Chattanooga weather by month

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

Temperature in Chattanooga (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
8°C maximum daytime temperature in January in Chattanooga8
11°C maximum daytime temperature in February in Chattanooga11
16°C maximum daytime temperature in March in Chattanooga16
22°C maximum daytime temperature in April in Chattanooga22
26°C maximum daytime temperature in May in Chattanooga26
30°C maximum daytime temperature in June in Chattanooga30
32°C maximum daytime temperature in July in Chattanooga32
31°C maximum daytime temperature in August in Chattanooga31
28°C maximum daytime temperature in September in Chattanooga28
22°C maximum daytime temperature in October in Chattanooga22
16°C maximum daytime temperature in November in Chattanooga16
10°C maximum daytime temperature in December in Chattanooga10
Min temperature (night-time)
-3°C minimum night-time temperature in January in Chattanooga-3
-1°C minimum night-time temperature in February in Chattanooga-1
4°C minimum night-time temperature in March in Chattanooga4
8°C minimum night-time temperature in April in Chattanooga8
13°C minimum night-time temperature in May in Chattanooga13
17°C minimum night-time temperature in June in Chattanooga17
20°C minimum night-time temperature in July in Chattanooga20
19°C minimum night-time temperature in August in Chattanooga19
16°C minimum night-time temperature in September in Chattanooga16
9°C minimum night-time temperature in October in Chattanooga9
4°C minimum night-time temperature in November in Chattanooga4
-1°C minimum night-time temperature in December in Chattanooga-1
Heat & Humidity
No heat & humidity in January in Chattanooga0
No heat & humidity in February in Chattanooga0
No heat & humidity in March in Chattanooga0
No heat & humidity in April in Chattanooga0
Low heat & humidity in May in ChattanoogaL
High heat & humidity in June in ChattanoogaH
High heat & humidity in July in ChattanoogaH
High heat & humidity in August in ChattanoogaH
Moderate heat & humidity in September in ChattanoogaM
No heat & humidity in October in Chattanooga0
No heat & humidity in November in Chattanooga0
No heat & humidity in December in Chattanooga0

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

Sunshine & Daylight in Chattanooga

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
10 hours of daylight per day in January in Chattanooga10
11 hours of daylight per day in February in Chattanooga11
12 hours of daylight per day in March in Chattanooga12
13 hours of daylight per day in April in Chattanooga13
14 hours of daylight per day in May in Chattanooga14
14 hours of daylight per day in June in Chattanooga14
14 hours of daylight per day in July in Chattanooga14
13 hours of daylight per day in August in Chattanooga13
12 hours of daylight per day in September in Chattanooga12
11 hours of daylight per day in October in Chattanooga11
10 hours of daylight per day in November in Chattanooga10
10 hours of daylight per day in December in Chattanooga10
UV Index (Maximum)
UV (maximum) index 3 (Moderate) in January in Chattanooga3
UV (maximum) index 4 (Moderate) in February in Chattanooga4
UV (maximum) index 6 (High) in March in Chattanooga6
UV (maximum) index 8 (Very High) in April in Chattanooga8
UV (maximum) index 9 (Very High) in May in Chattanooga9
UV (maximum) index 10 (Very High) in June in Chattanooga10
UV (maximum) index 10 (Very High) in July in Chattanooga10
UV (maximum) index 9 (Very High) in August in Chattanooga9
UV (maximum) index 8 (Very High) in September in Chattanooga8
UV (maximum) index 5 (Moderate) in October in Chattanooga5
UV (maximum) index 3 (Moderate) in November in Chattanooga3
UV (maximum) index 2 (Low) in December in Chattanooga2

Rainfall in Chattanooga

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
11 days with some rainfall in January in Chattanooga11
10 days with some rainfall in February in Chattanooga10
12 days with some rainfall in March in Chattanooga12
10 days with some rainfall in April in Chattanooga10
10 days with some rainfall in May in Chattanooga10
10 days with some rainfall in June in Chattanooga10
12 days with some rainfall in July in Chattanooga12
10 days with some rainfall in August in Chattanooga10
8 days with some rainfall in September in Chattanooga8
7 days with some rainfall in October in Chattanooga7
10 days with some rainfall in November in Chattanooga10
11 days with some rainfall in December in Chattanooga11
Average monthly rainfall (mm)
125 mm monthly rainfall in January in Chattanooga125
123 mm monthly rainfall in February in Chattanooga123
155 mm monthly rainfall in March in Chattanooga155
112 mm monthly rainfall in April in Chattanooga112
114 mm monthly rainfall in May in Chattanooga114
93 mm monthly rainfall in June in Chattanooga93
125 mm monthly rainfall in July in Chattanooga125
92 mm monthly rainfall in August in Chattanooga92
105 mm monthly rainfall in September in Chattanooga105
83 mm monthly rainfall in October in Chattanooga83
119 mm monthly rainfall in November in Chattanooga119
134 mm monthly rainfall in December in Chattanooga134

More about Chattanooga

Chattanooga by month

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

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The climate guide for Tennessee (Chattanooga) 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 Chattanooga?

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

Metric (°C / mm)  |  Imperial (°F / inches)

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Tropical storm risk: Chattanooga, Tennessee hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
<1%
1.1%
1.2%
0
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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More about the USA

Compare Chattanooga with the USA

Below the Chattanooga chart shows average maximum daytime temperature for Chattanooga, Tennessee, USA and the USA (Washington).

Maximum daytime temperature (°C)

Chattanooga, Tennessee, USA
USA (Washington)
8
5
11
7
16
13
22
19
26
24
30
29
32
31
31
30
28
26
22
20
16
14
10
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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