Knoxville weather by month

Check out Knoxville weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature
Rainfall
Sunshine & UV index

Temperature in Knoxville (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	8	11	16	22	25	29	31	31	27	22	15	10
Min temperature (night-time)	-3	-2	2	7	11	16	19	18	15	7	3	-2
Heat & Humidity	0	0	0	0	L	M	H	H	L	0	0	0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Knoxville

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	4	5	7	8	9	10	9	9	8	7	5	4
Daily hours of daylight	10	11	12	13	14	15	14	13	12	11	10	10
UV Index (Maximum)	3	4	6	8	9	10	10	9	8	5	3	2

Rainfall in Knoxville

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	12	11	12	11	11	10	12	9	8	8	10	11
Average monthly rainfall (mm)	108	104	132	96	109	103	121	86	81	73	99	117

More about Knoxville

Knoxville by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Tennessee (Knoxville) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Knoxville?

Knoxville has a temperate climate with hot summers and some rainfall in all months.

Knoxville weather in January

Expect daytime maximum temperatures of 8°C in Knoxville, Tennessee in January based on long-term weather averages. There are 4 hours of sunshine per day on average with 12 days with some rainfall and typically 108 mm of rainfall in the month.

8
8°C max day temperature
4
4 hours of sunshine per day
12
12 days with some rainfall
-3
-3°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
108
108 mm of monthly rainfall
3
3 (Moderate) UV index

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Knoxville weather in February

Expect daytime maximum temperatures of 11°C in Knoxville, Tennessee in February based on long-term weather averages. There are 5 hours of sunshine per day on average with 11 days with some rainfall and typically 104 mm of rainfall in the month.

11
11°C max day temperature
5
5 hours of sunshine per day
11
11 days with some rainfall
-2
-2°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
104
104 mm of monthly rainfall
4
4 (Moderate) UV index

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Knoxville weather in March

Expect daytime maximum temperatures of 16°C in Knoxville, Tennessee in March based on long-term weather averages. There are 7 hours of sunshine per day on average with 12 days with some rainfall and typically 132 mm of rainfall in the month.

16
16°C max day temperature
7
7 hours of sunshine per day
12
12 days with some rainfall
2
2°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
132
132 mm of monthly rainfall
6
6 (High) UV index

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Knoxville weather in April

Expect daytime maximum temperatures of 22°C in Knoxville, Tennessee in April based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 96 mm of rainfall in the month.

22
22°C max day temperature
8
8 hours of sunshine per day
11
11 days with some rainfall
7
7°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
96
96 mm of monthly rainfall
8
8 (Very High) UV index

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Knoxville weather in May

Expect daytime maximum temperatures of 25°C in Knoxville, Tennessee in May based on long-term weather averages. There are 9 hours of sunshine per day on average with 11 days with some rainfall and typically 109 mm of rainfall in the month.

25
25°C max day temperature
9
9 hours of sunshine per day
11
11 days with some rainfall
11
11°C min night temperature
14
14 hours of daylight per day
L
Low heat & humidity
109
109 mm of monthly rainfall
9
9 (Very High) UV index

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Knoxville weather in June

Expect daytime maximum temperatures of 29°C in Knoxville, Tennessee in June based on long-term weather averages. There are 10 hours of sunshine per day on average with 10 days with some rainfall and typically 103 mm of rainfall in the month.

29
29°C max day temperature
10
10 hours of sunshine per day
10
10 days with some rainfall
16
16°C min night temperature
15
15 hours of daylight per day
M
Moderate heat & humidity
103
103 mm of monthly rainfall
10
10 (Very High) UV index

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Knoxville weather in July

Expect daytime maximum temperatures of 31°C in Knoxville, Tennessee in July and high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with 12 days with some rainfall and typically 121 mm of rainfall in the month.

31
31°C max day temperature
9
9 hours of sunshine per day
12
12 days with some rainfall
19
19°C min night temperature
14
14 hours of daylight per day
H
High heat & humidity
121
121 mm of monthly rainfall
10
10 (Very High) UV index

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Knoxville weather in August

Expect daytime maximum temperatures of 31°C in Knoxville, Tennessee in August and high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 86 mm of rainfall in the month.

31
31°C max day temperature
9
9 hours of sunshine per day
9
9 days with some rainfall
18
18°C min night temperature
13
13 hours of daylight per day
H
High heat & humidity
86
86 mm of monthly rainfall
9
9 (Very High) UV index

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Knoxville weather in September

Expect daytime maximum temperatures of 27°C in Knoxville, Tennessee in September based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 81 mm of rainfall in the month.

27
27°C max day temperature
8
8 hours of sunshine per day
8
8 days with some rainfall
15
15°C min night temperature
12
12 hours of daylight per day
L
Low heat & humidity
81
81 mm of monthly rainfall
8
8 (Very High) UV index

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Knoxville weather in October

Expect daytime maximum temperatures of 22°C in Knoxville, Tennessee in October based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 73 mm of rainfall in the month.

22
22°C max day temperature
7
7 hours of sunshine per day
8
8 days with some rainfall
7
7°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
73
73 mm of monthly rainfall
5
5 (Moderate) UV index

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Knoxville weather in November

Expect daytime maximum temperatures of 15°C in Knoxville, Tennessee in November based on long-term weather averages. There are 5 hours of sunshine per day on average with 10 days with some rainfall and typically 99 mm of rainfall in the month.

15
15°C max day temperature
5
5 hours of sunshine per day
10
10 days with some rainfall
3
3°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
99
99 mm of monthly rainfall
3
3 (Moderate) UV index

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Knoxville weather in December

Expect daytime maximum temperatures of 10°C in Knoxville, Tennessee in December based on long-term weather averages. There are 4 hours of sunshine per day on average with 11 days with some rainfall and typically 117 mm of rainfall in the month.