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7 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Duck Key, FL
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May
Average Temperature
High
29°
Feels 32
Low
25°
Feels 27
Average Precipitation
12 Days
Rain amount
94.8mm
Snow amount
0cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
28°
19
27°
20
28°
21
28°
22
28°
23
28°
24
28°
25
28°
26
28°
27
27°
28
28°
29
28°
30
29°
31
29°
Forecast
Monday, May 18, 2026
Day
28°
Feels 31
Wind
35 km/h E
Gust
53 km/h
Humidity
72%
P.O.P
40%
Rain
~1 mm
Night
27°
Feels 29
Wind
32 km/h E
Gust
48 km/h
Humidity
78%
P.O.P
20%
Historical Averages
May 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.