Juneau weather in January 2025

Expect 27°F daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Juneau in January. Check more long-term weather averages for Juneau in January before you book your next holiday to Alaska in 2025/2026.

  • 27°F maximum daytime temperature in January in Juneau27
    27°F max day temperature
  • 3 hours of sunshine per day
  • 17 days with some rainfall in January in Juneau17
    17 days with some rainfall
  • 16°F minimum night-time temperature in January in Juneau16
    16°F min night temperature
  • 7 hours of daylight per day in January in Juneau7
    7 hours of daylight per day
  • No heat & humidity in January in Juneau0
    No heat & humidity
  • 5.8 inches monthly rainfall in January in Juneau5.8
    5.8 inches of monthly rainfall
  • No UV (maximum) index in January in Juneau0
    No UV (Maximum) Index UV index
  • 39°F sea temperature in January in Juneau39
    39°F sea temperature

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The January weather guide for Alaska (Juneau) 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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More about the USA

How cold is it in Juneau in January?

Daytime temperatures usually reach 27°F in Juneau in January, falling to 16°F at night.

How sunny is it in Juneau in January?

There are normally 3 hours of bright sunshine each day in Juneau in January - that's 36% of daylight hours.

How warm is the sea around Juneau in January?

The average sea temperature around Juneau in January is 39°F.

Does it rain in Juneau in January?

There are usually 17 days with some rain in Juneau in January and the average monthly rainfall is 5.8 inches. Rain may fall as snow in this month.

Juneau January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 08:45 15:18
Thursday, 16th January 2025 08:31 15:45
Friday, 31st January 2025 08:04 16:20

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