Milwaukee weather in January
January in Milwaukee: freezing, a little rain, with clean air — one of the weakest months to visit.
#12 of 12 months in Milwaukee · #536 of 604 destinations to visit in January · comfort 39/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Milwaukee climate normals — January
| Daytime high | 0°C / 31°F | 🥶 freezing |
|---|---|---|
| Nighttime low | -5°C / 22°F | |
| Feels like (high) | -5°C / 23°F | |
| Rainfall | 55 mm / 2.1 in | 🌦 some rain |
| Rainy days | 8 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | -7°C / 19°F | |
| Sunshine | 4.9 h/day | |
| Daylight | 9.4 h | |
| Wind | 23 km/h / 14 mph | |
| Snowfall | 33.2 cm / 13.1 in | |
| Air quality (US AQI) | 34 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Milwaukee?
Loading map…
Milwaukee in January — FAQ
- Is January a good time to visit Milwaukee?
- January in Milwaukee: freezing, a little rain, with clean air — one of the weakest months to visit. It ranks #12 of 12 months for Milwaukee on SeasonMap's comfort score (39/100).
- What is the weather like in Milwaukee in January?
- In January, Milwaukee averages a daily high of -0.5°C and a low of -5.5°C, with about 54.6 mm of rain over roughly 8 rainy days.
- What is the air quality in Milwaukee in January?
- Milwaukee has a mean US Air Quality Index of about 34 in January.
- Does it snow in Milwaukee in January?
- Milwaukee sees roughly 33.2 cm of snowfall in January.