Santorini weather
At 8:30 PM local time it was showers and 18°C (64°F). Mostly light, on-and-off rain; heavier around 3 AM (4.3 mm total). Best months for weather: May–Sep. Santorini sits 100 m (328 ft) above sea level, which keeps it cooler than the coast. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Santorini, South Aegean, Greece.
Current conditions
- Clouds
- 100%
- Chance of rain
- 53%
- Rain
- 0.1 mm/h
Hourly Forecast
Mostly light, on-and-off rain; heavier around 3 AM (4.3 mm total)
Daily Forecast
Best Time to Visit
Peak season May–SepOff season Dec–Feb
About Santorini weather
Is it raining in Santorini right now?
Yes. It’s showers and 18° right now. Mostly light, on-and-off rain; heavier around 3 AM (4.3 mm total).
What’s the weather like in Santorini this week?
Over the next 7 days, expect highs of 16–21° and lows of 14–19°. Rain is likely on 4 of 7 days (Saturday, Sunday, Monday, Tuesday). The driest day looks like Thursday.
Has it been raining in Santorini lately?
In the past 7 days, Santorini had 3 rainy days and 15.4 mm of rain in total.
What should I pack for Santorini?
For the coming week, bring an umbrella or rain jacket and a light jacket.
Santorini weather by month
When is the best time to visit Santorini?
Based on weather alone, the best time to visit Santorini is May–Sep, according to NASA's 2001–2025 climate averages. Dec–Feb tends to be the least pleasant. Average highs run from 15°C (58°F) in February to 27°C (81°F) in August.
What is the rainiest month in Santorini?
January is the wettest month, with about 96 mm (3.8 in) of rain on average. August is the driest, with about 2 mm (0.1 in).
What is the hottest month in Santorini?
August is the warmest, with average highs of 27°C (81°F) and lows of 25°C (76°F). February is the coolest, with highs of 15°C (58°F) and lows of 13°C (55°F).
Does Santorini have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is January at about 96 mm (3.8 in).
How warm is the sea in Santorini?
The sea is warmest in August at about 26°C (79°F) and coolest in March at about 18°C (64°F). It is comfortable for swimming (22°C or more) in Jun–Oct.
Santorini weather month by month
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine, forecast and current conditions from Open-Meteo. Page updated . How we rate months