Sun, sea & sand

Astypalaia weather in December

Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.

22

Holiday weather in December

Poor

Best time to visit: July – September

What is the weather like in Astypalaia in December?

In December, Astypalaia is cool: daytime highs average 16 °C, and nights cool down to about 14 °C. The sea averages 18.7 °C – bracing, so a wetsuit helps for longer swims. Expect around 5 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 69 mm in total. It is often windy, with gusts of around 36 km/h. All in all, December is not an ideal month for a holiday in Astypalaia.

December compared

How the weather changes from November to January. Tap a month to open it.

NovemberNovDecemberDecJanuaryJan
Score382217
Day19°16°14°
Night17°14°13°
Sea20°19°18°
Sun6 h5 h5 h
Rain days71112

More details for December

Daylight
9 h 41 min07:19 – 17:00
UV index
2 · lowclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
36 km/haverage daily peakAll months
Cloud cover
52 %on averageAll months
Hot days
0 days30 °C or moreAll months
Time zone
UTC+2Europe/Athens

How the score comes together

  • Temperatureweight 35 %0 %
  • Seaweight 25 %24 %
  • Sunshineweight 20 %25 %
  • Few rainy daysweight 20 %54 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in December

  • A jumper for the evenings
  • Rain jacket or umbrella
  • Windproof jacket

Astypalaia in December: quick answers

Is Astypalaia hot in December?

No. In December, Astypalaia is cool: daytime highs average 16 °C and nights drop to about 14 °C.

Can you swim in Astypalaia in December?

Only if you don't mind cold water: in December the sea averages just 18.7 °C. Comfortable swimming is possible from June to November.

Does it rain much in Astypalaia in December?

Rain is frequent, with about 11 rainy days and 69 mm in total.

Astypalaia month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences