Weather Averages for Chattanooga, TN

Weather Averages for
Chattanooga, TN

Latitude: 35°2'N, Longitude: 85°12'W, Elevation: 210.9 m, Distance: 3.89 km

	Unit	Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average temperature over 48 years	°C	15	4	6	10	15	20	24	26	25	22	16	10	5
Average high temperature over 48 years	°C	21	9	12	16	22	26	30	32	31	28	22	16	11
Average low temperature over 48 years	°C	9	-1	0	3	8	13	17	20	20	16	8	3	0
Highest recorded temperature over 48 years	°C	41	25	26	30	33	36	40	41	40	38	34	28	25
Lowest recorded temperature over 48 years	°C	-23	-23	-17	-13	-3	1	5	10	11	2	-5	-15	-18
Average number of rainy days over 63 years	days	120	12	10	12	10	10	10	12	10	8	7	9	11
Average number of days above 27°C over 48 years	days	48	-	-	-	-	2	10	16	14	5	-	-	-
Average precipitation over 48 years	cm	136.1	13.2	13.0	15.2	10.9	10.2	9.4	12.2	8.9	10.4	8.1	11.4	13.0
Average dew point over 48 years	°C	9	-1	0	3	7	13	18	20	20	16	10	3	0
Average number of days above 17°C over 48 years	days	206	1	2	8	19	28	30	31	31	29	20	6	1
Most recorded rainfall over 48 years	cm	187.2	27.9	24.6	41.4	30.2	23.4	23.9	30.2	19.1	36.1	25.1	34.5	34.8
Least recorded rainfall over 48 years	cm	88.6	2.3	1.8	3.0	2.5	2.8	1.5	0.5	1.5	1.3	0.5	2.3	2.3
Average number of days with thunderstorms over 48 years	days	55	1	2	4	5	7	9	11	9	4	1	1	1
Average number of days with fog over 48 years	days	165	13	11	11	8	13	14	16	19	17	16	14	13
Average morning relative humidity over 48 years	%	87	82	82	82	83	89	89	90	92	92	91	86	83
Average evening relative humidity over 48 years	%	53	58	52	48	44	51	53	55	55	55	50	52	57
Average wind speed over 48 years	km/h	12.9	12.9	14.5	14.5	14.5	12.9	9.7	8.0	8.0	9.7	9.7	12.9	12.9
Average number of days below -1.5°C over 48 years	days	72	19	15	8	1	-	-	-	-	-	1	10	17
Average snowfall over 63 years	cm	11.2	4.6	3.0	1.8	0.3	-	-	-	-	-	-	-	1.5
Average number of clear days over 63 years	days	105	7	7	8	9	9	8	7	8	10	13	10	8
Heating degree days over 30 years	days	3587	856	650	453	196	57	-	-	-	9	190	435	741
Cooling degree days over 30 years	days	1544	-	-	-	19	116	306	425	400	231	47	-	-
Average possibility of sunshine over 63 years	%	57	43	49	52	61	65	65	62	63	64	63	53	44
Average number of cloudy days over 63 years	days	155	17	15	16	13	12	10	11	10	10	10	13	17
Average number of partly cloudy days over 63 years	days	106	7	6	7	8	10	12	13	13	10	8	7	6
Average number of days below -12.5°C over 48 years	days	2	1	-	-	-	-	-	-	-	-	-	-	-

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

Latitude: 35°1'N, Longitude: 85°12'W, Elevation: 210.0 m, Distance: 4.06 km

Latitude: 34°38'N, Longitude: 85°18'W, Elevation: 262.1 m, Distance: 17.72 km

Latitude: 34°45'N, Longitude: 84°57'W, Elevation: 213.4 m, Distance: 17.94 km

Latitude: 34°59'N, Longitude: 85°49'W, Elevation: 204.2 m, Distance: 18.03 km

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Weather Averages Chattanooga, TN