Key West weather by month
Check out Key West weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
Temperature in Key West (°C)
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Max temperature (daytime) | 24 |
24 |
26 |
28 |
29 |
31 |
32 |
32 |
31 |
29 |
27 |
24 |
Min temperature (night-time) | 17 |
17 |
20 |
21 |
23 |
25 |
25 |
26 |
25 |
23 |
20 |
18 |
Heat & Humidity | 0 |
0 |
L |
M |
H |
H |
VH |
VH |
VH |
H |
M |
L |
Sea temperature | 23 |
22 |
23 |
25 |
27 |
29 |
30 |
30 |
29 |
28 |
26 |
24 |
Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme
Sunshine & Daylight in Key West
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Daily hours of sunshine | ||||||||||||
Daily hours of daylight | 11 |
11 |
12 |
13 |
13 |
14 |
13 |
13 |
12 |
12 |
11 |
11 |
UV Index (Maximum) | 6 |
8 |
10 |
11 |
11 |
11 |
11 |
11 |
10 |
9 |
7 |
6 |
Rainfall in Key West
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Number of days with some rain | 6 |
6 |
5 |
4 |
8 |
12 |
12 |
15 |
15 |
11 |
7 |
6 |
Average monthly rainfall (mm) | 47 |
48 |
40 |
46 |
107 |
144 |
104 |
125 |
166 |
115 |
51 |
45 |