Twin Falls weather in January 2026

Expect daytime maximum temperatures of 36°F in Twin Falls, Idaho in January based on long-term weather averages. There are 4 hours of sunshine per day on average with 11 days with some rainfall, which might fall as snow.

  • 36°F maximum daytime temperature in January in Twin Falls36
    36°F max day temperature
  • 4 hours of sunshine per day
  • 11 days with some rainfall in January in Twin Falls11
    11 days with some rainfall
  • 19°F minimum night-time temperature in January in Twin Falls19
    19°F min night temperature
  • 9 hours of daylight per day in January in Twin Falls9
    9 hours of daylight per day
  • No heat & humidity in January in Twin Falls0
    No heat & humidity
  • 1.2 inches monthly rainfall in January in Twin Falls1.2
    1.2 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in January in Twin Falls2
    2 (Low) UV index

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The January weather guide for Idaho (Twin 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 Twin Falls in January?

Daytime temperatures usually reach 36°F in Twin Falls in January, falling to 19°F at night.

How sunny is it in Twin Falls in January?

There are normally 4 hours of bright sunshine each day in Twin Falls in January - that's 44% of daylight hours.

Does it rain in Twin Falls in January?

There are usually 11 days with some rain in Twin Falls in January and the average monthly rainfall is 1.2 inches. Rain may fall as snow in this month.

Twin Falls January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 08:08 17:16
Friday, 16th January 2026 08:04 17:31
Saturday, 31st January 2026 07:53 17:50

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