Helena weather in January 2025

Expect -1°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Helena in January. Check more long-term weather averages for Helena in January before you book your next holiday to Montana in 2025/2026.

  • -1°C maximum daytime temperature in January in Helena-1
    -1°C max day temperature
  • 4 hours of sunshine per day
  • 9 days with some rainfall in January in Helena9
    9 days with some rainfall
  • -13°C minimum night-time temperature in January in Helena-13
    -13°C min night temperature
  • 9 hours of daylight per day in January in Helena9
    9 hours of daylight per day
  • No heat & humidity in January in Helena0
    No heat & humidity
  • 17 mm monthly rainfall in January in Helena17
    17 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Helena1
    1 (Low) UV index

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The January weather guide for Montana (Helena) 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 Helena in January?

Daytime temperatures usually reach -1°C in Helena in January, falling to -13°C at night.

How sunny is it in Helena in January?

There are normally 4 hours of bright sunshine each day in Helena in January - that's 43% of daylight hours.

Does it rain in Helena in January?

There are usually 9 days with some rain in Helena in January and the average monthly rainfall is 17mm. Rain may fall as snow in this month.

Helena January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 08:12 16:52
Thursday, 16th January 2025 08:07 17:09
Friday, 31st January 2025 07:53 17:31

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