Mariehamn weather in December 2024

Expect 1°C daytime maximum temperatures in the shade with on average 1 hours of sunshine per day in Mariehamn in December. Check more long-term weather averages for Mariehamn in December before you book your next holiday to Finland in 2024/2025.

  • 1°C maximum daytime temperature in December in Mariehamn1
    1°C max day temperature
  • 1 hour of sunshine per day
  • 19 days with some rainfall in December in Mariehamn19
    19 days with some rainfall
  • -4°C minimum night-time temperature in December in Mariehamn-4
    -4°C min night temperature
  • 6 hours of daylight per day in December in Mariehamn6
    6 hours of daylight per day
  • No heat & humidity in December in Mariehamn0
    No heat & humidity
  • 44 mm monthly rainfall in December in Mariehamn44
    44 mm of monthly rainfall
  • No UV (maximum) index in December in Mariehamn0
    No UV (Maximum) Index UV index
  • 4°C sea temperature in December in Mariehamn4
    4°C sea temperature

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The December weather guide for Finland (Mariehamn) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How cold is it in Mariehamn in December?

Daytime temperatures usually reach 1°C in Mariehamn in December, falling to -4°C at night.

How sunny is it in Mariehamn in December?

There are normally 1 hour of bright sunshine each day in Mariehamn in December - that's 8% of daylight hours.

Is the sea cold around Mariehamn in December?

The average sea temperature around Mariehamn in December is 4°C.

Does it rain in Mariehamn in December?

There are usually 19 days with some rain in Mariehamn in December and the average monthly rainfall is 44mm. Rain may fall as snow in this month.

Mariehamn December sunrise & sunset times

Browse the sunrise and sunset times for Mariehamn in December 2024. Select a month to view Mariehamn sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st December 2024 09:17 15:42
Monday, 16th December 2024 09:40 15:32
Tuesday, 31st December 2024 09:44 15:44

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