Measurements:
°C
°F
CURRENT WEATHER
05:56
San Juan
80°F
W 8 mph
Feels like: 84°F
Precip: 0%
World Resorts Puerto Rico San Juan Weather

7 Day Weather Forecast

03.28
sat
DAY
82°F
W 11 mph
precip
0%
NIGHT
80°F
SW 9 mph
precip
0%
03.29
sun
DAY
82°F
SW 13 mph
precip
0%
NIGHT
80°F
SW 14 mph
precip
100%
03.30
mon
DAY
80°F
SW 14 mph
precip
0%
NIGHT
80°F
SW 13 mph
precip
100%
03.31
tue
DAY
82°F
W 15 mph
precip
100%
NIGHT
76°F
W 14 mph
precip
100%
04.01
wed
DAY
80°F
W 14 mph
precip
100%
NIGHT
76°F
W 11 mph
precip
100%
04.02
thu
DAY
82°F
W 13 mph
precip
100%
NIGHT
76°F
W 9 mph
precip
100%
04.03
fri
DAY
82°F
W 14 mph
precip
100%
NIGHT
76°F
W 12 mph
precip
100%

San Juan Sea Water Temperature in March, °F

Select Year: 2026 2025 2024

The average sea surface temperature in March 2026 for San Juan was 26.9°F. The maximum and minimum values were 26.7°F and 27.0°F respectively.

San Juan on the Weather Map

Best Time to Visit San Juan
The most sunny months:
June 10 days
March 9 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