| < December >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Number of Wet Days (probability of rain on a day)
|Average Daylight per day
|Sun altitude at solar noon on the 21st day.
- The average temperature in Mariehamn, Åland Islands in December is slightly cold at 0 °C (32 °F).
- Afternoons can be very cool with average high temperatures reaching 2 °C (35.6 °F).
- Overnight temperatures are generally slightly cold with an average low of -2 °C (28.4 °F).
- The variation/ range of diurnal mean temperatures in December is 4 °C (7.2 °F).
- The weather in December is slightly dry with periodic periods of snow. Only 57mm (2.2in) of H2O descends across an average of 20 days.
- The shortest day is 5:51 long and the longest day is 6:24 long with an average length of 6:00.
Check the distance to and compare the Mariehamn, Åland Islands December averages with somewhere beginning with:
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Weather Trend Graph for December in Mariehamn, Åland Islands, Finland
Navigate to December Weather in Locations Surrounding Mariehamn, Åland Islands:
- Vaasa, Finland - 340.8 kms (211.8 miles) NNE
- Kankaanp (Niinisalo), Finland - 237.3 kms (147.4 miles) NE
- Tampere, Finland - 257.9 kms (160.3 miles) NE
- Jokioinen, Finland - 212.1 kms (131.8 miles) ENE
- Turku, Finland - 137.7 kms (85.6 miles) ENE
- Helsinki, Vantaa, Finland - 280.7 kms (174.4 miles) E
- Helsinki, Finland - 261.1 kms (162.3 miles) E
- Tallin, Estonia - 275.2 kms (171 miles) ESE
- Vilsandi, Estonia - 221.4 kms (137.6 miles) SSE