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Santorini, Greece · Temperate oceanic

Santorini in August: go or not?

Excellent time. Santorini in August scores 9.5/10.

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 36.39°N · 25.44°E
⚡ This month's verdict
Go for it
Santorini · August
9.5
23–28°
Temperature
3%
Rain
9h
Sun
🌊 Seaside☀️ Bright🍴 Gastronomy
Photo : Tânia Mousinho via Unsplash
The month in detail

What to expect in August

Summer in Santorini brings pleasant temperatures (82°F) and long sunny days (9.2h 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.

August ranks 2 out of 12 months in Santorini. Compared to July: −0.5h of sun per day.

This month's conditions

What it's like in August

UV index
8 · high
sunscreen and hat advised
Feels like
muggy at times
18°
Sea
26°C
pleasant for swimming
Daylight
13.4h of daylight
Air quality
fair
AQI 44
Compare

Is August the right month?

The best month in Santorini is July (9.6/10), 0.1 pt higher than August.

See July →See all 12 months →
Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · Santorini

GetYourGuide selection · free cancellation

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Affiliate link · GetYourGuide
Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach trip.

Country · Greece

🗣️LanguageGreek
💶CurrencyEuro (€)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘModerate · 3/5

🌡️ Climate

🌍Climate typeTemperate oceanic
📈Climate trend ⓘ+2.18°F/decade
🔥Hottest monthJuly · 82°F
❄️Coolest monthJanuary · 57°F
🌧️Rainiest month ⓘDecember · 20%

🏖️ Beach trip

📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
🛂VisaSchengen · 90 days
Location

Where is Santorini ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Greece
Temperate oceanic climate with a 9.6 → 4.4 gap between best and worst month. 10 years of ERA5 data to choose by project.
36.39°N · 25.44°E
Questions

Frequently asked questions

What is the best time to visit Santorini?
July is the best month with 82°F highs, 73°F lows, 9.7h of sunshine and 1.0% rainy days. The months of July & August offer comparable conditions.
How many hours of sunshine does Santorini get in July?
Santorini averages 9.7 sunshine hours per day in July. It is the sunniest month with a climate score of 9.4/10.
What is the rainiest month in Santorini?
January is the most unfavourable month with January has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Santorini in July?
In July, overnight lows reach 73°F, while afternoon highs average 82°F.
Is Santorini good in winter?
In winter (December-February), Santorini scores 5.1/10 on average — Difficult period — prefer the peak season.. The best month overall remains July with a score of 9.4/10.
When should you avoid Santorini?
January is the most difficult month to visit Santorini, with January has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Santorini in August?
In August, the sea averages 79°F in Santorini: pleasant for swimming. Swimming is pleasant without a wetsuit.
Do you need sun protection in Santorini in August?
The average UV index reaches 8 in August in Santorini (high), with about 13.4h of daylight. Sunscreen and hat advised.