Jamestown weather in January 2026

Expect daytime maximum temperatures of -9°C in Jamestown, North Dakota in January based on long-term weather averages. There are 5 hours of sunshine per day on average, which might fall as snow.

  • -9°C maximum daytime temperature in January in Jamestown-9
    -9°C max day temperature
  • 5 hours of sunshine per day
  • 7 days with some rainfall in January in Jamestown7
    7 days with some rainfall
  • -20°C minimum night-time temperature in January in Jamestown-20
    -20°C min night temperature
  • 9 hours of daylight per day in January in Jamestown9
    9 hours of daylight per day
  • No heat & humidity in January in Jamestown0
    No heat & humidity
  • 14 mm monthly rainfall in January in Jamestown14
    14 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Jamestown1
    1 (Low) UV index

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The January 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 January?

Daytime temperatures usually reach -9°C in Jamestown in January, falling to -20°C at night.

How sunny is it in Jamestown in January?

There are normally 5 hours of bright sunshine each day in Jamestown in January - that's 52% of daylight hours.

Does it rain in Jamestown in January?

There are usually 7 days with some rain in Jamestown in January and the average monthly rainfall is 14mm. Rain may fall as snow in this month.

Jamestown January sunrise & sunset times

Browse the sunrise and sunset times for Jamestown in January 2026. Select a month to view Jamestown sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 08:20 16:57
Friday, 16th January 2026 08:15 17:15
Saturday, 31st January 2026 08:00 17:37

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