Koszalin weather in December 2025

Expect 2°C daytime maximum temperatures in the shade with on average 1 hour of sunshine per day in Koszalin in December based on long-term weather averages. There is usually 18 days with some rainfall and 54 mm of average monthly rainfall in December.

  • 2°C maximum daytime temperature in December in Koszalin2
    2°C max day temperature
  • 1 hour of sunshine per day
  • 18 days with some rainfall in December in Koszalin18
    18 days with some rainfall
  • -2°C minimum night-time temperature in December in Koszalin-2
    -2°C min night temperature
  • 7 hours of daylight per day in December in Koszalin7
    7 hours of daylight per day
  • No heat & humidity in December in Koszalin0
    No heat & humidity
  • 54 mm monthly rainfall in December in Koszalin54
    54 mm of monthly rainfall
  • No UV (maximum) index in December in Koszalin0
    No UV (Maximum) Index UV index

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The December weather guide for Poland (Koszalin) 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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More about Poland

How cold is it in Koszalin in December?

Daytime temperatures usually reach 2°C in Koszalin in December, falling to -2°C at night.

How sunny is it in Koszalin in December?

There are normally 1 hour of bright sunshine each day in Koszalin in December - that's 12% of daylight hours.

Does it rain in Koszalin in December?

There are usually 18 days with some rain in Koszalin in December and the average monthly rainfall is 54mm. Rain may fall as snow in this month.

Koszalin December sunrise & sunset times

Browse the sunrise and sunset times for Koszalin in December 2025. Select a month to view Koszalin sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 07:52 15:36
Tuesday, 16th December 2025 08:10 15:32
Wednesday, 31st December 2025 08:15 15:42

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