Santorini Monthly Climate
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Temperature Overview
- Average Daytime Temperature: 22°C (72°F)
- Average Nighttime Temperature: 16°C (61°F)
Rainfall Statistics
- Annual average daily rainfall: 0.9 mm (0.035 inches) per day
- Rainiest month: December with around 2.8 mm (0.110 inches) per day
- Driest months: July and August with virtually no rainfall
- Average number of rainy days per year: 74 days
Monthly Weather Conditions
Temperature
Precipitation
Seasonal Breakdown
December-February (Winter)
- Highs: 14-16°C (57-61°F)
- Lows: 10-11°C (50-52°F)
- Rainy Days: 8-10 days per month
- Average Precipitation: 2.3 mm/day
- Mild but occasionally wet with strong winds
March-May (Spring)
- Highs: 17-24°C (63-75°F)
- Lows: 12-17°C (54-63°F)
- Rainy Days: 3-7 days per month
- Average Precipitation: 0.9 mm/day
- Pleasant temperatures with decreasing rainfall
June-August (Summer)
- Highs: 28-30°C (82-86°F)
- Lows: 21-23°C (70-73°F)
- Rainy Days: 0-1 days per month
- Average Precipitation: 0.0 mm/day
- Hot and dry with cooling meltemi winds
September-November (Autumn)
- Highs: 19-27°C (66-81°F)
- Lows: 14-20°C (57-68°F)
- Rainy Days: 2-8 days per month
- Average Precipitation: 1.1 mm/day
- Warm seas and mild temperatures
Best Time to Visit
The best time to visit Santorini is during late spring (May to June) and early autumn (September to October) when temperatures are pleasant and crowds are smaller. However, each season offers unique experiences:
Winter (December-February) brings mild temperatures but can be windy and occasionally wet. While this is low season, it's perfect for experiencing authentic island life, visiting wineries, and enjoying cultural activities without tourist crowds. Some restaurants and hotels may be closed.
Spring (March-May) offers comfortable temperatures and blooming wildflowers covering the volcanic landscape. This is an excellent time for hiking, photography, and sightseeing. The water might be too cool for swimming until late spring.
Summer (June-August) is hot and dry with virtually no rainfall. This is peak tourist season with crowded beaches and attractions. The meltemi winds provide welcome relief from the heat, though they can be quite strong. Early morning or evening activities are recommended to avoid the midday heat.
Autumn (September-November) brings pleasant temperatures and warm sea waters. Early autumn is particularly lovely, with fewer tourists but still-perfect swimming conditions. This is an ideal time for all outdoor activities, from beach visits to wine tasting and sunset watching.
Before you go ahead and plan your next visit, make sure to check the weather forecast for your exact travel dates on WhereWeather Website. You can also compare different cities and dates side-by-side.