Colorado weather in January 2025

Expect 6°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Colorado in January. Check more long-term weather averages for Colorado in January before you book your next holiday to Colorado in 2025/2026.

  • 6°C maximum daytime temperature in January in Colorado (Denver)6
    6°C max day temperature
  • 7 hours of sunshine per day
  • 6 days with some rainfall in January in Colorado (Denver)6
    6 days with some rainfall
  • -9°C minimum night-time temperature in January in Colorado (Denver)-9
    -9°C min night temperature
  • 10 hours of daylight per day in January in Colorado (Denver)10
    10 hours of daylight per day
  • No heat & humidity in January in Colorado (Denver)0
    No heat & humidity
  • 13 mm monthly rainfall in January in Colorado (Denver)13
    13 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in January in Colorado (Denver)2
    2 (Low) UV index

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The January weather guide for Colorado (Denver) 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.

Top Colorado destinations

Below are average maximum temperatures at popular countries, regions and places in Colorado in January. Select a holiday destination to see more weather parameters.

All Colorado destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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More about the USA

How cold is it in Colorado in January?

Daytime temperatures usually reach 6°C in Denver, Colorado in January, falling to -9°C at night.

How sunny is it in Colorado in January?

There are normally 7 hours of bright sunshine each day in Denver, Colorado in January - that's 71% of daylight hours.

Does it rain in Colorado in January?

There are usually 6 days with some rain in Denver, Colorado in January and the average monthly rainfall is 13mm. Rain may fall as snow in this month.

Colorado January sunrise & sunset times

Browse the sunrise and sunset times for Colorado in January 2025. Select a month to view Colorado sunrise and sunset times for the next 12 months. The Colorado sunrise and sunset times shown below are for Denver.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 07:21 16:47
Thursday, 16th January 2025 07:19 17:01
Friday, 31st January 2025 07:08 17:19

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