Measurements:
°C
°F
CURRENT WEATHER
07:14
San Juan
82°F
W 11 mph
Feels like: 88°F
Precip: 26%
World Resorts Puerto Rico San Juan Weather

7 Day Weather Forecast

06.21
sun
DAY
90°F
W 16 mph
precip
12%
NIGHT
82°F
W 12 mph
precip
21%
06.22
mon
DAY
90°F
W 19 mph
precip
13%
NIGHT
82°F
W 15 mph
precip
20%
06.23
tue
DAY
88°F
W 19 mph
precip
12%
NIGHT
82°F
W 14 mph
precip
35%
06.24
wed
DAY
90°F
W 17 mph
precip
2%
NIGHT
82°F
W 10 mph
precip
23%
06.25
thu
DAY
90°F
W 18 mph
precip
3%
NIGHT
82°F
W 12 mph
precip
16%
06.26
fri
DAY
90°F
W 18 mph
precip
3%
NIGHT
82°F
W 11 mph
precip
17%
06.27
sat
DAY
88°F
W 17 mph
precip
3%
NIGHT
82°F
W 11 mph
precip
17%

San Juan Sea Water Temperature in June, °F

Select Year: 2026 2025 2024

The average sea surface temperature in June 2026 for San Juan was 28.1°F. The maximum and minimum values were 27.8°F and 28.5°F respectively.

San Juan on the Weather Map

Best Time to Visit San Juan
The most sunny months:
June 10 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
February 12 mph
June 12 mph
more details