Milwaukee Climate by Month
Milwaukee, Wisconsin, United States
Warm summers and freezing winters, with rain spread through the year.
Milwaukee has warm summers and freezing winters, with rain spread through the year. Afternoon highs range from 31°F (-1°C) in January to 82°F (28°C) in July, and January nights average 15°F (-9°C). About 33 in (849 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 82°F(28°C)
- Average high, July
- Coldest nights
- 15°F(-9°C)
- Average low, January
- Rain per year
- 33 in(849 mm)
- No clear rainy season
- Humidity
- 72%
- Sunniest: July
Best and worst months in Milwaukee
Best for weatherThe most comfortable weather comes in June and September, with highs around 75°F (24°C) and about 3.6 in (92 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 31°F (-1°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in September.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Milwaukee weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 31°F(-1°C) | 15°F(-9°C) | 1.6 in(41 mm) | 72% | 1.4 |
| FebFebruary | 35°F(2°C) | 19°F(-7°C) | 1.6 in(40 mm) | 81% | 2.4 |
| MarMarch | 44°F(7°C) | 28°F(-2°C) | 1.9 in(49 mm) | 70% | 3.5 |
| AprApril | 56°F(13°C) | 37°F(3°C) | 3.8 in(97 mm) | 65% | 4.5 |
| MayMay | 67°F(20°C) | 47°F(8°C) | 3.5 in(89 mm) | 69% | 5.2 |
| JunJuneBest | 77°F(25°C) | 56°F(14°C) | 3.9 in(100 mm) | 72% | 5.8 |
| JulJuly | 82°F(28°C) | 62°F(17°C) | 3.2 in(82 mm) | 71% | 6.0 |
| AugAugust | 80°F(27°C) | 61°F(16°C) | 3.8 in(97 mm) | 74% | 5.1 |
| SepSeptemberBest | 73°F(23°C) | 54°F(12°C) | 3.3 in(84 mm) | 70% | 4.2 |
| OctOctober | 61°F(16°C) | 42°F(6°C) | 2.7 in(68 mm) | 69% | 2.6 |
| NovNovember | 46°F(8°C) | 31°F(0°C) | 2.0 in(52 mm) | 75% | 1.6 |
| DecDecember | 35°F(2°C) | 21°F(-6°C) | 2.0 in(50 mm) | 78% | 1.3 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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