Weather Averages for Southport, IN

7-day Forecast / 10-day Forecast

Latitude: 39°43'N, Longitude: 86°16'W, Elevation: 807.0 ft, Distance: 4.91 mi Southport, IN Averages »

	Unit	Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average temperature over 128 years	°F	51	28	32	39	51	62	71	75	73	66	55	41	32
Average high temperature over 51 years	°F	60	33	39	48	62	71	80	84	82	77	64	50	39
Average low temperature over 51 years	°F	41	19	23	32	41	50	60	64	62	53	42	32	24
Highest recorded temperature over 54 years	°F	104	71	73	84	89	93	102	104	102	100	89	80	73
Lowest recorded temperature over 54 years	°F	-27	-27	-20	-7	17	28	37	46	41	32	19	-2	-23
Average number of days above 90°F over 30 years	days	19	-	-	-	-	0.4	4.3	7.1	5.6	1.9	-	-	-
Average precipitation over 138 years	in	40.0	2.9	2.5	3.8	3.7	4.0	4.0	4.0	3.3	3.1	2.7	3.2	2.9
Average number of days below 32°F over 30 years	days	118	27	23	18	5.5	0.4	-	-	-	-	3.6	15	25
Average number of days below 0°F over 30 years	days	6.7	3.2	1.7	0.2	-	-	-	-	-	-	-	0.1	1.5
Average snowfall over 30 years	in	27.4	8.2	7.8	3.2	0.5	-	-	-	-	-	0.4	1.6	5.8
Most rain reported in a day over 101 years	in	5.1	2.8	2.5	3.0	2.6	3.1	4.5	5.1	4.5	2.9	3.9	4.2	2.1
Most rain reported in a month over 101 years	in	56.8	12.7	5.4	10.7	8.1	10.1	9.7	11.8	8.3	8.1	8.4	8.5	7.7
Least rain reported in a month over 101 years	in	28.0	0.2	0.4	0.9	1.0	0.5	0.4	0.6	0.7	0.2	0.2	0.8	0.5
Heating degree days over 30 years	days	5649	1225	1002	735	391	144	14	2	6	77	338	660	1055
Cooling degree days over 30 years	days	1018	-	-	2	12	70	217	320	257	124	15	1	-
Most snow reported in a month over 101 years	in	44.5	30.6	18.0	12.5	3.7	0.2	-	-	-	-	9.3	8.3	27.5

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