Average sea water temperature in October:
+84.8°F
| Minimum sea water temperature in October: | 87.3°F |
| Maximum sea water temperature in October: | 82.9°F |
Daily sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 85.4°F. The highest and lowest sea temperatures during the month were 85.8°F and 84.6°F.
Monthly sea water temperature in Arecibo, °F
Which Puerto Rico resorts have warmest sea in October?
| Place name | October 2025 | October 2024 |
|---|---|---|
| Mayaguez | 85.8°F | 87.0°F |
| Aguadilla | 85.8°F | 87.0°F |
| Ponce | 85.7°F | 87.1°F |
| San Juan | 85.5°F | 87.0°F |
| Isabella | 85.5°F | 86.7°F |
| Arecibo | 85.4°F | 86.6°F |
Best time for vacation in Arecibo
Arecibo on a weather map
Places in Puerto Rico:
Name
°F
24 Hours Forecast
Arecibo
Local time: 15:40
April 26, sunday
1800

79°F
SE
2 mph
2 mph
2100

75°F
N
2 mph
2 mph
April 27, monday
0000

73°F
N
4 mph
4 mph
0300

72°F
N
4 mph
4 mph
0600

73°F
N
4 mph
4 mph
0900

79°F
SW
2 mph
2 mph
1200

82°F
SW
9 mph
9 mph
1500

81°F
S
5 mph
5 mph


























