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Green Bay, USA Weather Averages

July is the hottest month in Green Bay with an average temperature of 21°C (70°F) and the coldest is January at -7°C (19°F). The wettest month is June with an average of 100mm of rain..

Average Temperature Green Bay

What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

Average High Low Temperature Green Bay

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

Average Rainfall Green Bay

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

Green Bay : Next 24-Hour Weather

Tomorrow - 12th April 2026

Sunrise 06:13

Sunrise

Sunset 19:34

Sunset
20:00
Light rain
18°C (64°F)
21:00
Clear
18°C (64°F)
22:00
Clear
18°C (63°F)
23:00
Partly cloudy
17°C (62°F)

Tomorrow - 13th April 2026

Sunrise 06:13

Sunrise

Sunset 19:34

Sunset
0:00
Patchy rain possible
17°C (62°F)
1:00
Overcast
17°C (62°F)
2:00
Light rain
17°C (62°F)
3:00
Overcast
17°C (61°F)
4:00
Partly cloudy
16°C (60°F)
5:00
Clear
15°C (59°F)
6:00
Clear
16°C (60°F)
7:00
Cloudy
16°C (61°F)
8:00
Cloudy
17°C (62°F)
9:00
Partly cloudy
18°C (63°F)
10:00
Partly cloudy
18°C (64°F)
11:00
Cloudy
19°C (65°F)
12:00
Cloudy
20°C (66°F)
13:00
Overcast
20°C (67°F)
14:00
Overcast
19°C (66°F)
15:00
Cloudy
19°C (65°F)
16:00
Partly cloudy
17°C (62°F)
17:00
Overcast
15°C (59°F)
18:00
Thundery outbreaks possible
14°C (57°F)
19:00
Thundery outbreaks possible
14°C (56°F)