Measurements:
°C
°F
San Juan
84°F
W 12 mph
Feels like: 92°F
Precip: 23%
World Resorts Puerto Rico San Juan Weather

San Juan Sea Water Temperature

Current Sea Water Temperature:
+87.6°F
Maximum Sea Water Temperature in August: 88.8°F
Minimum Sea Water Temperature in August: 86.0°F
Average water temperature in August: 87.3°F

Sea Water Temperature for the Last 10 Days:

August 16 87.6°F August 11 87.4°F
August 15 87.4°F August 10 87.6°F
August 14 87.6°F August 09 87.4°F
August 13 87.6°F August 08 87.4°F
August 12 87.6°F August 07 87.0°F

When is the Warmest Sea for San Juan?

According to our data for the last three years for San Juan the highest average sea water temperature was in September, October and November.

Average Water Temperature by Month, °F

Sea Water Temperature in September

Select Year: 2017 2016 2015

The average sea surface temperature in September 2017 for San Juan was 87.9°F. The maximum and minimum values were 86.2°F and 89.0°F respectively.

Sea Water Temperature in October

Select Year: 2017 2016 2015

The average sea surface temperature in October 2017 for San Juan was 87.1°F. The maximum and minimum values were 86.4°F and 87.6°F respectively.

Sea Water Temperature in November

Select Year: 2017 2016 2015

The average sea surface temperature in November 2017 for San Juan was 86.9°F. The maximum and minimum values were 86.4°F and 87.6°F respectively.

Best Time to Visit San Juan
The most sunny months:
March 14 days
June 14 days
October 13 days
The most warm months:
August 92.0 °F
September 91.9 °F
July 91.7 °F
Warmest sea temperature:
September 88.2 °F
October 88.2 °F
November 87.3 °F
The most cold months:
February 84.6 °F
January 84.8 °F
March 85.3 °F
The most rainy months:
November 6 days
October 5 days
August 5 days
The most windy months:
August 12 mph
July 12 mph
December 12 mph

San Juan on the Weather Map

Puerto Rico Resorts:
NAME
Aguadilla +82
Arecibo +82
Isabella +82
Mayaguez +82
San Juan +84
24 Hours Weather Forecast
San Juan
Local time: 08:03
16 aug, thursday
0900 86°F
W
14 mph
1200 88°F
W
14 mph
1500 88°F
W
15 mph
1800 86°F
W
13 mph
2100 84°F
W
11 mph
17 aug, friday
0000 84°F
W
11 mph
0300 84°F
W
9 mph
0600 82°F
W
7 mph