Weather · Chicago, United States
Chicago Weather in May
May in Chicago averages 19°C by day and 10°C at night, with about 95mm of rain. That makes it a reasonable time to visit.
Avg high
19°C
66°F
Avg low
10°C
50°F
Rainfall
95mm
#6 wettest of 12
What to pack
Layers, plus a jacket for mornings and nights. Bring a compact umbrella for the odd shower.
Timing a trip around the weather? A Local Friend in Chicago builds it around the season for you.