Santorini: Weather Guide & Climate
Complete month-by-month weather guide: Santorini. Best time to visit: May, June, September, October. Plan your trip with detailed climate data.
Climate Overview
Santorini has a warm climate with average yearly highs of 21°C, lows of 17°C, and approximately 4 rainy days per month.
The best time to visit Santorini is during May, June, September, October, when temperatures are comfortable and rainfall is moderate
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Air Quality
Best Time
May, Jun, Sep, Oct
Hottest
Coldest
Driest Month
Forecast for your trip dates
Up to 16 days ahead| Month | High | Low | Rainy days | Condition |
|---|---|---|---|---|
| January | 13°C | 10°C | 6 | Good |
| February | 15°C | 11°C | 6 | Good |
| March | 16°C | 12°C | 7 | Good |
| April | 18°C | 13°C | 3 | Good |
| May | 23°C | 17°C | 1 | Excellent (best) |
| June | 25°C | 20°C | 3 | Excellent (best) |
| July | 28°C | 23°C | 0 | Good |
| August | 29°C | 24°C | 1 | Good |
| September | 27°C | 23°C | 0 | Excellent (best) |
| October | 24°C | 20°C | 5 | Excellent (best) |
| November | 19°C | 15°C | 3 | Good |
| December | 17°C | 14°C | 9 | Good |
Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025
Weather by Season
Winter
Dec–Feb
High: 15°C
Low: 12°C
Rainy days: 7 days/month
Spring
Mar–May
High: 19°C
Low: 14°C
Rainy days: 4 days/month
Summer
Jun–Aug
High: 27°C
Low: 22°C
Rainy days: 1 days/month
Autumn
Sep–Nov
High: 23°C
Low: 19°C
Rainy days: 3 days/month
Month-by-Month Weather Table
January
February
March
April
May
BestJune
BestJuly
August
September
BestOctober
BestNovember
December
| Month | High | Low | Rainy days | Condition | View Details |
|---|---|---|---|---|---|
| January | 13°C | 10°C | 6 | Good | View Details → |
| February | 15°C | 11°C | 6 | Good | View Details → |
| March | 16°C | 12°C | 7 | Good | View Details → |
| April | 18°C | 13°C | 3 | Good | View Details → |
| May (best) | 23°C | 17°C | 1 | Excellent | View Details → |
| June (best) | 25°C | 20°C | 3 | Excellent | View Details → |
| July | 28°C | 23°C | 0 | Good | View Details → |
| August | 29°C | 24°C | 1 | Good | View Details → |
| September (best) | 27°C | 23°C | 0 | Excellent | View Details → |
| October (best) | 24°C | 20°C | 5 | Excellent | View Details → |
| November | 19°C | 15°C | 3 | Good | View Details → |
| December | 17°C | 14°C | 9 | Good | View Details → |
Santorini
Iconic caldera sunsets with Oia sunset viewpoint and Catamaran cruise around the caldera, white-washed villages, volcanic beaches, and cliffside luxury.
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Common Questions
What type of climate does Santorini have?
Santorini has a Warm climate with average yearly temperatures of 21°C (highs) and 17°C (lows).
When is the best time to visit Santorini?
The best time to visit Santorini is during May, June, September, October, when temperatures average around 23°C and conditions are ideal for sightseeing.
What are the hottest and coldest months in Santorini?
The hottest month in Santorini is August with average highs of 29°C, while the coldest is January with average lows of 10°C.
When is the rainy season in Santorini?
Santorini sees the most rain in December (9 rainy days), while July is the driest month (0 rainy days).
More Santorini Guides
Best Time to Visit
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Things to Do
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Itineraries
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Overview
Complete travel guide for Santorini: top things to do, itineraries, and typical costs.