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Green Bay weather in August 2025
Expect 25°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Green Bay in August. Check more long-term weather averages for Green Bay in August before you book your next holiday to Wisconsin in 2025/2026.
- 2525°C max day temperature
- 9 hours of sunshine per day
- 1010 days with some rainfall
- 1414°C min night temperature
- 1414 hours of daylight per day
- LLow heat & humidity
- 8989 mm of monthly rainfall
- 77 (High) UV index
- 2020°C sea temperature
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The August 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 August?
Daytime temperatures usually reach 25°C in Green Bay in August with low heat and humidity, falling to 14°C at night.
How sunny is it in Green Bay in August?
There are normally 9 hours of bright sunshine each day in Green Bay in August - that's 64% of daylight hours.
How warm is the sea around Green Bay in August?
The average sea temperature around Green Bay in August is 20°C.
Does it rain in Green Bay in August?
There are usually 10 days with some rain in Green Bay in August and the average monthly rainfall is 89mm.
Green Bay August sunrise & sunset times
Browse the sunrise and sunset times for Green Bay in August 2025. Select a month to view Green Bay sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Friday, 1st August 2025 | 04:39 | 19:17 |
Saturday, 16th August 2025 | 04:57 | 18:55 |
Sunday, 31st August 2025 | 05:14 | 18:30 |
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