Greece
Skiathos weather by month
Skiathos is warmest in July, with average highs of 30°C, and coolest in January at 13°C. The sea ranges from about 15°C to 27°C, warmest in August.
- WarmestJuly30°C average high
- CoolestJanuary13°C average high
- Warmest seaAugust27°C on average
- From Dublin≈ 3h 45mdirect, estimated
Skiathos through the year
Beach weather (highs of 25°C or more and fewer than seven rainy days) is most likely June to September. December is the wettest month, with rain on about 11 days.
Month by month
| Month | High | Low | Sea | Rainy days | Rain | Sky | Days 25°C+ |
|---|---|---|---|---|---|---|---|
| January | 13° | 7° | 15° | 10 | 110 mm | Often cloudy | 0% |
| February | 13° | 7° | 15° | 9 | 103 mm | Often cloudy | 0% |
| March | 15° | 9° | 15° | 8 | 96 mm | Often cloudy | 0% |
| April | 18° | 12° | 16° | 5 | 56 mm | Some cloud | 1% |
| May | 23° | 16° | 18° | 4 | 42 mm | Some cloud | 20% |
| June | 28° | 20° | 24° | 3 | 28 mm | Mostly clear | 87% |
| July | 30° | 23° | 27° | 2 | 31 mm | Mostly clear | 100% |
| August | 30° | 23° | 27° | 3 | 31 mm | Mostly clear | 100% |
| September | 27° | 20° | 25° | 5 | 114 mm | Some cloud | 77% |
| October | 22° | 16° | 22° | 6 | 87 mm | Some cloud | 14% |
| November | 18° | 12° | 19° | 8 | 99 mm | Often cloudy | 0% |
| December | 15° | 9° | 17° | 11 | 124 mm | Often cloudy | 0% |
Shaded rows: beach weather (June to September). Rainy days = days with 1 mm of rain or more, as weather stations count them. 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≈ 3h 45m
- From Cork≈ 4h
- From Belfast≈ 4h
- From London≈ 3h 15m
- From Manchester≈ 3h 30m
- From Glasgow≈ 4h
Air: Copernicus ERA5-Land, 2011–2025, for the land nearest Skiathos (0 m), matched to the official 1991-2000 averages for Skiathos airport (HNMS). Sea: Copernicus ERA5 sea surface temperature, 2022–2025. Averages describe past weather, not a forecast.