Measurements:
°C
°F
CURRENT WEATHER
19:03
San Juan
82°F
W 15 mph
Feels like: 86°F
Precip: 0%
World Resorts Puerto Rico San Juan Weather

7 Day Weather Forecast

03.03
tue
DAY
82°F
W 19 mph
precip
0%
NIGHT
80°F
W 13 mph
precip
0%
03.04
wed
DAY
82°F
W 17 mph
precip
0%
NIGHT
80°F
W 14 mph
precip
0%
03.05
thu
DAY
82°F
W 20 mph
precip
0%
NIGHT
80°F
W 14 mph
precip
0%
03.06
fri
DAY
82°F
W 19 mph
precip
0%
NIGHT
78°F
W 14 mph
precip
100%
03.07
sat
DAY
82°F
W 19 mph
precip
100%
NIGHT
76°F
W 15 mph
precip
100%
03.08
sun
DAY
82°F
W 18 mph
precip
100%
NIGHT
76°F
W 14 mph
precip
100%
03.09
mon
DAY
84°F
W 19 mph
precip
100%
NIGHT
76°F
W 14 mph
precip
100%

San Juan Sea Water Temperature in March, °F

Select Year: 2025 2024 2023

The average sea surface temperature in March 2025 for San Juan was 27.4°F. The maximum and minimum values were 26.9°F and 27.9°F respectively.

San Juan on the Weather Map

Best Time to Visit San Juan
The most sunny months:
June 10 days
March 10 days
April 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