Key West Weather Year-Round — Best Time to Visit
Key West, United States has warm weather year-round. The best time to visit is March (score: 86/100). Annual average high: 26°C, total rainfall: 837mm.
When is the best time to visit Key West?
86
March is the best month to visit Key West with a travel score of 86/100 (Excellent).
Expect highs of 23.7°C, 4 rain days, and 11 hours of daily sunshine.
View March weather details →Travel Score by Month
83
Jan
84
Feb
86
Mar
85
Apr
81
May
75
Jun
76
Jul
71
Aug
69
Sep
75
Oct
83
Nov
82
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Key West each month?
26°C
Avg High
24.3°C
Avg Low
837mm
Annual Rain
How much rain does Key West get?
Key West receives 837mm of rain annually. The wettest month is typically September with 142mm, while March is the driest.
What is the weather like each month in Key West?
January
83
23°C
Low: 20°C
5 rain days
Excellent
February
84
23°C
Low: 21°C
4 rain days
Excellent
March
Best time to visit86
24°C
Low: 22°C
4 rain days
Excellent
April
85
25°C
Low: 24°C
5 rain days
Excellent
May
81
27°C
Low: 25°C
8 rain days
Excellent
June
75
28°C
Low: 27°C
13 rain days
Good
July
76
29°C
Low: 27°C
12 rain days
Good
August
71
29°C
Low: 27°C
16 rain days
Good
September
69
29°C
Low: 27°C
17 rain days
Good
October
75
27°C
Low: 26°C
12 rain days
Good
November
83
25°C
Low: 24°C
6 rain days
Excellent
December
82
24°C
Low: 22°C
5 rain days
Excellent
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What cities are near Key West?
Data based on 1994–2024 averages · Last updated: 2024-12-31