When to go
The Best Time to Visit Chicago
Month-by-month climate data for Chicago, United States — daily highs and lows, rain days, and an honest verdict for every month of the year.
Warmest in Chicago: Jul (27°C / 81°F) · Coolest: Jan (1°C / 34°F) · Wettest: Apr (~15 rain days)
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)
Chicago climate, month by month
January
1° / -6°C
~11 rain days
Tough
February
3° / -6°C
~9 rain days
Tough
March
9° / 0°C
~12 rain days
Fair
April
14° / 4°C
~15 rain days
Good
May
19° / 10°C
~11 rain days
Excellent
June
26° / 17°C
~10 rain days
Excellent
July
27° / 19°C
~12 rain days
Excellent
August
27° / 19°C
~11 rain days
Excellent
September
24° / 16°C
~8 rain days
Excellent
October
17° / 9°C
~12 rain days
Good
November
10° / 3°C
~7 rain days
Good
December
4° / -2°C
~9 rain days
Tough
Plan around it
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