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Green Bay weather in January 2025
Expect -5°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Green Bay in January. Check more long-term weather averages for Green Bay in January before you book your next holiday to Wisconsin in 2025/2026.
- -5-5°C max day temperature
- 5 hours of sunshine per day
- 1111 days with some rainfall
- -15-15°C min night temperature
- 99 hours of daylight per day
- 0No heat & humidity
- 3030 mm of monthly rainfall
- 11 (Low) UV index
- 44°C sea temperature
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Green Bay by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Wisconsin
The January weather guide for Wisconsin (Green Bay) 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)
More about the USA
How cold is it in Green Bay in January?
Daytime temperatures usually reach -5°C in Green Bay in January, falling to -15°C at night.
How sunny is it in Green Bay in January?
There are normally 5 hours of bright sunshine each day in Green Bay in January - that's 51% of daylight hours.
Is the sea cold around Green Bay in January?
The average sea temperature around Green Bay in January is 4°C.
Does it rain in Green Bay in January?
There are usually 11 days with some rain in Green Bay in January and the average monthly rainfall is 30mm. Rain may fall as snow in this month.
Green Bay January sunrise & sunset times
Browse the sunrise and sunset times for Green Bay in January 2025. Select a month to view Green Bay sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Wednesday, 1st January 2025 | 07:29 | 16:23 |
Thursday, 16th January 2025 | 07:24 | 16:40 |
Friday, 31st January 2025 | 07:11 | 17:00 |
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