Current Sea Water Temperature:
+87.0°F
| Maximum Sea Water Temperature in December: | 88.6°F |
| Minimum Sea Water Temperature in December: | 83.6°F |
| Average water temperature in December: | 85.7°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| December 25 | 87.0°F | December 20 | 87.0°F |
| December 24 | 87.0°F | December 19 | 87.0°F |
| December 23 | 86.8°F | December 18 | 87.4°F |
| December 22 | 86.8°F | December 17 | 87.2°F |
| December 21 | 86.8°F | December 16 | 87.4°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 August.
Average Water Temperature by Month, °F
Sea Water Temperature in October
The average sea surface temperature in October 2024 for San Juan was 91.1°F. The maximum and minimum values were 90.4°F and 92.0°F respectively.
Sea Water Temperature in September
The average sea surface temperature in September 2024 for San Juan was 90.5°F. The maximum and minimum values were 89.4°F and 92.0°F respectively.
Sea Water Temperature in August
The average sea surface temperature in August 2024 for San Juan was 89.2°F. The maximum and minimum values were 88.6°F and 90.2°F respectively.
Puerto Rico Resorts:
NAME
F°
| Aguadilla |  |
+82 |
| Arecibo |  |
+82 |
| Isabella | |
+82 |
| Mayaguez | |
+80 |
| Ponce | |
+84 |
| San Juan | |
+84 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
San Juan
Local time: 10:02
25 dec, wednesday
| 1200 |  |
84°F | W 11 mph |
| 1500 | |
84°F | W 12 mph |
| 1800 |  |
82°F | W 11 mph |
| 2100 | |
82°F | W 9 mph |
26 dec, thursday
| 0000 | |
82°F | W 8 mph |
| 0300 |  |
82°F | W 7 mph |
| 0600 | |
82°F | W 7 mph |
| 0900 |  |
84°F | W 8 mph |