Grand Junction weather in January 2025

Expect 2°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Grand Junction in January. Check more long-term weather averages for Grand Junction in January before you book your next holiday to Colorado in 2025/2026.

  • 2°C maximum daytime temperature in January in Grand Junction2
    2°C max day temperature
  • 6 hours of sunshine per day
  • 6 days with some rainfall in January in Grand Junction6
    6 days with some rainfall
  • -10°C minimum night-time temperature in January in Grand Junction-10
    -10°C min night temperature
  • 10 hours of daylight per day in January in Grand Junction10
    10 hours of daylight per day
  • No heat & humidity in January in Grand Junction0
    No heat & humidity
  • 15 mm monthly rainfall in January in Grand Junction15
    15 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in January in Grand Junction2
    2 (Low) UV index

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The January weather guide for Colorado (Grand Junction) 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 Grand Junction in January?

Daytime temperatures usually reach 2°C in Grand Junction in January, falling to -10°C at night.

How sunny is it in Grand Junction in January?

There are normally 6 hours of bright sunshine each day in Grand Junction in January - that's 64% of daylight hours.

Does it rain in Grand Junction in January?

There are usually 6 days with some rain in Grand Junction in January and the average monthly rainfall is 15mm. Rain may fall as snow in this month.

Grand Junction January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 07:33 17:03
Thursday, 16th January 2025 07:31 17:17
Friday, 31st January 2025 07:21 17:35

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