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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Brookfield, WI
Content continues below
May
Average Temperature
High
19°
Feels 19
Low
8°
Feels 7
Average Precipitation
10 Days
Rain amount
65.7mm
Snow amount
0.1cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
8°
2
12°
3
16°
4
22°
5
13°
6
9°
7
9°
8
13°
9
13°
10
14°
11
13°
12
14°
13
17°
14
17°
15
16°
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Forecast
Friday, May 1, 2026
Day
8°
Feels 6
Wind
15 km/h N
Gust
23 km/h
Humidity
49%
P.O.P
40%
Rain
~1 mm
Night
-1°
Feels -4
Wind
10 km/h SE
Gust
15 km/h
Humidity
93%
P.O.P
30%
Historical Averages
May 1
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.