Idaho Falls weather in January 2025

Expect 27°F daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Idaho Falls in January. Check more long-term weather averages for Idaho Falls in January before you book your next holiday to Idaho in 2025/2026.

  • 27°F maximum daytime temperature in January in Idaho Falls27
    27°F max day temperature
  • 4 hours of sunshine per day
  • 11 days with some rainfall in January in Idaho Falls11
    11 days with some rainfall
  • 10°F minimum night-time temperature in January in Idaho Falls10
    10°F min night temperature
  • 9 hours of daylight per day in January in Idaho Falls9
    9 hours of daylight per day
  • No heat & humidity in January in Idaho Falls0
    No heat & humidity
  • 0.9 inches monthly rainfall in January in Idaho Falls0.9
    0.9 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Idaho Falls1
    1 (Low) UV index

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The January weather guide for Idaho (Idaho Falls) 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)  |  Imperial (°F)

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How cold is it in Idaho Falls in January?

Daytime temperatures usually reach 27°F in Idaho Falls in January, falling to 10°F at night.

How sunny is it in Idaho Falls in January?

There are normally 4 hours of bright sunshine each day in Idaho Falls in January - that's 45% of daylight hours.

Does it rain in Idaho Falls in January?

There are usually 11 days with some rain in Idaho Falls in January and the average monthly rainfall is 0.9 inches. Rain may fall as snow in this month.

Idaho Falls January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 08:01 17:03
Thursday, 16th January 2025 07:57 17:19
Friday, 31st January 2025 07:45 17:39

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