Average temperatures, rainfall and packing tips for Chicago, United States in May
🌡️ Avg high
21°C
🌙 Avg low
11°C
🌧️ Rainfall
~96 mm
📊 Warmth rank
#5 of 12
May in Chicago at a glance
May in Chicago is typically warm, with average daytime highs around 21°C and nights near 11°C. Temperature-wise it sits mid-range for Chicago (the 5th warmest month).
May is one of the wetter months in Chicago, with around 96 mm of rain - plan around showers.
What to pack for Chicago in May
T-shirts and light layers
A light jacket or sweater for the evenings
A rain jacket or umbrella - this is one of the wetter months
Chicago - year at a glance
HighLow · May highlighted
Is May a good time to visit Chicago?
🧳 May is one of the most comfortable months to visit Chicago - daytime temperatures sit in a pleasant range and it's a good pick for sightseeing and time outdoors.
In May, Chicago averages a daytime high of about 21°C and a night-time low of around 11°C, based on recent historical data.
Does it rain in Chicago in May?
May is one of the wetter months in Chicago, with around 96 mm of rain - plan around showers.
Is May a good time to visit Chicago?
May is one of the most comfortable months to visit Chicago - daytime temperatures sit in a pleasant range and it's a good pick for sightseeing and time outdoors.