Measurements:
°C
°F
CURRENT WEATHER
22:48
San Juan
82°F
W 8 mph
Feels like: 88°F
Precip: 0%
World Resorts Puerto Rico San Juan Weather

7 Day Weather Forecast

12.25
wed
DAY
86°F
W 9 mph
precip
0%
NIGHT
82°F
W 8 mph
precip
0%
12.26
thu
DAY
86°F
W 11 mph
precip
0%
NIGHT
82°F
W 7 mph
precip
100%
12.27
fri
DAY
84°F
W 10 mph
precip
0%
NIGHT
82°F
SW 9 mph
precip
0%
12.28
sat
DAY
82°F
SW 13 mph
precip
100%
NIGHT
78°F
SW 14 mph
precip
100%
12.29
sun
DAY
80°F
SW 13 mph
precip
85%
NIGHT
76°F
SW 9 mph
precip
66%
12.30
mon
DAY
80°F
W 7 mph
precip
26%
NIGHT
74°F
NW 7 mph
precip
100%
12.31
tue
DAY
80°F
W 12 mph
precip
100%
NIGHT
76°F
SW 8 mph
precip
0%

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 28.8°F. The maximum and minimum values were 28.4°F and 29.3°F respectively.

San Juan on the Weather Map

Best Time to Visit San Juan
The most sunny months:
March 10 days
June 10 days
October 9 days
The most warm months:
September 91.2 °F
August 91.1 °F
July 90.7 °F
Warmest sea temperature:
October 88.8 °F
September 88.7 °F
August 87.7 °F
The most cold months:
February 83.9 °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
August 12 mph
more details