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📍 Greece · Avg 2014–2023
🇬🇷

Santorini

36.42°N, 25.43°E

The best time to visit Santorini: June to September – best in July (avg. 25.2 °C, 0 rainy days).

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Note: Climate values are from the main town Fira. On larger islands, weather in other parts of Santorini (mountains, other coast, inland) can differ noticeably.
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Hottest Month
Ø 25.2°C
Jul
↑ 27.5°C↓ 22.8°C
🧊
Coldest Month
Ø 11.5°C
Jan
↑ 13.2°C↓ 9.7°C
☀️
Sunniest Month
13.8 h
Jun · avg per day
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Most Rainy Days
11
Jan · days/month
🏖️ Top travel time:JunJulAugSep
☀️ Good travel time:MayOctNov
Month by month

📊 Monthly Climate Overview

MonthMax °CMin °CRain mmRain DaysSun hWind km/hSea °C
Jan13.2°C9.7°C55.6 mm118.0 h35.2 km/h16.8°C
Feb13.9°C10.4°C50.3 mm89.2 h35 km/h16.5°C
Mar14.8°C11.3°C50.6 mm710.1 h34.6 km/h16.4°C
Apr17.7°C13.2°C14.6 mm411.5 h29.4 km/h17.3°C
May21.3°C16.5°C9.3 mm212.7 h26.4 km/h18.7°C
Jun25.2°C20.3°C5.9 mm213.8 h25.6 km/h22.1°C
Jul27.5°C22.8°C0.7 mm013.5 h29.5 km/h24.6°C
Aug27.5°C23.2°C1.8 mm112.9 h27.7 km/h26°C
Sep25.3°C21.3°C7.2 mm111.8 h27.8 km/h24.9°C
Oct21.6°C17.9°C14.1 mm310.1 h27.2 km/h23.4°C
Nov18.4°C14.9°C24.6 mm49.2 h29.4 km/h21.3°C
Dec15°C11.8°C47.5 mm88.0 h32.8 km/h18.7°C

📖Climate & Best Time to Visit Santorini

Santorini (Greece) has a subtropical climate with an annual average of around 18 °C. Daytime highs average 20 °C, while nights cool to about 16 °C. The destination sees roughly 282 mm of rainfall per year and 10.9 hours of sunshine per day on average.

The famous volcanic caldera with whitewashed Cycladic houses, the blue domes of Oia and legendary sunsets over the Aegean.

Classic travel season is the warmer half of the year: highs reach 27.5 °C in July with only 0 rainy days. The sunniest month is June with 13.8 hours of daily sun; the driest is July at just 0 rain days.

Rainfall varies through the year: peaks in January (11 rainy days), driest month is July (0).

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🌦️WeatherLive & 14-day forecast🌐World mapView on the map🗺️Plan tripBest time: Jun

Frequently asked questions about Santorini

When is the best time to visit Santorini?

The best time to visit Santorini: June to September – best in July (avg. 25.2 °C, 0 rainy days). Based on the monthly values for 2014 to 2023.

What are the temperatures in Santorini?

The warmest month is July with an average of 25.2 °C and daytime highs around 27.5 °C. The coldest month is January with an average of 11.5 °C and night-time lows around 9.7 °C.

How many rainy days does Santorini have?

January has the most rainy days with 11 rainy days. The driest month is July with 0 rainy days.

What is the sea temperature near Santorini?

The water is warmest in August at an average of 26.0 °C and coolest in March at 16.4 °C.