Weather & Climate near Chicago O'Hare International Airport #

Climate

Chicago O'Hare International Airport's climate is classified as Hot-Summer Continental - Hot-Summer Continental climate with warm summers (peaking in July) and freezing winters (coldest in January). Temperatures range from -10°C to 30°C. Moderate rainfall (927 mm/year).

Air Quality: AQI 37 Good

Best Time to Visit

JulyJuneSeptember

Temperature & Rainfall

Temperature Range

40°

Warmest Month

-38°

Coldest Month

Monthly Conditions

Month	Comfort	Temp	Feels	Rain	Sky	Humidity	Wind	UV	Daylight
January	Poor	-10° - -1°	-12°	43 mm	overcast	87%	4.9 m/s	0.2 low	9.4h
February	Poor	-7° - 2°	-8°	39 mm	overcast	85%	4.8 m/s	0.4 low	10.5h
March	Poor	-2° - 8°	-1°	67 mm	partly cloudy	80%	4.9 m/s	0.7 moderate	11.8h
April	Acceptable	3° - 15°	6°	95 mm	partly cloudy	76%	5.0 m/s	1.1 high	13.2h
May	Good	9° - 22°	15°	90 mm	partly cloudy	76%	4.4 m/s	1.5 high	14.4h
June	Excellent	15° - 27°	21°	98 mm	partly cloudy	74%	3.7 m/s	1.8 very high	15.0h
July	Excellent	18° - 30°	24°	93 mm	some cloud	72%	3.4 m/s	1.9 very high	14.7h
August	Excellent	17° - 28°	23°	108 mm	partly cloudy	72%	3.1 m/s	1.6 very high	13.7h
September	Excellent	12° - 24°	18°	89 mm	some cloud	74%	3.4 m/s	1.2 high	12.3h
October	Good	6° - 18°	12°	68 mm	partly cloudy	76%	4.1 m/s	0.6 moderate	11.0h
November	Acceptable	-1° - 9°	0°	76 mm	partly cloudy	81%	4.6 m/s	0.3 low	9.7h
December	Poor	-7° - 2°	-8°	61 mm	overcast	87%	4.6 m/s	0.2 low	9.1h