Weather in Key West: May
 |
Average day temperature: | 81.7°F |
| Average night temperature: | 78.7°F | |
 |
Sea water temperature: | 81.9°F |
 |
Number of sunny days: | 16 days |
| Day length: | 13.1 - 13.6 hours | |
 |
Number of rainy days: | 5 days |
| Precipitation totals: | 3.9 in. | |
| more information | ||
14 days
forecast
forecast
| Key West |
sea water
temperature
temperature
| Key West |
Air temperature in May, °F
Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
14
28
42
56
70
84
98
112
| Day temperature | Night temperature |
The highest day temperature during May of 2024 was 84°F. At the same time the lowest night temperature was 77°F. Day and night temperature averages during May were 81.7°F and 81.8°F.
Sea water temperature in Key West in May, °F
Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
74
77
80
83
86
89
92
95
The average sea water temperature in May of 2024 was 84.6°F. The highest and lowest sea temperatures during the month were 90.0°F and 78.4°F.
Sunny, partly cloudy and cloudy days
| Sunny days | |
| Partly cloudy days | |
| Cloudy days |
47%
37%
17%
Mostly all days in May are sunny but cloudy days are also possible.
Precipitation total in May, in.
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.0
2.0
3.0
3.9
4.9
5.9
6.9
1.2
1.9
3.9
5.8
4.8
5.3
4.3
1.4
1.0
1.3
1.2
1.9
3.9
5.8
4.8
5.3
4.3
4.4
1.4
1.0
1.3
Precipitation total value in Key West in May is 4.4 in. Other months of the year show relatively similar values.
Wind speed in May, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.4
4.9
7.3
9.8
12.2
14.6
17.1
13.6
14.2
14.0
10.3
10.8
10.1
10.0
13.0
13.7
13.0
13.7
13.6
14.2
14.0
10.3
10.8
10.1
10.0
11.4
13.0
13.7
13.0
13.7
The average wind speed value in May is 11.4 mph
Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.5
3.0
4.5
6.1
7.6
9.1
10.6
6.1
6.3
7.0
7.1
7.0
7.3
7.4
8.0
7.7
6.8
5.8
6.1
6.3
7.0
7.1
7.0
7.3
7.4
8.8
8.0
7.7
6.8
5.8
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 8.8.
Best time for vacation in Key West
Key West on a weather map
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Places in USA:
Name
°F
24 Hours Forecast
Key West
Local time: 07:13
March 29, saturday
0900
75°F
W
22 mph
22 mph
1200
75°F
W
22 mph
22 mph
1500
77°F
W
21 mph
21 mph
1800
79°F
W
22 mph
22 mph
2100
77°F
W
20 mph
20 mph
March 30, sunday
0000
77°F
W
19 mph
19 mph
0300
75°F
NW
19 mph
19 mph
0600
75°F
NW
19 mph
19 mph
