Chicago, Illinois Weather in May
United States · May climate averages and travel tips
Avg high16°C (60°F)
Avg low9°C (49°F)
Rainfall105 mm (4.1 in)
RatingGood 6.5/10
Expect mild days in Chicago in May: the average high is 16°C (60°F) and the average low is 9°C (49°F). May is spring in United States. The month is moderately rainy, with about 105 mm (4.1 in) of rain spread over 12 days, making it the wettest month of the year. You get roughly 14.4 hours of daylight and frequently cloudy skies.
Is May a good time to visit Chicago?
May is a good time to visit Chicago (6.5/10), though September is even better.
May weather at a glance
| Average high | 16°C (60°F) |
|---|---|
| Average low | 9°C (49°F) |
| Daily mean | 12°C (54°F) |
| Rainfall | 105 mm (4.1 in) |
| Rainy days (1 mm+) | 12 |
| Humidity | 82% |
| Cloud cover | 63% |
| Daylight | 14.4 hours |
| Est. sunshine | 5.9 hours/day |
| Wind | 12.8 km/h |
| vs April | 5°C warmer than April, with 12 mm more rain. |
What to pack for Chicago in May
- a warm jacket and layers
- an umbrella or rain jacket
Chicago weather in other months
Jan0°C / -5°C53 mmPoorFeb0°C / -5°C56 mmPoorMar5°C / 0°C66 mmFairApr10°C / 4°C93 mmFairMay16°C / 9°C105 mmGoodJun22°C / 16°C105 mmGoodJul25°C / 20°C101 mmGoodAug25°C / 20°C98 mmGoodSep22°C / 17°C86 mmExcellentOct16°C / 10°C99 mmGoodNov9°C / 4°C53 mmFairDec3°C / -2°C62 mmPoor
← AprilBest time to visit ChicagoJune →
Better weather in May nearby
- Los Angeles, California25°C · 8 mm · Excellent
- Cabo San Lucas28°C · 1 mm · Excellent
- San Diego, California24°C · 8 mm · Excellent
- San Francisco, California19°C · 18 mm · Excellent
- Tijuana24°C · 8 mm · Excellent
- Denver, Colorado23°C · 65 mm · Excellent
Nearby in May
- Nashville, Tennessee25°C · 126 mm
- Toronto15°C · 57 mm
- Washington, D.C., District of Columbia23°C · 103 mm
- Ottawa19°C · 78 mm
- Philadelphia, Pennsylvania22°C · 93 mm
- New York17°C · 101 mm
Where else is good in May? See where to go in May.