Average sea water temperature in January:
+80.6°F
| Minimum sea water temperature in January: | 82.4°F |
| Maximum sea water temperature in January: | 78.6°F |
Daily sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 81.3°F. The highest and lowest sea temperatures during the month were 81.7°F and 81.0°F.
Monthly sea water temperature in Arecibo, °F
Which Puerto Rico resorts have warmest sea in January?
| Place name | January 2026 | January 2025 |
|---|---|---|
| San Juan | 81.5°F | 81.5°F |
| Aguadilla | 81.5°F | 81.9°F |
| Arecibo | 81.3°F | 81.4°F |
| Isabella | 81.3°F | 81.6°F |
| Mayaguez | 81.3°F | 81.8°F |
| Ponce | 81.2°F | 81.8°F |
Best time for vacation in Arecibo
Arecibo on a weather map
Places in Puerto Rico:
Name
°F
24 Hours Forecast
Arecibo
Local time: 22:59
October 08, thursday
0000

77°F
NW
7 mph
7 mph
0300

77°F
NW
6 mph
6 mph
0600

77°F
NW
6 mph
6 mph
0900

82°F
W
7 mph
7 mph
1200

84°F
SW
14 mph
14 mph
1500

86°F
W
11 mph
11 mph
1800

82°F
W
6 mph
6 mph
2100

79°F
W
11 mph
11 mph



























