Weather Averages for Apostle Islands National Lak, WI

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Latitude: 46°52'N, Longitude: 90°49'W, Elevation: 820.0 ft, Distance: 4.43 mi Apostle Islands National Lak, WI Averages »

	Unit	Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average temperature over 30 years	°F	40	11	14	26	39	51	60	66	64	55	45	31	17
Average high temperature over 30 years	°F	50	20	25	36	50	63	72	78	75	65	55	39	25
Average low temperature over 30 years	°F	30	1	3	16	29	39	47	55	54	46	36	23	9
Highest recorded temperature over 101 years	°F	104	53	60	78	89	95	98	104	98	98	87	75	60
Lowest recorded temperature over 101 years	°F	-34	-34	-34	-20	1	19	21	36	34	26	15	-13	-23
Average number of days above 90°F over 30 years	days	2.1	-	-	-	-	0.1	0.3	0.9	0.7	0.2	-	-	-
Average precipitation over 30 years	in	32.3	1.6	0.9	2.2	2.1	3.3	3.5	3.5	4.2	4.1	2.9	2.3	1.8
Average number of days below 32°F over 30 years	days	91	16	15	14	9.8	2.5	0.1	-	-	0.4	4.3	13	16
Average number of days below 0°F over 30 years	days	16	6.3	5	1.5	-	-	-	-	-	-	-	0.3	2.9
Average snowfall over 30 years	in	83.9	23.5	10.4	13.1	4.3	0.3	-	-	-	-	0.5	11.4	25.5
Most rain reported in a day over 101 years	in	8.5	1.3	1.2	4.1	2.4	3.3	3.0	8.5	4.7	4.6	2.0	2.8	1.7
Most rain reported in a month over 101 years	in	46.0	3.6	3.1	8.0	5.5	9.2	7.3	11.5	11.3	9.0	5.9	8.1	3.7
Least rain reported in a month over 101 years	in	14.9	0.1	-	-	0.1	0.4	1.1	0.4	0.7	0.4	0.2	-	-
Heating degree days over 30 years	days	8761	1609	1352	1152	737	423	173	44	72	261	573	965	1400
Cooling degree days over 30 years	days	261	-	-	-	1	7	36	110	86	19	2	-	-
Most snow reported in a month over 101 years	in	169.4	45.3	24.4	37.9	16.9	8.0	-	-	-	-	6.5	54.8	58.3

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