Climate in Decatur, IL, United States

Index
Climate Index:	67.92

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Climate By Month in Decatur, IL

Month	Climate Score	Weather Conditions Outline
Jan	-8.07	Low avg 18℉ Chance of windy day 56% Chance of snow day 29%
Feb	10.33	Low avg 21℉ Chance of windy day 56% Chance of snow day 29%
Mar	49.41	Low avg 30℉ Chance of windy day 54%
Apr	84.93	Chance of windy day 59%
May	99.37	Chance of rainy day 48%
Jun	98.37	Chance of humid day 83%
Jul	97.28	Chance of humid day 93%
Aug	97.28	Chance of humid day 88%
Sep	100.00
Oct	95.64
Nov	63.05	Chance of windy day 53%
Dec	27.50	Low avg 25℉ Chance of cloudy day 50%

Best Months To Visit Decatur, IL

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

Temperatures (table)

Month	Temp Low Avg	Temp High Avg
Jan	18℉	36℉
Feb	21℉	39℉
Mar	30℉	50℉
Apr	41℉	64℉
May	55℉	77℉
Jun	64℉	84℉
Jul	64℉	84℉
Aug	64℉	84℉
Sep	57℉	82℉
Oct	46℉	68℉
Nov	34℉	52℉
Dec	25℉	39℉