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: 13:13
July 17, friday
1500

88°F
SW
24 mph
24 mph
1800

84°F
W
23 mph
23 mph
2100

81°F
W
17 mph
17 mph
July 18, saturday
0000

77°F
W
12 mph
12 mph
0300

75°F
NW
8 mph
8 mph
0600

75°F
NW
9 mph
9 mph
0900

84°F
W
14 mph
14 mph
1200

86°F
SW
21 mph
21 mph



























