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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 - 13th October 2026

Sunrise 07:04

Sunrise

Sunset 18:11

Sunset
10:00
Clear
19°C (65°F)
11:00
Clear
20°C (67°F)
12:00
Clear
21°C (69°F)
13:00
Clear
22°C (70°F)
14:00
Clear
22°C (71°F)
15:00
Clear
22°C (71°F)
16:00
Clear
22°C (71°F)
17:00
Clear
21°C (69°F)
18:00
Clear
18°C (63°F)
19:00
Clear
15°C (58°F)
20:00
Partly cloudy
13°C (55°F)
21:00
Patchy rain possible
13°C (55°F)
22:00
Patchy rain possible
13°C (55°F)
23:00
Patchy rain possible
13°C (54°F)

Tomorrow - 14th October 2026

Sunrise 07:04

Sunrise

Sunset 18:11

Sunset
0:00
Overcast
12°C (53°F)
1:00
Overcast
13°C (55°F)
2:00
Overcast
13°C (55°F)
3:00
Cloudy
13°C (55°F)
4:00
Overcast
13°C (54°F)
5:00
Overcast
12°C (52°F)
6:00
Overcast
11°C (52°F)
7:00
Overcast
11°C (51°F)
8:00
Overcast
13°C (54°F)
9:00
Cloudy
14°C (56°F)
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