Weather Averages for Addison, IL

Weather Averages for
Addison, IL

Latitude: 41°59'N, Longitude: 87°54'W, Elevation: 205.4 m, Distance: 4.19 km

	Unit	Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average temperature over 37 years	°C	9	-5	-3	2	9	15	20	23	22	18	11	4	-2
Average high temperature over 37 years	°C	15	-1	1	7	14	21	26	28	27	23	17	8	1
Average low temperature over 37 years	°C	4	-10	-7	-2	3	8	13	17	16	12	5	0	-6
Highest recorded temperature over 37 years	°C	40	18	21	31	32	33	40	40	38	37	32	25	21
Lowest recorded temperature over 37 years	°C	-32	-32	-27	-22	-13	-4	2	4	5	-2	-8	-17	-31
Average number of rainy days over 35 years	days	126	11	9	13	13	11	10	10	9	10	9	11	11
Average number of days above 27°C over 37 years	days	18	-	-	-	-	1	4	7	4	2	-	-	-
Average precipitation over 37 years	cm	89.7	4.3	3.6	6.9	9.1	8.1	9.7	9.1	10.4	8.9	6.6	7.4	5.6
Average dew point over 37 years	°C	3	-10	-7	-2	2	7	13	16	16	12	5	0	-6
Most recorded rainfall over 37 years	cm	125.2	10.4	8.9	15.0	19.6	18.0	25.4	21.1	43.4	29.0	18.8	20.8	21.8
Least recorded rainfall over 37 years	cm	55.4	0.3	0.3	1.5	2.5	0.8	2.3	3.0	1.3	-	0.5	1.5	0.5
Average number of days with thunderstorms over 37 years	days	37	-	-	2	4	5	6	6	6	4	2	1	1
Average number of days with fog over 37 years	days	131	12	11	12	10	10	8	9	12	11	11	12	13
Average morning relative humidity over 37 years	%	80	77	78	79	77	77	78	82	85	85	82	81	80
Average evening relative humidity over 37 years	%	58	66	63	59	53	51	52	54	55	55	53	62	68
Average wind speed over 37 years	km/h	16.1	17.7	16.1	17.7	19.3	17.7	16.1	14.5	14.5	14.5	16.1	19.3	17.7
Average number of days below -1.5°C over 37 years	days	132	29	25	21	7	1	-	-	-	-	5	17	27
Average snowfall over 35 years	cm	97.0	27.2	20.6	17.8	4.3	0.3	-	-	-	-	1.0	4.8	21.1
Average number of days above 14.5°C over 37 years	days	165	-	-	3	9	21	29	31	31	26	13	2	-
Average number of clear days over 35 years	days	84	7	6	5	6	7	7	8	9	9	9	5	6
Heating degree days over 30 years	days	6536	1364	1109	862	492	235	35	5	19	84	391	750	1190
Cooling degree days over 30 years	days	752	-	-	-	-	46	143	259	226	66	12	-	-
Average possibility of sunshine over 13 years	%	54	46	47	50	50	57	67	65	63	58	56	39	44
Average number of cloudy days over 35 years	days	176	18	16	18	16	14	11	11	11	11	13	18	19
Average number of partly cloudy days over 35 years	days	105	6	6	8	8	10	12	12	11	10	9	7	6
Average number of days below -15°C over 37 years	days	20	10	5	1	-	-	-	-	-	-	-	-	4

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

Latitude: 42°0'N, Longitude: 87°54'W, Elevation: 200.6 m, Distance: 4.61 km

Latitude: 41°49'N, Longitude: 88°4'W, Elevation: 207.3 m, Distance: 5.24 km

Latitude: 42°5'N, Longitude: 87°50'W, Elevation: 199.0 m, Distance: 8.64 km

Latitude: 41°46'N, Longitude: 87°45'W, Elevation: 189.9 m, Distance: 10.94 km

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Weather Averages Addison, IL