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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 |
More about Key West
Key West by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Florida
The climate guide for Florida (Key West) 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 Key West?
Key West has a hot tropical climate with a winter dry season.
Metric (°C / mm) | Imperial (°F / inches)
Tropical storm risk: Key West, Florida hurricane season
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More about Florida
Compare Key West with the USA
Below the Key West chart shows average maximum daytime temperature for Key West, Florida, USA and the USA (Washington).
Maximum daytime temperature (°C)
Metric (°C / mm) | Imperial (°F / inches)
Compare more Key West weather >>
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