Great Falls weather in January 2025

Expect -2°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Great Falls in January. Check more long-term weather averages for Great Falls in January before you book your next holiday to Montana in 2025/2026.

  • -2°C maximum daytime temperature in January in Great Falls-2
    -2°C max day temperature
  • 4 hours of sunshine per day
  • 9 days with some rainfall in January in Great Falls9
    9 days with some rainfall
  • -12°C minimum night-time temperature in January in Great Falls-12
    -12°C min night temperature
  • 9 hours of daylight per day in January in Great Falls9
    9 hours of daylight per day
  • No heat & humidity in January in Great Falls0
    No heat & humidity
  • 20 mm monthly rainfall in January in Great Falls20
    20 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Great Falls1
    1 (Low) UV index

More about Great Falls

Great Falls by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Montana

Skyscanner: Lowest flight prices by destination

  • Explore lowest airfares by destinations worldwide
  • Find the cheapest month or filter by route or month
  • Prices shown found on Skyscanner in last 8 days
Go to Skyscanner deal >>

View all Skyscanner offers

The January weather guide for Montana (Great 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 / mm)  |  Imperial (°F / inches)

Back to top

More about the USA

How cold is it in Great Falls in January?

Daytime temperatures usually reach -2°C in Great Falls in January, falling to -12°C at night.

How sunny is it in Great Falls in January?

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

Does it rain in Great Falls in January?

There are usually 9 days with some rain in Great Falls in January and the average monthly rainfall is 20mm. Rain may fall as snow in this month.

Great Falls January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 08:13 16:45
Thursday, 16th January 2025 08:07 17:03
Friday, 31st January 2025 07:52 17:26

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^