Weather in Green Bay: July
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Average day temperature: | 78.0°F |
| Average night temperature: | 64.0°F | |
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Sea water temperature: | 74.9°F |
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Number of sunny days: | 12 days |
| Day length: | 14.7 - 15.5 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 1.2 in. | |
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forecast
| Green Bay |
temperature
| Green Bay |
Air temperature in July, °F
The highest day temperature during July of 2025 was 93°F. At the same time the lowest night temperature was 51°F. Daily and nightly averages during July were 82.2°F and 63.6°F.
Sea water temperature in Green Bay in July, °F
The average sea water temperature in July of 2025 was 75.8°F. The highest and lowest sea temperatures during the month were 81.1°F and 73.0°F.
Mostly all days in July are partly cloudy but sunny or cloudy days are also possible.
Precipitation total in July, in.
Precipitation total value in Green Bay in July is 1.2 in. Other months of the year show relatively similar values.
The average wind speed value in July is 7.5 mph It makes July lest windy month of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in July is: 9.1.
Best time for vacation in Green Bay
Green Bay on a weather map
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