Green Bay Weather Year-Round — Best Time to Visit
Green Bay, United States has cool weather year-round. The best time to visit is July (score: 84/100). Annual average high: 12.4°C, total rainfall: 772mm.
When is the best time to visit Green Bay?
84
July is the best month to visit Green Bay with a travel score of 84/100 (Excellent).
Expect highs of 27°C, 10 rain days, and 12.4 hours of daily sunshine.
View July weather details →Travel Score by Month
41
Jan
46
Feb
54
Mar
62
Apr
74
May
83
Jun
84
Jul
84
Aug
81
Sep
65
Oct
54
Nov
42
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Green Bay each month?
12.4°C
Avg High
3.9°C
Avg Low
772mm
Annual Rain
How much rain does Green Bay get?
Green Bay receives 772mm of rain annually. The wettest month is typically June with 89mm, while February is the driest.
What is the weather like each month in Green Bay?
January
41
-4°C
Low: -12°C
7 rain days
Mixed
February
46
-2°C
Low: -11°C
6 rain days
Mixed
March
54
5°C
Low: -5°C
8 rain days
Mixed
April
62
12°C
Low: 2°C
11 rain days
Good
May
74
19°C
Low: 9°C
11 rain days
Good
June
83
25°C
Low: 15°C
10 rain days
Excellent
July
Best time to visit84
27°C
Low: 18°C
10 rain days
Excellent
August
84
26°C
Low: 17°C
10 rain days
Excellent
September
81
22°C
Low: 14°C
8 rain days
Excellent
October
65
14°C
Low: 7°C
9 rain days
Good
November
54
7°C
Low: 0°C
7 rain days
Mixed
December
42
0°C
Low: -7°C
7 rain days
Mixed
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Data based on 1994–2024 averages · Last updated: 2024-12-31