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Best time to visit · Wisconsin, United States
September is the best time to visit Milwaukee on the climate data: September scores 84/100, with highs around 74°F (23°C) and 3.5 in (90 mm) of rain. May, July & August and October are good shoulder-season months. The toughest months are December – February, mainly because of cool days.
These averages also cover Bradford Beach & the Lakefront and Deer District & Downtown Milwaukee.
Highs run from 28°F to 83°F across the year, and the yearly total is about 37.3 in (948 mm) of rain and snow.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 28°F-2°C | 31°F-1°C | 43°F6°C | 55°F13°C | 66°F19°C | 77°F25°C | 83°F28°C | 81°F27°C | 74°F23°C | 60°F15°C | 46°F8°C | 33°F1°C |
| Avg low | 13°F-10°C | 15°F-10°C | 26°F-3°C | 35°F2°C | 46°F8°C | 57°F14°C | 64°F18°C | 62°F17°C | 55°F13°C | 42°F5°C | 31°F-1°C | 20°F-7°C |
| Rain/snow | 1.6 in40 mm | 1.7 in43 mm | 2.3 in59 mm | 3.8 in96 mm | 4.3 in109 mm | 4.9 in125 mm | 3.7 in95 mm | 3.9 in100 mm | 3.5 in90 mm | 3.2 in82 mm | 2.2 in55 mm | 2.1 in54 mm |
| Humidity | 89% | 87% | 81% | 78% | 78% | 77% | 74% | 74% | 76% | 78% | 82% | 88% |
| Cloud | 76% | 72% | 70% | 77% | 80% | 75% | 68% | 64% | 60% | 67% | 71% | 77% |
| Comfort | 45 | 46 | 48 | 62 | 75 | 70 | 73 | 77 | 84 | 75 | 54 | 43 |
Source: NASA POWER (public domain), 2001–2025 monthly averages on a ~50 km satellite and reanalysis grid, so coasts and valleys can differ from what's shown. The grid cell sits at about 251 m (824 ft), close to Milwaukee's own ~187 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
The coldest season, with highs of 28–33°F (-2–1°C) and lows down to 13°F (-10°C). It's the driest season, with only about 5.4 in (137 mm) of rain or snow, 14% of the year's total. December – February are cold enough for snow. Comfort scores bottom out in December – February; the season averages 45/100.
Temperatures climb through the season, from 43°F highs in March to 66°F by May. About 10.4 in (264 mm) of rain or snow falls across these months, 28% of the year's total. March is cold enough for snow. May score well without being the very best (season average 62/100).
Peak warmth: highs of 77–83°F (25–28°C). It's the wettest season, with about 12.6 in (320 mm) of rain, 34% of the year's total. Lows bottom out around 57°F (14°C). July & August score well without being the very best (season average 73/100).
Temperatures slide from 74°F highs in September to 46°F by November. About 8.9 in (227 mm) of rain falls across these months, 24% of the year's total. Nights dip below freezing in November. Comfort peaks here: September ranks with the year's best, and the season averages 71/100.
By comfort score: 4 Great, 3 Good, 4 Fair and 1 Tough. Great months: May and August – October. Tap a month for its own guide.
September is the best time to visit Milwaukee on the climate data: September scores 84/100, with highs around 74°F (23°C) and 3.5 in (90 mm) of rain. May, July & August and October are good shoulder-season months. The toughest months are December – February, mainly because of cool days.
June is the wettest month, averaging about 4.9 in (125 mm) of rain. January is the driest, with about 1.6 in (40 mm). The yearly total is around 37.3 in (948 mm).
January is the coldest, with average lows of 13°F (-10°C) and highs of 28°F (-2°C). The warmest is July, with average highs of 83°F (28°C).
Not very: summer (June – August) humidity averages 75%, and highs peak around 83°F (28°C), so heat matters more than mugginess.
On average, yes: lows fall below 32°F (0°C) in November – March, bottoming out around 13°F (-10°C) in January.
Poll the group on September dates, then plan the days, packing and costs together.
