Greece
Athens weather by month
Athens is warmest in July, with average highs of 34°C, and coolest in January at 12°C. The sea ranges from about 16°C to 27°C, warmest in August.
- WarmestJuly34°C average high
- CoolestJanuary12°C average high
- Warmest seaAugust27°C on average
- From Dublin≈ 4hdirect, estimated
Athens through the year
Beach weather (highs of 25°C or more and fewer than seven rainy days) is most likely May to September.
Month by month
| Month | High | Low | Sea | Rainy days | Rain | Sky | Days 25°C+ |
|---|---|---|---|---|---|---|---|
| January | 12° | 5° | 17° | 7 | 59 mm | Often cloudy | 0% |
| February | 14° | 6° | 16° | 7 | 60 mm | Often cloudy | 0% |
| March | 16° | 8° | 16° | 5 | 47 mm | Often cloudy | 0% |
| April | 20° | 11° | 17° | 4 | 33 mm | Some cloud | 11% |
| May | 25° | 16° | 19° | 4 | 29 mm | Some cloud | 52% |
| June | 30° | 20° | 24° | 4 | 25 mm | Mostly clear | 93% |
| July | 34° | 23° | 27° | 1 | 7 mm | Mostly clear | 100% |
| August | 33° | 23° | 27° | 1 | 9 mm | Mostly clear | 100% |
| September | 29° | 19° | 26° | 2 | 22 mm | Mostly clear | 88% |
| October | 23° | 15° | 24° | 2 | 26 mm | Some cloud | 31% |
| November | 18° | 11° | 22° | 6 | 66 mm | Often cloudy | 2% |
| December | 14° | 7° | 18° | 7 | 86 mm | Often cloudy | 0% |
Shaded rows: beach weather (May to September). Rainy day = 2 mm or more. Sky = average cloud cover. How we measure
Flying time
Estimated from the distance for a direct flight. Real schedules vary, and many long-haul trips need a connection.
- From Dublin≈ 4h
- From Cork≈ 4h
- From Belfast≈ 4h
- From London≈ 3h 30m
- From Manchester≈ 3h 45m
- From Glasgow≈ 4h
Air: ERA5 reanalysis via Open-Meteo, 2011–2025, for the grid point at 37.98, 23.73 (99 m). Sea: Copernicus Marine analysis via Open-Meteo, 2023–2025. Averages describe past weather, not a forecast.