Jamestown weather in December 2025

Expect -6°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Jamestown in December based on long-term weather averages. There is usually 7 days with some rainfall and 11 mm of average monthly rainfall in December.

  • -6°C maximum daytime temperature in December in Jamestown-6
    -6°C max day temperature
  • 4 hours of sunshine per day
  • 7 days with some rainfall in December in Jamestown7
    7 days with some rainfall
  • -16°C minimum night-time temperature in December in Jamestown-16
    -16°C min night temperature
  • 9 hours of daylight per day in December in Jamestown9
    9 hours of daylight per day
  • No heat & humidity in December in Jamestown0
    No heat & humidity
  • 11 mm monthly rainfall in December in Jamestown11
    11 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Jamestown1
    1 (Low) UV index

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The December weather guide for North Dakota (Jamestown) 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 Jamestown in December?

Daytime temperatures usually reach -6°C in Jamestown in December, falling to -16°C at night.

How sunny is it in Jamestown in December?

There are normally 4 hours of bright sunshine each day in Jamestown in December - that's 44% of daylight hours.

Does it rain in Jamestown in December?

There are usually 7 days with some rain in Jamestown in December and the average monthly rainfall is 11mm. Rain may fall as snow in this month.

Jamestown December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 08:00 16:48
Tuesday, 16th December 2025 08:14 16:47
Wednesday, 31st December 2025 08:20 16:56

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