Chattanooga Weather Year-Round — Best Time to Visit
Chattanooga, United States has mild weather year-round. The best time to visit is September (score: 86/100). Annual average high: 21°C, total rainfall: 1286mm.
When is the best time to visit Chattanooga?
86
September is the best month to visit Chattanooga with a travel score of 86/100 (Excellent).
Expect highs of 27.6°C, 8 rain days, and 9.7 hours of daily sunshine.
View September weather details →Travel Score by Month
56
Jan
59
Feb
67
Mar
78
Apr
83
May
80
Jun
78
Jul
81
Aug
86
Sep
81
Oct
67
Nov
56
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Chattanooga each month?
21°C
Avg High
11.1°C
Avg Low
1286mm
Annual Rain
How much rain does Chattanooga get?
Chattanooga receives 1286mm of rain annually. The wettest month is typically March with 132mm, while October is the driest.
What is the weather like each month in Chattanooga?
January
56
10°C
Low: 1°C
10 rain days
Mixed
February
59
12°C
Low: 2°C
10 rain days
Mixed
March
67
17°C
Low: 6°C
11 rain days
Good
April
78
21°C
Low: 10°C
10 rain days
Good
May
83
26°C
Low: 15°C
10 rain days
Excellent
June
80
29°C
Low: 20°C
12 rain days
Good
July
78
31°C
Low: 21°C
14 rain days
Good
August
81
31°C
Low: 21°C
11 rain days
Excellent
September
Best time to visit86
28°C
Low: 18°C
8 rain days
Excellent
October
81
22°C
Low: 12°C
7 rain days
Excellent
November
67
16°C
Low: 6°C
8 rain days
Good
December
56
11°C
Low: 3°C
10 rain days
Mixed
Compare Chattanooga
Popular comparisons:
Planning a Trip to United States?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
🏛️ 121 countries·📅 Updated yearly·✈️ Free forever
What cities are near Chattanooga?
Data based on 1994–2024 averages · Last updated: 2024-12-31