Current sea water temperature:
+85.5°F
| Minimum sea water temperature in November: | 86.0°F |
| Maximum sea water temperature in November: | 82.2°F |
| Average sea water temperature in November: | 83.8°F |
| more information | |
14 days
forecast
forecast
| San Juan |
monthly
weather
weather
| San Juan |
Sea water temperature for the last 10 days:
| October 28 | 85.5°F | October 23 | 85.6°F |
| October 27 | 85.5°F | October 22 | 85.8°F |
| October 26 | 85.6°F | October 21 | 85.6°F |
| October 25 | 85.6°F | October 20 | 85.6°F |
| October 24 | 85.5°F | October 19 | 85.8°F |
Monthly sea water temperature, °F
When is the warmest sea in San Juan?
Based on the data about daily sea water temperature for the last three years the warmest sea in San Juan was noticed in October, September and August.
Monthly Sea Temperatures in San Juan, °F
Sea water temperature in October, °F
Show year:
2026
2025
2024
The average sea water temperature in October of 2026 was 85.6°F. The highest and lowest sea temperatures during the month were 86.2°F and 85.5°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 85.4°F. The highest and lowest sea temperatures during the month were 86.2°F and 84.2°F.
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 84.5°F. The highest and lowest sea temperatures during the month were 85.5°F and 83.8°F.
current
weather
weather
| San Juan |
weather in
November
November
| San Juan |
Best time for vacation in San Juan
San Juan on a weather map
Places in Puerto Rico:
Name
°F
24 Hours Forecast
San Juan
Local time: 08:37
November 05, thursday
0900

81°F
N
2 mph
2 mph
1200

84°F
S
6 mph
6 mph
1500

82°F
S
3 mph
3 mph
1800

82°F
SE
6 mph
6 mph
2100

81°F
SE
4 mph
4 mph
November 06, friday
0000

79°F
NE
2 mph
2 mph
0300

79°F
N
4 mph
4 mph
0600

79°F
N
5 mph
5 mph


























