Weather Averages for Ashley, IL

7-day Forecast / 10-day Forecast

Latitude: 38°22'N, Longitude: 89°19'W, Elevation: 515.0 ft, Distance: 6.02 mi Ashley, IL Averages »

	Unit	Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average temperature over 30 years	°F	55	29	33	45	55	65	74	77	75	69	57	45	34
Average high temperature over 30 years	°F	65	37	42	55	66	76	85	88	86	80	68	55	42
Average low temperature over 30 years	°F	45	20	24	35	45	54	63	66	64	57	46	36	25
Highest recorded temperature over 101 years	°F	109	73	75	84	89	93	102	109	105	104	93	82	73
Lowest recorded temperature over 101 years	°F	-20	-18	-20	1	21	28	42	46	42	24	21	6	-20
Average number of days above 90°F over 30 years	days	16	-	-	-	-	0.3	3.3	5.7	4.7	1.7	0.1	-	-
Average precipitation over 30 years	in	39.1	1.9	2.5	3.9	3.7	4.0	3.4	3.7	3.0	3.1	3.0	3.5	3.4
Average number of days below 32°F over 30 years	days	45	11	9.7	6	1.4	0.1	-	-	-	-	1	5.3	10
Average number of days below 0°F over 30 years	days	1.7	0.8	0.4	-	-	-	-	-	-	-	-	-	0.4
Average snowfall over 30 years	in	17.7	5.5	4.8	2.4	0.6	-	-	-	-	-	-	0.8	3.6
Most rain reported in a day over 101 years	in	7.8	4.0	3.5	4.0	4.3	4.7	4.4	3.4	7.8	3.8	5.0	3.4	3.8
Most rain reported in a month over 101 years	in	57.6	10.3	6.3	13.1	10.2	16.8	11.2	11.6	21.2	8.3	14.0	12.1	10.2
Least rain reported in a month over 101 years	in	23.8	0.1	0.1	-	0.6	0.4	0.2	0.3	0.1	0.2	0.2	0.2	0.3
Heating degree days over 30 years	days	4777	1092	878	619	296	92	5	1	2	48	253	572	919
Cooling degree days over 30 years	days	1334	-	-	3	24	101	280	396	328	168	32	2	-
Most snow reported in a month over 101 years	in	42.1	23.0	21.0	18.5	13.4	-	-	-	-	-	2.0	9.0	17.1

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