Measurements:
°C
°F
San Juan
80°F
W 17 mph
Feels like: 82°F
Precip: 21%
World Resorts Puerto Rico San Juan Weather

San Juan Sea Water Temperature

Current Sea Water Temperature:
+81.4°F
Maximum Sea Water Temperature in February: 84.0°F
Minimum Sea Water Temperature in February: 81.2°F
Average water temperature in February: 82.7°F

Sea Water Temperature for the Last 10 Days:

February 22 81.4°F February 17 81.6°F
February 21 81.6°F February 16 81.2°F
February 20 81.8°F February 15 81.4°F
February 19 82.0°F February 14 81.4°F
February 18 81.8°F February 13 82.4°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 August.

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 August

Select Year: 2017 2016 2015

The average sea surface temperature in August 2017 for San Juan was 88.0°F. The maximum and minimum values were 87.6°F and 88.8°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:
July 92.2 °F
August 92.0 °F
September 91.9 °F
Warmest sea temperature:
September 88.2 °F
October 88.2 °F
August 87.3 °F
The most cold months:
January 84.8 °F
February 84.9 °F
March 85.4 °F
The most rainy months:
November 6 days
October 5 days
August 5 days
The most windy months:
August 12 mph
July 12 mph
March 12 mph

San Juan on the Weather Map

Puerto Rico Resorts:
NAME
Aguadilla +80
Arecibo +78
Isabella +80
Mayaguez +80
San Juan +80
24 Hours Weather Forecast
San Juan
Local time: 19:02
22 feb, thursday
2100 78°F
W
16 mph
23 feb, friday
0000 76°F
W
14 mph
0300 76°F
W
14 mph
0600 76°F
W
11 mph
0900 78°F
W
17 mph
1200 82°F
W
16 mph
1500 82°F
W
17 mph
1800 80°F
W
14 mph