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Greece weather by month: when is the best time to go?
Pick a month to see the average weather, how warm the sea is, how many rain days to expect, which holidays fall then and what to pack.
Averages for every month
| Month | Athens | Sea (Athens) | Rain days | Crete | Rhodes |
|---|---|---|---|---|---|
| January | 7–13° | 16° | 9 | 9–15° | 10–15° |
| February | 7–14° | 15° | 7 | 9–16° | 10–15° |
| March | 9–16° | 15° | 8 | 10–17° | 12–17° |
| April | 12–20° | 16° | 6 | 12–20° | 14–20° |
| May | 16–25° | 18° | 4 | 16–24° | 18–24° |
| June | 21–30° | 22° | 1 | 20–28° | 22–28° |
| July | 23–33° | 24° | 1 | 23–29° | 24–30° |
| August | 24–33° | 25° | 1 | 23–29° | 25–30° |
| September | 20–29° | 24° | 3 | 20–27° | 23–28° |
| October | 16–24° | 22° | 5 | 18–24° | 19–25° |
| November | 12–19° | 19° | 8 | 14–20° | 15–20° |
| December | 8–15° | 17° | 11 | 11–17° | 12–17° |
Long-term averages in Celsius, from Climates to Travel (Athens, Thessaloniki and Heraklion: 1991–2020). “Rain days”: days in the month with precipitation. The source gives no sea temperature for Thessaloniki. These are averages, not a forecast: any year can bring heatwaves, cold spells or storms.
Before you travel
Common questions
When is the sea warmest in Greece?
On average in August: 25°C around Athens and 26°C in Rhodes. Around Athens the sea is 22°C or more in June, July, August, September, October.
What is the rainiest month in Greece?
In Athens, December, with about 11 rain days on average. In Rhodes and Crete most rain falls in December and January, and summer is almost dry.
What is the hottest month in Greece?
July and August: Athens averages up to 33°C by day. Heatwaves can push it much higher.
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