Measurements:
°C
°F
San Juan
86°F
W 15 mph
Feels like: 92°F
Precip: 22%
World Resorts Puerto Rico San Juan Weather

San Juan Sea Water Temperature

Current Sea Water Temperature:
+83.2°F
Maximum Sea Water Temperature in May: 86.0°F
Minimum Sea Water Temperature in May: 82.2°F
Average water temperature in May: 84.2°F

Sea Water Temperature for the Last 10 Days:

May 24 83.2°F May 19 82.4°F
May 23 83.0°F May 18 82.6°F
May 22 82.4°F May 17 82.4°F
May 21 82.2°F May 16 82.4°F
May 20 82.4°F May 15 82.8°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.

Puerto Rico Sea Water Temperature by Month

January
February
March
April
May
June
July
August
September
October
November
December
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
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 +86
Arecibo +88
Isabella +86
Mayaguez +88
San Juan +86
24 Hours Weather Forecast
San Juan
Local time: 15:29
24 may, thursday
1800 84°F
W
14 mph
2100 82°F
W
9 mph
25 may, friday
0000 80°F
W
8 mph
0300 80°F
W
9 mph
0600 80°F
W
8 mph
0900 82°F
W
14 mph
1200 84°F
W
14 mph
1500 86°F
W
15 mph