Illinois weather in June 2025

The temperatures in Illinois in June are comfortable with low of 62°F and and high up to 75°F.

You can expect about 3 to 8 days of rain in Illinois during the month of June. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Our weather forecast can give you a great sense of what weather to expect in Illinois in June 2025.

If you’re planning to visit Illinois in the near future, we highly recommend that you review the 14 day weather forecast for Illinois before you arrive.

Temperatures

75° / 62°

Rainy Days

Snowy Days

Dry Days

Rainfall

5.04

Sun Hours

10.6

Hrs

Sun	Mon	Tue	Wed	Thu	Fri	Sat
1 68° /57°	2 68° /57°	3 69° /59°	4 73° /60°	5 75° /60°	6 68° /59°	7 69° /57°
8 69° /59°	9 71° /59°	10 66° /57°	11 69° /57°	12 71° /59°	13 68° /59°	14 71° /59°
15 73° /62°	16 73° /60°	17 75° /62°	18 77° /62°	19 75° /64°	20 77° /62°	21 75° /60°
22 77° /66°	23 75° /64°	24 77° /64°	25 78° /66°	26 77° /66°	27 73° /64°	28 77° /64°
29 78° /68°	30 77° /66°

Explore the weather in Illinois in other months

Illinois annual weather

Month	Temperatures	Rainy Days	Dry Days	Snowy Days	Rainfall	Weather	More details
January	28° / 19°	5	11	15	1.54 in	Awful	Illinois in January
February	32° / 21°	4	11	14	1.61 in	Awful	Illinois in February
March	44° / 33°	6	19	6	2.17 in	Bad	Illinois in March
April	53° / 41°	7	21	3	3.11 in	Awful	Illinois in April
May	66° / 53°	7	24	0	3.86 in	Ok	Illinois in May
June	75° / 62°	7	23	0	5.04 in	Good	Illinois in June
July	80° / 68°	7	24	0	4.49 in	Good	Illinois in July
August	80° / 66°	5	26	0	3.94 in	Perfect	Illinois in August
September	75° / 60°	4	26	0	2.52 in	Perfect	Illinois in September
October	60° / 50°	5	25	0	2.56 in	Good	Illinois in October
November	48° / 37°	4	22	4	1.57 in	Bad	Illinois in November
December	37° / 28°	5	16	10	1.5 in	Awful	Illinois in December