Month guide · Santorini · Greece
Santorini in August
What August is really like in Santorini: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: NASA, Public domain
Quick answer
August is a shoulder-season month. Expect average highs of 29°C (84°F), lows of 22°C (72°F), about 0 rainy days and roughly 13.5 hours of daylight. The busiest and most expensive month; the warmest sea, and Greek holidaymakers arrive around mid-August.
Key facts
- Average high / low
- 29°C (84°F) / 22°C (72°F)
- Rainy days
- About 0
- Daylight
- About 13.5 hours
- Sea temperature
- 25°C (77°F)
- Crowds
- Very busy
- Hotel prices
- Highest
Weather in August
August is the 2nd-warmest month in Santorini: days average 29°C (84°F) against a yearly average high of 21°C (70°F), and nights fall to about 22°C (72°F). Rain falls on roughly 0 of its 31 days. Compared with July (29°C (84°F)), August is about as warm; by September highs drop to around 26°C (79°F).
- Sunrise (15 August)
- About 06:36
- Sunset (15 August)
- About 20:10
- Daylight
- About 13.5 hours
- Sea
- 25°C (77°F)
Summer (June–August). Hot, dry and windy, with every beach and boat running; caldera villages and sunsets are very crowded and prices peak.
Crowds and prices
On a 1–5 scale, August rates 5 for crowds (the peak is June at 5) and 5 for hotel prices (highest in June). Book accommodation early: August is one of the pricier months.
Events in August
- Feast of the Dormition — church festivals across the island (15 August)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in August
Mild, settled days suit walking, viewpoints and time outdoors.
Viewpoint · Imerovigli
Skaros Rock
A rocky headland jutting from Imerovigli into the caldera, where a Venetian castle and the island's medieval capital once stood.
- Time needed
- 1–1.5 hours
- Cost
- Free
- Views
- Active
- History
- Free
- Off the beaten path

Historic site · Kamari
Ancient Thera
Drive or take a taxi up the switchback road from Kamari, or hike up from Perissa early in the day.
- Time needed
- 1.5–2 hours
- Cost
- Low cost
- History
- Views
- Active
- Off the beaten path

Island · Nea Kameni
Volcano and hot springs boat trip
Boats from the Old Port below Fira cross the caldera to Nea Kameni, a young volcanic island where a path climbs over black lava to steaming craters.
- Time needed
- Half a day
- Cost
- Mid-priced
- Kids
- Active
- Nature
- Outdoors

Waterfront · Oia
Amoudi Bay
Book a waterside table for an early dinner and walk back up before dark, or take a taxi.
- Time needed
- 2 hours
- Cost
- Free
- Food
- Couples
- Outdoors
- Free
The sea averages 25°C (77°F) — warm enough to swim. Best beaches near Santorini.
What to pack
For highs near 29°C, lows near 22°C and 0 wet days: light, breathable clothes, a sun hat and high-factor sunscreen; comfortable walking shoes.
Is August a good time to visit Santorini?
A shoulder-season month, with a notable event on the calendar. If your dates are flexible, May–June and September–October are better overall. Compare every month.
Santorini in other months
Questions travellers ask
+Is August a good time to visit Santorini?
It is a shoulder-season month. The busiest and most expensive month; the warmest sea, and Greek holidaymakers arrive around mid-August.
+How warm is Santorini in August?
Average highs are around 29°C (84°F) and lows around 22°C (72°F).
+Does it rain a lot in Santorini in August?
Expect rain on about 0 days of the month, so it is usually dry.