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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
San Juan Opico, LI
Content continues below
May
Average Temperature
High
31°
Feels 33
Low
20°
Feels 20
Average Precipitation
23 Days
Rain amount
241.7mm
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
36°
11
36°
12
35°
13
36°
14
37°
15
37°
16
36°
17
35°
18
34°
19
34°
20
34°
21
34°
22
33°
23
31°
24
34°
25
26
27
28
29
30
31
Forecast
Sunday, May 10, 2026
Day
36°
Feels 36
Wind
16 km/h S
Gust
23 km/h
Humidity
29%
P.O.P
40%
Rain
<1 mm
Night
23°
Feels 23
Wind
12 km/h SW
Gust
18 km/h
Humidity
91%
P.O.P
40%
Rain
<1 mm
Historical Averages
May 10
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.