset restaurants and top dinner spots should be booked ahead.
- Over-scheduling: In August, one major activity per day plus pool, beach, or dinner is better than racing around the island.
A August afternoon by the pool in Imerovigli.
What to Pack for Santorini in August
- High-SPF sunscreen: The sun is intense, and shade is limited.
- Hat and sunglasses: Essential for beaches, walks, and boat tours.
- Breathable clothes: Linen, cotton, and lightweight fabrics are best.
- Swimwear: Bring more than one suit if you plan daily beach or pool time.
- Walking shoes: Santorini has steps, uneven paths, cobblestones, and slippery caldera lanes.
- Sandals or water shoes: Useful for hot black sand, rocky beaches, and swimming spots.
- Reusable water bottle: Heat and sun make dehydration easy.
- Light layer: Evenings are warm, but wind can make boat tours and cliffside dinners feel cooler.
- Nicer dinner outfit: Santorini is casual, but people dress up a little for sunset dinners and caldera restaurants.
August vs. Other Months
- July vs. August: Both are hot, busy, expensive, and excellent for swimming. August feels more crowded because it overlaps heavily with Greek and European summer holidays. July can be slightly easier, but neither month is quiet.
- August vs. September: September is better for most travelers: warm sea, slightly cooler days, fewer crowds, and somewhat lower prices. August is better for peak nightlife, school-holiday schedules, and maximum summer energy.
- June vs. August: June has better sightseeing weather, lower prices, and fewer crowds. August has warmer sea temperatures, busier nightlife, and a fuller high-season atmosphere.
- August vs. October: August is much hotter, busier, and better for guaranteed beach weather. October is calmer, cheaper, and better for sightseeing, but swimming and boat-tour weather become more variable, especially later in the month.
For a full seasonal comparison, see my guide to the best time to visit Santorini.
Restaurants are at peak demand in August. Reserve tables (like this one in Ammoudi Bay) weeks in advance.
Frequently Asked Questions
Is August a good time to visit Santorini?
Yes, August is a good time to visit Santorini if you want hot weather, warm swimming, nightlife, beach days, and a full high-season atmosphere. It is not the best month for low prices, quiet villages, flexible planning, or avoiding crowds.
Is Santorini too hot in August?
It can be too hot for some travelers, especially in the middle of the day. Sightseeing, hiking, and long walks are best early in the morning or near sunset. Plan pool, beach, winery, or shaded activities during the hottest hours.
Is August too crowded in Santorini?
August is the most crowded month in Santorini. Oia sunset, Fira, Ammoudi Bay, Athinios Port, popular beaches, and famous restaurants can all feel very busy. It is manageable if you book ahead and choose your base carefully.
Can you swim in Santorini in August?
Yes. August is one of the best months for swimming in Santorini. The sea is at its warmest, around 25°C to 26°C (77°F to 79°F). For easy beach days, see my guide to the best beaches in Santorini.
Where should I stay in Santorini in August?
For most first-time visitors, Imerovigli, Firostefani, and Fira are the best August bases. Oia is beautiful but very crowded. Kamari and Perissa are best for beach-focused trips. Pyrgos, Megalochori, and Akrotiri are quieter but easier with a rental car. Start with my guide to where to stay in Santorini.
Are hotels expensive in August?
Yes. August is one of the most expensive months for Santorini hotels. Caldera-view hotels, private-pool suites, luxury hotels, and family rooms are especially expensive and should be booked early.
How far in advance should I book August hotels?
Book as early as you can. For the best caldera-view, honeymoon, luxury, and private-pool hotels, many travelers should start looking 6 to 12 months ahead. Good rooms can still appear later, but choice and value drop quickly.
Is August good for a honeymoon?
August can be great for a honeymoon if you book a wonderful hotel and accept the crowds. Choose Imerovigli, Firostefani, or a high-end Oia hotel with a private terrace or pool. If you want more romance and fewer crowds, September is better.
Is August good for families?
Yes, August can be good for families, especially if you want beach time and warm swimming. Kamari and Perissa are practical beach bases, while Fira is best for transport. Book family rooms early and avoid over-scheduling midday sightseeing. See my guide to Santorini with kids.
Is August good for a boat tour?
Yes. August is excellent for a Santorini boat tour, but book ahead and schedule it early in your stay. Meltemi winds can affect sea conditions, so avoid leaving the boat tour until your final day.
Is the Fira-Oia hike too hot in August?
It can be. The Fira-Oia hike has little shade and is not a good midday activity in August. Start very early, bring water, wear a hat, and skip it if you are not comfortable hiking in heat.
Are ferries running in August?
Yes, ferries run frequently in August, and schedules are generally at their strongest. But demand is very high, and wind can cause delays or rough crossings. Read my Greek ferry guide before planning tight connections.
Do August ferries sell out?
Popular August ferry routes can sell out, especially high-speed ferries, weekends, and travel around mid-August. Book ahead if your itinerary is fixed.
Do I need a rental car in August?
Not always. If you stay in Fira or Firostefani and plan to use buses, tours, and transfers, you may not need a car. A rental car is more useful for Pyrgos, Megalochori, Akrotiri, villas, and beach-town stays. Parking in Oia and Fira can be frustrating in August. See my guide to renting a car in Santorini.
Is August better than September in Santorini?
For most travelers, September is better: warm sea, slightly cooler weather, fewer crowds, and better value. August is better if you need school-holiday travel, want peak nightlife, or love the busiest high-season atmosphere.
About Santorini Dave