Weather in Green Bay: April
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Average day temperature: | 49.6°F |
| Average night temperature: | 38.4°F | |
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Sea water temperature: | 41.4°F |
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Number of sunny days: | 5 days |
| Day length: | 12.8 - 14.2 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 1.4 in. | |
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forecast
| Green Bay |
temperature
| Green Bay |
Air temperature in April, °F
The highest day temperature during April of 2026 was 80°F. At the same time the lowest night temperature was 23°F. Daily and nightly averages during April were 51.2°F and 41.0°F.
Sea water temperature in Green Bay in April, °F
The average sea water temperature in April of 2026 was 39.6°F. The highest and lowest sea temperatures during the month were 44.6°F and 36.1°F.
Mostly all days in April are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in April, in.
Precipitation total value in Green Bay in April is 1.4 in. Other months of the year show relatively similar values.
The average wind speed value in April is 11.0 mph It makes April most 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 April is: 5.4.
Best time for vacation in Green Bay
Green Bay on a weather map
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