Mariehamn weather in December 2019

  • 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

Going to Mariehamn? Find the best month to visit Mariehamn based on the weather.

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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 2019/2020.

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More about Mariehamn

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The December weather guide for Mariehamn, Finland 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)

Guide to Mariehamn weather in December

The average maximum daytime temperature in Mariehamn in December is a cold 1°C (34°F). The average night-time temperature is usually a very cold -4°C (25°F). There is usually 1 hour of bright sunshine each day, which represents 8% of the 6 hours of daylight.

Expect 44mm (1.7 inches) of rainfall across the whole of December with 19 days with some rain falling.

The average sea temperature in and around Mariehamn in December is 4°C (39°F).

Mariehamn sunrise & sunset times for December 2019

Browse the sunrise & sunset times for Mariehamn in December 2019. Select a month to view Mariehamn sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st December 2019 09:15 15:43
Monday, 2nd December 2019 09:17 15:41
Tuesday, 3rd December 2019 09:19 15:40
Wednesday, 4th December 2019 09:21 15:39
Thursday, 5th December 2019 09:23 15:38
Friday, 6th December 2019 09:25 15:37
Saturday, 7th December 2019 09:26 15:36
Sunday, 8th December 2019 09:28 15:36
Monday, 9th December 2019 09:30 15:35
Tuesday, 10th December 2019 09:31 15:34
Wednesday, 11th December 2019 09:33 15:34
Thursday, 12th December 2019 09:34 15:33
Friday, 13th December 2019 09:35 15:33
Saturday, 14th December 2019 09:37 15:33
Sunday, 15th December 2019 09:38 15:32
Monday, 16th December 2019 09:39 15:32
Tuesday, 17th December 2019 09:40 15:32
Wednesday, 18th December 2019 09:41 15:33
Thursday, 19th December 2019 09:42 15:33
Friday, 20th December 2019 09:42 15:33
Saturday, 21st December 2019 09:43 15:33
Sunday, 22nd December 2019 09:43 15:34
Monday, 23rd December 2019 09:44 15:35
Tuesday, 24th December 2019 09:44 15:35
Wednesday, 25th December 2019 09:44 15:36
Thursday, 26th December 2019 09:45 15:37
Friday, 27th December 2019 09:45 15:38
Saturday, 28th December 2019 09:45 15:39
Sunday, 29th December 2019 09:45 15:40
Monday, 30th December 2019 09:44 15:41
Tuesday, 31st December 2019 09:44 15:42
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