Measurements:
°C
°F
San Juan
82°F
W 4 mph
Feels like: 86°F
Precip: 0%
World Resorts Puerto Rico San Juan Weather

San Juan Sea Water Temperature

Current Sea Water Temperature:
+87.8°F
Maximum Sea Water Temperature in October: 89.4°F
Minimum Sea Water Temperature in October: 86.4°F
Average water temperature in October: 88.2°F

Sea Water Temperature for the Last 10 Days:

October 15 87.8°F October 10 88.0°F
October 14 87.8°F October 09 88.2°F
October 13 87.8°F October 08 87.8°F
October 12 87.8°F October 07 88.0°F
October 11 88.0°F October 06 88.4°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 October, September and November.

Average Water Temperature by Month, °F

Sea Water Temperature in October

Select Year: 2018 2017 2016

The average sea surface temperature in October 2018 for San Juan was 88.0°F. The maximum and minimum values were 87.6°F and 88.6°F respectively.

Sea Water Temperature in September

Select Year: 2018 2017 2016

The average sea surface temperature in September 2018 for San Juan was 88.0°F. The maximum and minimum values were 87.2°F and 89.2°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:
July 91.7 °F
August 91.6 °F
September 91.4 °F
Warmest sea temperature:
October 88.2 °F
September 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
April 4 days
The most windy months:
July 12 mph
August 12 mph
December 12 mph

San Juan on the Weather Map

Puerto Rico Resorts:
NAME
Aguadilla +82
Arecibo +82
Isabella +80
Mayaguez +82
San Juan +82
24 Hours Weather Forecast
San Juan
Local time: 07:17
15 oct, monday
0900 86°F
W
12 mph
1200 88°F
W
14 mph
1500 86°F
W
14 mph
1800 84°F
W
11 mph
2100 84°F
W
10 mph
16 oct, tuesday
0000 82°F
W
7 mph
0300 82°F
W
9 mph
0600 82°F
W
7 mph