Weather in Chicago 🇺🇸

Monthly weather averages & travel planning

Avg Temp

27°C

Rain Days

11 days

Sun Hours

12 hrs

Humidity

65%

Chicago Weather Guide

Complete monthly climate data for Chicago, 🇺🇸 United States

January

-1°/-7°C

9 rain days, 6h sun

February

1°/-6°C

7 rain days, 7h sun

March

5°/-2°C

10 rain days, 8h sun

April

11°/4°C

12 rain days, 9h sun

May

18°/11°C

13 rain days, 11h sun

June

24°/18°C

12 rain days, 12h sun

July

27°/21°C

11 rain days, 12h sun

August

26°/20°C

11 rain days, 12h sun

September

22°/16°C

9 rain days, 10h sun

October

16°/10°C

9 rain days, 8h sun

November

8°/3°C

9 rain days, 6h sun

December

2°/-3°C

9 rain days, 5h sun

Year-Round Climate

All temperatures in °C

Month	High	Low	Rain Days	Sun	Details
January	-1°C	-7°C	9	6h	View
February	1°C	-6°C	7	7h	View
March	5°C	-2°C	10	8h	View
April	11°C	4°C	12	9h	View
May	18°C	11°C	13	11h	View
June	24°C	18°C	12	12h	View
July	27°C	21°C	11	12h	View
August	26°C	20°C	11	12h	View
September	22°C	16°C	9	10h	View
October	16°C	10°C	9	8h	View
November	8°C	3°C	9	6h	View
December	2°C	-3°C	9	5h	View