World Resorts USA Milwaukee Weather

Milwaukee weather in May

Weather in Milwaukee: May

Average day temperature: 57.1°F
Average night temperature: 49.3°F
Sea water temperature: 47.1°F
Number of sunny days: 12 days
Day length: 14.1 - 15.1 hours
Number of rainy days: 2 days
Precipitation totals: 1.1 in.

Air temperature in May, °F

Show year:
2026
2025
2024

The highest day temperature during May of 2026 was 76°F. At the same time the lowest night temperature was 33°F. Daily and nightly averages during May were 60.4°F and 48.8°F.

Sea water temperature in Milwaukee in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 47.5°F. The highest and lowest sea temperatures during the month were 52.9°F and 44.1°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in May is almost equal.

Precipitation total in May, in.

Precipitation total value in Milwaukee in May is 1.1 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 9.2 mph It makes May one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 8.5.

Best time for vacation in Milwaukee

Sunniest months:
August 15 days
June 14 days
September 14 days
Warmest months:
August 75.7 °F
July 75.4 °F
September 70.4 °F
Warmest sea temp:
August 69.7 °F
July 67.2 °F
September 67.0 °F
Coldest months:
January 26.9 °F
February 29.9 °F
December 33.6 °F
Rainiest months:
April 3 days
May 2 days
March 2 days
Windiest months:
November 12.3 mph
March 11.9 mph
February 11.8 mph

Milwaukee on a weather map

Milwaukee
+77°F
SE 16 mph
Feels like: +79°F
Precip.: 3%
Places in USA:
Name
°F
+73°F
+81°F
+77°F
+86°F
+66°F
+86°F
+72°F
+84°F
+75°F
+68°F
+55°F
+68°F
+84°F
+79°F
+75°F
24 Hours Forecast
Milwaukee
Local time: 08:24
July 21, tuesday
0900
77°F
SE
16 mph
1200
84°F
SE
16 mph
1500
84°F
SE
14 mph
1800
75°F
S
16 mph
2100
68°F
S
13 mph
July 22, wednesday
0000
61°F
S
17 mph
0300
55°F
S
11 mph
0600
54°F
SE
12 mph
Units of measurement: °C / °F