Measurements:
°C
°F
CURRENT WEATHER
11:57
San Juan
92°F
W 14 mph
Feels like: 98°F
Precip: 11%
World Resorts Puerto Rico San Juan Weather

7 Day Weather Forecast

07.22
wed
DAY
92°F
W 14 mph
precip
11%
NIGHT
82°F
NW 9 mph
precip
24%
07.23
thu
DAY
92°F
W 15 mph
precip
2%
NIGHT
80°F
NW 8 mph
precip
21%
07.24
fri
DAY
90°F
W 16 mph
precip
13%
NIGHT
82°F
W 12 mph
precip
19%
07.25
sat
DAY
92°F
W 19 mph
precip
12%
NIGHT
82°F
W 12 mph
precip
36%
07.26
sun
DAY
90°F
W 17 mph
precip
4%
NIGHT
82°F
NW 10 mph
precip
14%
07.27
mon
DAY
90°F
W 15 mph
precip
37%
NIGHT
82°F
NW 9 mph
precip
17%
07.28
tue
DAY
90°F
W 16 mph
precip
8%
NIGHT
82°F
NW 9 mph
precip
20%

San Juan Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for San Juan was 28.6°F. The maximum and minimum values were 28.4°F and 28.8°F respectively.

San Juan on the Weather Map

Best Time to Visit San Juan
The most sunny months:
June 9 days
March 9 days
October 9 days
The most warm months:
September 91.1 °F
August 91.0 °F
July 90.6 °F
Warmest sea temperature:
October 88.8 °F
September 88.8 °F
August 87.8 °F
The most cold months:
February 84.0 °F
January 84.2 °F
March 84.7 °F
The most rainy months:
October 5 days
September 4 days
November 4 days
The most windy months:
July 12 mph
June 12 mph
February 12 mph
more details