Chicago weather in March
March in Chicago: cold, rainy, with clean air — a good time to visit.
#9 of 12 months in Chicago · #500 of 604 destinations to visit in March · comfort 62/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Chicago climate normals — March
| Daytime high | 8°C / 46°F | 🧥 cold |
|---|---|---|
| Nighttime low | 0°C / 32°F | |
| Feels like (high) | 4°C / 39°F | |
| Rainfall | 94 mm / 3.7 in | 🌧 rainy |
| Rainy days | 12 days | |
| Humidity | 71% | 💧 humid |
| Dew point | -2°C / 28°F | |
| Sunshine | 7.5 h/day | |
| Daylight | 12 h | |
| Wind | 24 km/h / 15 mph | |
| Snowfall | 7.6 cm / 3 in | |
| Air quality (US AQI) | 47 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Chicago in March — FAQ
- Is March a good time to visit Chicago?
- March in Chicago: cold, rainy, with clean air — a good time to visit. It ranks #9 of 12 months for Chicago on SeasonMap's comfort score (62/100).
- What is the weather like in Chicago in March?
- In March, Chicago averages a daily high of 7.8°C and a low of 0.2°C, with about 94 mm of rain over roughly 12.2 rainy days.
- What is the air quality in Chicago in March?
- Chicago has a mean US Air Quality Index of about 47 in March.
- Does it snow in Chicago in March?
- Chicago sees roughly 7.6 cm of snowfall in March.