West Allis Weather Year-Round — Best Time to Visit
West Allis, United States has cool weather year-round. The best time to visit is July (score: 84/100). Annual average high: 12.7°C, total rainfall: 869mm.
When is the best time to visit West Allis?
84
July is the best month to visit West Allis with a travel score of 84/100 (Excellent).
Expect highs of 26.5°C, 9 rain days, and 12.4 hours of daily sunshine.
View July weather details →Travel Score by Month
38
Jan
45
Feb
53
Mar
60
Apr
71
May
81
Jun
84
Jul
82
Aug
82
Sep
67
Oct
55
Nov
43
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in West Allis each month?
12.7°C
Avg High
5.4°C
Avg Low
869mm
Annual Rain
How much rain does West Allis get?
West Allis receives 869mm of rain annually. The wettest month is typically April with 97mm, while February is the driest.
What is the weather like each month in West Allis?
January
38
-2°C
Low: -9°C
8 rain days
Poor
February
45
0°C
Low: -8°C
7 rain days
Mixed
March
53
5°C
Low: -3°C
9 rain days
Mixed
April
60
11°C
Low: 3°C
11 rain days
Good
May
71
17°C
Low: 9°C
11 rain days
Good
June
81
23°C
Low: 16°C
11 rain days
Excellent
July
Best time to visit84
27°C
Low: 19°C
9 rain days
Excellent
August
82
26°C
Low: 19°C
10 rain days
Excellent
September
82
22°C
Low: 15°C
9 rain days
Excellent
October
67
15°C
Low: 8°C
9 rain days
Good
November
55
8°C
Low: 1°C
8 rain days
Mixed
December
43
1°C
Low: -5°C
8 rain days
Mixed
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Data based on 1994–2024 averages · Last updated: 2024-12-31