Weather Report and Forecast for
Sullivan, IL

Sunday, May 27th 2012, 2:38pm CDT

7-day Forecast / 10-day Forecast

Latitude: 39°25'N, Longitude: 88°35'W, Elevation: 685.0 ft, Distance: 11.78 mi Sullivan, 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	53	64	72	76	73	68	56	43	31
Average high temperature over 30 years	°F	63	34	39	52	65	75	84	87	85	79	67	52	39
Average low temperature over 30 years	°F	42	17	21	32	42	52	61	65	62	55	44	34	23
Highest recorded temperature over 93 years	°F	111	73	75	89	89	96	105	111	107	105	95	80	71
Lowest recorded temperature over 93 years	°F	-25	-25	-23	-7	19	26	35	43	37	26	16	-5	-20
Average number of days above 90°F over 30 years	days	37	-	-	-	-	1.2	7.5	13	10	4.5	0.1	-	-
Average precipitation over 30 years	in	38.4	1.8	2.0	3.4	3.7	4.0	3.7	4.0	3.2	3.2	2.8	3.3	3.4
Average number of days below 32°F over 30 years	days	117	27	23	18	5.4	0.5	-	-	-	0.1	3.8	15	25
Average number of days below 0°F over 30 years	days	6.1	3	1.6	0.2	-	-	-	-	-	-	-	-	1.3
Average snowfall over 30 years	in	21.7	6.7	5.2	3.5	0.2	-	-	-	-	-	-	1.2	5.3
Most rain reported in a day over 93 years	in	5.5	3.1	2.1	4.1	3.3	4.1	5.5	4.6	3.6	4.0	4.8	4.3	4.5
Most rain reported in a month over 93 years	in	57.6	11.1	5.3	9.7	9.4	13.3	15.5	10.0	10.0	14.8	10.4	10.9	7.8
Least rain reported in a month over 93 years	in	24.3	-	0.3	0.4	0.4	0.4	0.6	0.4	0.1	0.2	0.1	-	0.1
Heating degree days over 30 years	days	5340	1178	970	693	346	117	12	2	5	56	293	634	1034
Cooling degree days over 30 years	days	1146	-	-	2	18	84	240	349	280	150	22	1	-
Most snow reported in a month over 93 years	in	45.0	27.5	18.0	21.6	4.5	0.2	-	-	-	-	2.0	12.0	26.5

Check weather averages for nearby locations (some locations might offer more data):

Average temperature of May: 64°F. Average high temperature: 75°F. Average low temperature: 52°F. Sullivan, IL Averages »

Check out weather for other locations in Illinois or United States

Locations you have checked lately:

Beyond Weather