World Resorts Puerto Rico San Juan Weather

San Juan 7 Days Forecast

25.04
fri
Day
81°F
SW 10 mph
Precip.
0%
Night
77°F
NW 5 mph
Precip.
0%
26.04
sat
Day
82°F
W 8 mph
Precip.
0%
Night
79°F
NW 7 mph
Precip.
0%
27.04
sun
Day
82°F
NW 7 mph
Precip.
100%
Night
77°F
W 7 mph
Precip.
100%
28.04
mon
Day
82°F
W 12 mph
Precip.
59%
Night
77°F
W 6 mph
Precip.
0%
29.04
tue
Day
82°F
SW 12 mph
Precip.
100%
Night
75°F
W 7 mph
Precip.
100%
30.04
wed
Day
81°F
W 11 mph
Precip.
100%
Night
75°F
W 8 mph
Precip.
100%
01.05
thu
Day
81°F
W 12 mph
Precip.
100%
Night
75°F
W 11 mph
Precip.
66%

Sea water temperature in April, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
74
76
78
80
82
84
86
88

The average sea water temperature in April of 2025 was 80.7°F. The highest and lowest sea temperatures during the month were 81.5°F and 79.7°F.

Sea water 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
75
77
79
81
83
85
87
89

The average sea water temperature in May of 2024 was 83.1°F. The highest and lowest sea temperatures during the month were 84.6°F and 80.6°F.

Air temperature in San Juan, °F

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
14
28
42
56
70
84
98
112
81.6
83.2
85.3
86.3
86.5
86.3
86.3
84.3
82.1
81.2
80.5
80.7
75.7
77.3
78.5
79.3
78.8
78.9
78.3
76.6
74.7
73.9
73.8
73.9
Day temperature   
Night temperature

Precipitation total in San Juan, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.7
1.3
2.0
2.6
3.3
3.9
4.6
5.2
1.6
2.9
2.8
3.8
2.8
2.8
1.8
1.9
1.8
1.8
2
1.5
* Charts above show average data for the last 3 years.

Best time for vacation in San Juan

Sunniest months:
June 10 days
March 10 days
April 9 days
Warmest months:
September 87.1 °F
August 87.0 °F
July 86.7 °F
Warmest sea temp:
October 84.9 °F
September 84.8 °F
August 83.9 °F
Coldest months:
February 80.6 °F
January 80.8 °F
March 81.3 °F
Rainiest months:
October 5 days
August 4 days
September 4 days
Windiest months:
July 12.6 mph
February 12.0 mph
August 11.9 mph

San Juan on a weather map

Leaflet | Tiles © Esri
Places in Puerto Rico:
Name
°F
Aguadilla
+84°F
Arecibo
+77°F
Isabella
+84°F
Mayaguez
+84°F
Ponce
+86°F
San Juan
+81°F
24 Hours Forecast
San Juan
Local time: 12:04
April 25, friday
1500
81°F
SW
14 mph
1800
79°F
W
9 mph
2100
79°F
W
8 mph
April 26, saturday
0000
77°F
NW
5 mph
0300
77°F
N
3 mph
0600
77°F
NW
4 mph
0900
81°F
NW
5 mph
1200
82°F
W
8 mph
Units of measurement: °C / °F