Weather Averages for Alworth, IL

Weather Averages for
Alworth, IL

Latitude: 42°12'N, Longitude: 89°6'W, Elevation: 220.7 m, Distance: 5.62 km

	Unit	Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average temperature over 41 years	°C	8	-7	-4	1	8	15	20	22	21	17	11	3	-3
Average high temperature over 41 years	°C	14	-2	0	6	15	21	27	28	27	23	16	7	0
Average low temperature over 41 years	°C	3	-12	-9	-3	2	8	14	16	16	11	4	-1	-8
Highest recorded temperature over 41 years	°C	40	17	20	29	32	35	38	38	40	38	32	24	18
Lowest recorded temperature over 41 years	°C	-32	-32	-30	-23	-15	-4	2	6	5	-2	-9	-23	-31
Average number of rainy days over 43 years	days	118	9	8	11	12	11	10	10	9	9	9	9	10
Average number of days above 27°C over 41 years	days	15	-	-	-	-	1	4	6	4	1	-	-	-
Average precipitation over 41 years	cm	94.2	3.6	3.0	6.6	9.9	9.1	11.9	10.9	10.2	9.7	7.6	6.9	5.1
Average dew point over 41 years	°C	3	-10	-8	-3	2	8	13	16	16	11	5	-1	-7
Most recorded rainfall over 41 years	cm	143.5	11.9	7.6	14.2	25.1	17.8	30.0	30.0	34.3	27.2	21.1	14.0	12.7
Least recorded rainfall over 41 years	cm	59.2	0.5	-	1.5	2.5	1.3	1.3	2.0	1.8	-	-	1.0	1.0
Average number of days with thunderstorms over 41 years	days	41	-	-	2	4	5	8	8	6	5	2	1	-
Average number of days with fog over 41 years	days	146	12	11	12	11	11	8	12	16	14	12	13	14
Average morning relative humidity over 41 years	%	84	80	81	82	80	80	81	86	90	90	86	83	83
Average evening relative humidity over 41 years	%	58	69	64	60	51	50	51	53	56	54	53	63	70
Average wind speed over 41 years	km/h	16.1	19.3	19.3	19.3	19.3	16.1	14.5	12.9	12.9	12.9	14.5	16.1	19.3
Average number of days below -1.5°C over 41 years	days	145	30	26	24	9	1	-	-	-	-	7	20	28
Average snowfall over 43 years	cm	89.7	21.8	17.0	16.8	3.6	-	-	-	-	-	0.3	6.6	23.6
Average number of days above 14.5°C over 41 years	days	165	-	-	2	9	23	29	31	31	26	13	2	-
Average number of clear days over 43 years	days	93	7	7	6	6	8	7	9	9	10	10	6	7
Heating degree days over 30 years	days	6969	1451	1179	930	519	239	24	5	15	99	427	810	1271
Cooling degree days over 30 years	days	702	-	-	-	-	56	138	259	198	42	9	-	-
Average number of cloudy days over 43 years	days	174	17	15	17	16	14	12	10	11	11	13	18	18
Average number of partly cloudy days over 43 years	days	98	7	6	8	8	9	11	12	11	9	8	6	6
Average number of days below -15°C over 41 years	days	26	12	7	1	-	-	-	-	-	-	-	-	6

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

Latitude: 42°12'N, Longitude: 89°5'W, Elevation: 207.3 m, Distance: 6.10 km

Latitude: 42°30'N, Longitude: 89°1'W, Elevation: 237.7 m, Distance: 13.01 km

Latitude: 42°37'N, Longitude: 89°22'W, Elevation: 239.9 m, Distance: 15.86 km

Latitude: 42°37'N, Longitude: 89°2'W, Elevation: 246.3 m, Distance: 17.07 km

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Weather Averages Alworth, IL