Climate in Belleville, IL, United States

Index
Climate Index:	74.03

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Climate By Month in Belleville, IL

Month	Climate Score	Weather Conditions Outline
Jan	10.33	Low avg 21℉
Feb	19.08	Low avg 23℉ Chance of snow day 26%
Mar	70.48	Chance of rainy day 44%
Apr	94.58	Chance of rainy day 45%
May	100.0	Chance of rainy day 51%
Jun	95.84	Chance of humid day 92% Chance of rainy day 47%
Jul	91.05	Chance of humid day 99% Chance of rainy day 46%
Aug	95.01	Chance of humid day 96%
Sep	100.0	Chance of rainy day 41%
Oct	95.64
Nov	64.31
Dec	51.98	Low avg 30℉ Chance of cloudy day 48%

Best Months To Visit Belleville, IL

Best months to visit: March, April, May, June, July, August, September, October.

Temperatures (table)

Month	Temp Low Avg	Temp High Avg
Jan	21℉	39℉
Feb	23℉	43℉
Mar	36℉	57℉
Apr	46℉	68℉
May	55℉	77℉
Jun	66℉	86℉
Jul	68℉	88℉
Aug	66℉	88℉
Sep	57℉	79℉
Oct	46℉	68℉
Nov	34℉	54℉
Dec	30℉	46℉