
Glyfada weather: when you can swim and how warm it is each month
Glyfada sits on the coast in southern Athens. Here is the weather each month and when the sea is good for swimming.
- The comfortable swimming season is June to October, with the sea at 22–25°C.
- July and August are hottest, up to about 33°C on average.
- December is wettest, with about 11 rain days.
If you are staying in Glyfada or on the Riviera, the table shows when you can combine beach and city and what to pack.
Glyfada weather by month
Glyfada is a seaside suburb in southern Athens, on the Athens Riviera. It has no separate climate table, so the figures are for Athens (1991–2020) from Climates to Travel. On the coast the sea breeze softens summer afternoons slightly, but the overall picture is the same.
| Month | Min | Max | Rain days | Sea |
|---|---|---|---|---|
| January | 7° | 13° | 9 | 16° |
| February | 7° | 14° | 7 | 15° |
| March | 9° | 16° | 8 | 15° |
| April | 12° | 20° | 6 | 16° |
| May | 16° | 25° | 4 | 18° |
| June | 21° | 30° | 1 | 22° |
| July | 23° | 33° | 1 | 24° |
| August | 24° | 33° | 1 | 25° |
| September | 20° | 29° | 3 | 24° |
| October | 16° | 24° | 5 | 22° |
| November | 12° | 19° | 8 | 19° |
| December | 8° | 15° | 11 | 17° |
When can you swim?
The sea reaches 22°C in June and stays warm until October. September, at about 24°C, is one of the best beach months: warm, quieter and less scorching than August. See our Athens Riviera beaches guide and where to stay on the Riviera.
Summer, autumn and winter
June to August is hot and dry, with 30–33°C and almost no rain. October brings 16–24°C, November 12–19°C with about 8 rain days, and winter 8–15°C: fine for shopping and the seafront, not for swimming. Check weather warnings in Greece and the full Athens weather by month.
FAQ
Can you swim in Glyfada in October? Usually yes. The sea around Athens averages about 22°C in October.
What is the hottest month in Glyfada? July and August, with average highs of about 33°C.
What is Glyfada like in November? 12–19°C with about 8 rain days: nice for the seafront, cool for swimming.
Is Glyfada cooler than central Athens? Slightly, thanks to the summer sea breeze, but average differences are small.



