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Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
San Blas, FL
Content continues below
May
Average Temperature
High
27°
Feels 29
Low
20°
Feels 20
Average Precipitation
6 Days
Rain amount
57mm
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
19
20
30°
21
29°
22
29°
23
30°
24
30°
25
29°
26
30°
27
30°
28
29°
29
29°
30
29°
31
29°
Forecast
Wednesday, May 20, 2026
Day
30°
Feels 35
Wind
23 km/h E
Gust
34 km/h
Humidity
70%
P.O.P
40%
Rain
<1 mm
Night
21°
Feels 21
Wind
14 km/h S
Gust
22 km/h
Humidity
96%
P.O.P
30%
Historical Averages
May 20
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.