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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

Today - 21st August 2025

Sunrise 06:02

Sunrise

Sunset 19:47

Sunset
10:00
Cloudy
20°C (68°F)
11:00
Partly cloudy
22°C (71°F)
12:00
Clear
23°C (73°F)
13:00
Clear
24°C (75°F)
14:00
Clear
25°C (76°F)
15:00
Clear
26°C (77°F)
16:00
Partly cloudy
26°C (77°F)
17:00
Partly cloudy
25°C (77°F)
18:00
Partly cloudy
25°C (77°F)
19:00
Partly cloudy
24°C (75°F)
20:00
Partly cloudy
23°C (73°F)
21:00
Partly cloudy
22°C (71°F)
22:00
Clear
20°C (68°F)
23:00
Clear
19°C (66°F)

Tomorrow - 22nd August 2025

Sunrise 06:02

Sunrise

Sunset 19:47

Sunset
0:00
Cloudy
19°C (65°F)
1:00
Fog
18°C (63°F)
2:00
Fog
17°C (62°F)
3:00
Fog
17°C (61°F)
4:00
Fog
17°C (61°F)
5:00
Fog
17°C (62°F)
6:00
Fog
18°C (63°F)
7:00
Cloudy
19°C (66°F)
8:00
Cloudy
21°C (68°F)
9:00
Cloudy
22°C (71°F)
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