GR Santorini · Summer

Santorini weather
in August

Santorini in August: near-perfect conditions.

Open-Meteo · 10 years · 12 months compared · 36.39°N 25.44°E
28°CMax temperature
3%Rainy days
12.7hSunshine / day

Santorini weather in August

✅ Excellent
🌡️ Temperature min / max
23°C – 28°C
🌧 Rainy days
3% of days
☀️ Sunshine
12.7h per day on average
🌊 🌊 Season
Summer
⭐ ⭐ Weather score
9.7/10
📅 📅 Best month
July (9.9/10)

Should you visit Santorini in August?

✅ Excellent

✅ Yes if: you want to combine beach, sightseeing and hiking — versatile weather (28°C, little rain).

❌ No if: you want to avoid tourist crowds — this is the busiest period.

🌧 Rain : ░░░░░░░░░░ 3%
🌡 Temperature : ███████░░░ 28°C
☀️ Sunshine : █████████░ 12.7h/d

Our take: Visiting Santorini in August is a safe bet: great weather, only 3% chance of rain.

Santorini in August by trip type

What to expect in August

🎯 Ideal conditions for families — pleasant weather and outdoor activities accessible Summer in Santorini brings pleasant temperatures (28°C) and long sunny days (12.7h of sunshine). Rain is virtually absent (3% of days) — ideal for planning without a backup. This is one of the best times of year to visit Santorini.

All months for Santorini

Month-by-month comparison

MonthMin °CMax °CRain %Precip mmSun h/dScore
⛅ January10°C14°C32%1.58.8h6.3/10
⛅ February11°C14°C24%1.69.2h7.0/10
⛅ March12°C16°C21%1.410.8h7.1/10
🌤️ April13°C18°C13%0.411.7h7.6/10
🌤️ May16°C21°C9%0.412.8h8.4/10
☀️ June21°C26°C4%0.213.3h9.5/10
☀️ July23°C28°C1%0.013.1h9.9/10
☀️ August23°C28°C3%0.112.7h9.7/10
☀️ September22°C26°C3%0.211.5h9.1/10
🌤️ October18°C22°C8%0.410.0h8.2/10
🌤️ November15°C19°C15%0.89.0h7.4/10
⛅ December12°C16°C31%1.78.5h7.0/10
Ideal Fair Challenging climate ◀ Current month · Source Open-Meteo · 10 years
📊 Data source Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In August, Santorini averages 28°C, 3% rainy days and 12.7h of sunshine per day. Overall weather score: 9.7/10. See methodology →

August vs July (best month)

The best month is July (score 9.9/10). Difference:

FAQ — Santorini in August

Is August a good time to visit Santorini?
August is an excellent time to visit Santorini (score 9.7/10). With 28°C, 12.7h of sunshine and 3% rain, conditions are very favourable.
What to do in Santorini in August?
With 28°C and 12.7h of sunshine, all outdoor activities are possible: hiking, sightseeing and terraces.

Find a place to stay in Santorini

Find places to stay in Santorini in August Search on Hotels.com

Activities and tours in Santorini

Guided tours, skip-the-line tickets and local experiences. Browse activities on GetYourGuide

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Real-time data with ECMWF seasonal corrections · updated daily

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