Knoxville Weather Year-Round — Best Time to Visit
Knoxville, United States has mild weather year-round. The best time to visit is September (score: 86/100). Annual average high: 20.1°C, total rainfall: 1177mm.
When is the best time to visit Knoxville?
86
September is the best month to visit Knoxville with a travel score of 86/100 (Excellent).
Expect highs of 26.9°C, 8 rain days, and 9.8 hours of daily sunshine.
View September weather details →Travel Score by Month
53
Jan
57
Feb
65
Mar
76
Apr
81
May
81
Jun
78
Jul
82
Aug
86
Sep
79
Oct
66
Nov
55
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Knoxville each month?
20.1°C
Avg High
10°C
Avg Low
1177mm
Annual Rain
How much rain does Knoxville get?
Knoxville receives 1177mm of rain annually. The wettest month is typically March with 118mm, while October is the driest.
What is the weather like each month in Knoxville?
January
53
8°C
Low: -1°C
11 rain days
Mixed
February
57
11°C
Low: 1°C
11 rain days
Mixed
March
65
15°C
Low: 4°C
11 rain days
Good
April
76
20°C
Low: 9°C
10 rain days
Good
May
81
25°C
Low: 14°C
11 rain days
Excellent
June
81
29°C
Low: 19°C
12 rain days
Excellent
July
78
30°C
Low: 21°C
14 rain days
Good
August
82
30°C
Low: 20°C
11 rain days
Excellent
September
Best time to visit86
27°C
Low: 17°C
8 rain days
Excellent
October
79
21°C
Low: 11°C
7 rain days
Good
November
66
15°C
Low: 5°C
8 rain days
Good
December
55
10°C
Low: 1°C
10 rain days
Mixed
Compare Knoxville
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 Knoxville?
Data based on 1994–2024 averages · Last updated: 2024-12-31