In general the best time to visit Milwaukee is probably August, when the weather is usually great. The hottest months are June, July, August, while the coldest months are January, February, December.
Depending on the activities you want to experience, you may choose different months to visit:
The best time for a sunbathing holiday is June, July, August. Average maximum temperatures are up to +26°C in August and it has 5 sunny days on average.
In general, it’s pleasant to walk and do outdoor activities during June - September.
If you want to avoid wet weather, then your choice is January, September, December with the lowest chance of rain.
Average weather in Milwaukee in different months
This is the average weather in Milwaukee for each month based on historic data:
May, June, July, August, September usually has good weather. Average maximum temperature reaches +26°C during July.
In January, February, March, April, October, November, December the weather is average. Expect around 53 rainy days, and the precipitation amounts to approximately 100 mm in April.
Climate in Milwaukee
Here is the detailed breakdown of the climate in Milwaukee for each month:
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Maximum Temperature
+16°C
+23°C
+28°C
+29°C
+35°C
+35°C
+38°C
+37°C
+35°C
+29°C
+24°C
+19°C
Average Maximum Temperature
-1°C
0°C
+5°C
+11°C
+17°C
+23°C
+26°C
+26°C
+22°C
+15°C
+8°C
+2°C
Minimum Temperature
-30°C
-30°C
-21°C
-10°C
-1°C
+6°C
+10°C
+9°C
+2°C
-4°C
-14°C
-24°C
Avg. water temperature
-
-
-
-
-
-
-
-
-
-
-
-
Humidity, %
73
72
70
68
69
69
70
72
72
70
70
74
Rain, mm
20
19
46
100
102
107
105
112
90
79
65
37
Snow, mm
32
29
23
10
0
0
0
0
0
0
6
22
Average wind speed, m/s
4
4
4
4
3
3
3
3
3
4
4
4
Sunny Days
3
4
4
4
5
4
5
5
7
5
3
3
Cloud Days
14
12
12
10
10
9
9
9
9
11
13
15
Rainy Days
2
2
6
13
16
15
16
16
14
14
11
5
Snowy Days
12
10
8
3
0
0
0
0
0
0
3
8
Average Temperature
Here are the average maximum and minimum temperatures in Milwaukee during the whole year:
The hottest month in Milwaukee is August with average maximum temperature going up to +26°C. The coldest month is January with the lowest temperatures of -7°C.
Humidity
The temperature feels different depending on humidity. Here is how humidity in Milwaukee looks throughout the year, in %:
The most humid month in Milwaukee is December with average humidity going up to 74%. The least humid month is April with an average humidity of 68%.
Rain
Amount of rainfall in mm. in Milwaukee during the whole year based on historical data:
The sunniest and driest month is September with approximately 7 sunny days and a total precipitation of around 90 mm. The rainiest and wettest month is August with approximately 16 rainy days and 112 mm of total precipitation.
Snow
Amount of snow in mm. in Milwaukee during the whole year based on historical data:
The snowiest month is January with approximately 12 snowy days.
FAQ
Frequently asked questions about the weather in Milwaukee:
What is the hottest month in Milwaukee?
The hottest month in Milwaukee is August with average maximum temperature of +26°C.
What is the coldest month in Milwaukee?
The coldest month in Milwaukee is January with minimum temperatures of -7°C.
Is Milwaukee worth visiting in winter?
Winter in Milwaukee could be a good time to visit, as the weather is generally ok.
When does it rain the least in Milwaukee?
if you're looking to visit Milwaukee when it rains the least, you should plan your trip for August, June, July. During this time, rainfall is rare with the driest month being February with only 19 mm of rain.
For this page, we’ve looked at the typical weather in Milwaukee, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.