Weather Averages for Assumption, IL

7-day Forecast / 10-day Forecast

Latitude: 39°22'N, Longitude: 89°4'W, Elevation: 700.0 ft, Distance: 9.32 mi Assumption, IL Averages »

	Unit	Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average temperature over 30 years	°F	53	26	30	42	54	63	72	75	73	67	55	43	31
Average high temperature over 30 years	°F	62	34	39	52	65	74	83	86	83	78	66	52	39
Average low temperature over 30 years	°F	43	17	21	32	43	52	61	65	63	56	45	34	23
Highest recorded temperature over 107 years	°F	114	73	75	87	91	98	105	114	107	105	95	84	73
Lowest recorded temperature over 107 years	°F	-25	-25	-23	-5	17	26	35	44	41	26	17	-2	-20
Average number of days above 90°F over 30 years	days	33	-	-	-	-	1.1	7	12	9.2	3.7	0.2	-	-
Average precipitation over 30 years	in	40.2	2.0	2.2	3.7	3.7	4.1	3.9	4.3	3.4	3.3	2.9	3.4	3.5
Average number of days below 32°F over 30 years	days	106	25	21	16	4.2	0.2	-	-	-	0.1	2.8	13	23
Average number of days below 0°F over 30 years	days	5.2	2.5	1.4	0.1	-	-	-	-	-	-	-	-	1.2
Average snowfall over 30 years	in	25.9	7.3	6.1	4.3	0.6	-	-	-	-	-	0.1	1.7	5.8
Most rain reported in a day over 107 years	in	7.9	5.3	2.3	3.0	7.0	4.2	7.9	3.4	4.6	5.9	4.3	3.3	3.0
Most rain reported in a month over 107 years	in	57.9	10.5	5.9	8.6	12.0	10.7	14.5	9.0	11.7	11.5	9.1	10.1	9.3
Least rain reported in a month over 107 years	in	13.8	-	0.1	0.4	0.8	0.6	0.4	0.4	0.2	0.1	0.1	0.1	0.3
Heating degree days over 30 years	days	5420	1207	968	704	343	121	11	2	5	67	307	639	1046
Cooling degree days over 30 years	days	1096	-	-	2	17	79	233	342	270	133	19	1	-
Most snow reported in a month over 107 years	in	46.2	26.8	16.5	23.0	8.0	2.5	-	-	-	-	2.5	12.5	27.7

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