Measurements:
°C
°F
CURRENT WEATHER
03:23
San Juan
82°F
NW 7 mph
Feels like: 88°F
Precip: 0%
World Resorts Puerto Rico San Juan Weather

7 Day Weather Forecast

12.05
fri
DAY
86°F
W 16 mph
precip
0%
NIGHT
82°F
W 12 mph
precip
0%
12.06
sat
DAY
86°F
W 14 mph
precip
0%
NIGHT
82°F
W 10 mph
precip
0%
12.07
sun
DAY
86°F
W 14 mph
precip
0%
NIGHT
80°F
NW 6 mph
precip
66%
12.08
mon
DAY
88°F
W 10 mph
precip
87%
NIGHT
78°F
NW 5 mph
precip
0%
12.09
tue
DAY
86°F
W 11 mph
precip
0%
NIGHT
80°F
W 7 mph
precip
57%
12.10
wed
DAY
86°F
W 16 mph
precip
100%
NIGHT
80°F
NW 11 mph
precip
100%
12.11
thu
DAY
86°F
W 15 mph
precip
100%
NIGHT
80°F
W 12 mph
precip
100%

San Juan Sea Water Temperature in December, °F

Select Year: 2024 2023 2022

The average sea surface temperature in December 2024 for San Juan was 28.7°F. The maximum and minimum values were 28.0°F and 29.3°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