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Green Bay weather in May 2025
Expect 19°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Green Bay in May. Check more long-term weather averages for Green Bay in May before you book your next holiday to Wisconsin in 2025/2026.
- 1919°C max day temperature
- 9 hours of sunshine per day
- 1010 days with some rainfall
- 77°C min night temperature
- 1515 hours of daylight per day
- 0No heat & humidity
- 7373 mm of monthly rainfall
- 77 (High) UV index
- 44°C sea temperature
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Recommended for Wisconsin
The May 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 hot is it in Green Bay in May?
Daytime temperatures usually reach 19°C in Green Bay in May, falling to 7°C at night.
How sunny is it in Green Bay in May?
There are normally 9 hours of bright sunshine each day in Green Bay in May - that's 62% of daylight hours.
Is the sea cold around Green Bay in May?
The average sea temperature around Green Bay in May is 4°C.
Does it rain in Green Bay in May?
There are usually 10 days with some rain in Green Bay in May and the average monthly rainfall is 73mm.
Green Bay May sunrise & sunset times
Browse the sunrise and sunset times for Green Bay in May 2025. Select a month to view Green Bay sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Thursday, 1st May 2025 | 04:42 | 18:57 |
Friday, 16th May 2025 | 04:23 | 19:15 |
Saturday, 31st May 2025 | 04:11 | 19:29 |
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