Hamilton weather in January 2025

Expect -1°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Hamilton in January. Check more long-term weather averages for Hamilton in January before you book your next holiday to Montana in 2025/2026.

  • -1°C maximum daytime temperature in January in Hamilton-1
    -1°C max day temperature
  • 3 hours of sunshine per day
  • 13 days with some rainfall in January in Hamilton13
    13 days with some rainfall
  • -10°C minimum night-time temperature in January in Hamilton-10
    -10°C min night temperature
  • 9 hours of daylight per day in January in Hamilton9
    9 hours of daylight per day
  • No heat & humidity in January in Hamilton0
    No heat & humidity
  • 30 mm monthly rainfall in January in Hamilton30
    30 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Hamilton1
    1 (Low) UV index

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

Daytime temperatures usually reach -1°C in Hamilton in January, falling to -10°C at night.

How sunny is it in Hamilton in January?

There are normally 3 hours of bright sunshine each day in Hamilton in January - that's 36% of daylight hours.

Does it rain in Hamilton in January?

There are usually 13 days with some rain in Hamilton in January and the average monthly rainfall is 30mm. Rain may fall as snow in this month.

Hamilton January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 08:19 17:02
Thursday, 16th January 2025 08:14 17:19
Friday, 31st January 2025 08:00 17:41

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