USA
Chicago in May: weather & travel advice
This month's data profile
Rain shapes the decision
Chicago in May is climatically mixed. The average daily high is around 15 °C. With about 13 rainy days it is wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
52/100 · #6
Warmth
#6
Dryness
#12
Sun
#3
Published best categories: none
Chicago · MayPhoto: G B_NZ · CC BY-SA 2.0Climate facts
- Average high
- 15 °C
- Average low
- 9 °C
- Rainy days (est.)
- 13 rainy days (est.)
- Sun (est.)
- 7 h/day
- Humidity
- 82 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Score |
|---|---|---|---|---|---|---|---|---|
| April | 10 | 4 | 12 | 95 | 5.6 | 81 | 4.3 | 41 |
| May (selected) | 15 | 9 | 13 | 106 | 6.6 | 82 | 3.5 | 52 |
| June | 21 | 15 | 13 | 105 | 7.4 | 81 | 3.1 | 70 |
How do the previous and next months compare?
Baseline: May (52/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | |
|---|---|---|---|---|---|---|---|---|
| April | -11 | -5.1 °C | -4.9 °C | -0.8 | -11 mm | -1 h | -1.3 % | +0.8 m/s |
| June | +18 | +5.9 °C | +6.3 °C | -0.1 | -1 mm | +0.8 h | -1.1 % | -0.5 m/s |
All twelve months in context
Find a place to stay
Where to stay in Chicago
Compare available stays, prices and cancellation terms for Chicago on Booking.com.
Booking.comFind places to stayAffiliate link: there is no extra cost to you.
Useful next decisions
Frequently asked questions
How warm is Chicago in May?
The average daily high is around 15 °C, with an average daily low of about 9 °C.
Does it rain a lot in Chicago in May?
The curated estimate is about 13 rainy days per month, not a directly measured long-term average. Total precipitation averages around 106 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Chicago?
By the climate score, June, July, August and September are the strongest months for Chicago. May is not among them.