Weather Averages for Charleston, TN

7-day Forecast / 10-day Forecast

Latitude: 35°14'N, Longitude: 84°49'W, Elevation: 874.0 ft, Distance: 3.10 mi Charleston, TN Averages »

	Unit	Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average temperature over 21 years	°F	60	42	44	50	60	68	75	78	78	71	60	48	42
Average high temperature over 21 years	°F	71	51	55	62	73	80	87	89	89	84	73	60	51
Average low temperature over 21 years	°F	48	32	34	39	48	55	64	68	66	60	48	37	32
Highest recorded temperature over 21 years	°F	105	78	78	84	93	98	104	105	105	102	93	84	78
Lowest recorded temperature over 21 years	°F	1	6	1	8	26	35	41	53	50	37	21	3	8
Average number of rainy days over 12 years	days	84.1	9.3	8.8	7.3	6.9	6.3	6.7	6.8	6.5	6.5	4.6	6.4	8
Average number of days above 90°F over 12 years	days	58	-	-	-	0.2	3.7	12.5	17.5	17.2	6.3	0.6	-	-
Average precipitation over 12 years	in	51.0	5.7	5.2	5.5	4.2	3.2	4.0	4.0	3.8	4.2	2.7	4.1	4.4
Average relative humidity over 12 years	%	71	73	70	66	64	71	72	73	75	74	74	70	72
Average dew point over 12 years	°F	48	32	34	37	46	57	64	68	66	60	50	37	32
Average number of days below 32°F over 12 years	days	71.1	16.9	11.9	9.3	1.3	-	-	-	-	-	1.5	13.1	17.1
Average snowfall over 21 years	in	2.4	0.6	1.1	0.5	-	-	-	-	-	-	-	0.1	0.1

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