Current sea water temperature:
+82.4°F
| Minimum sea water temperature in December: | 84.6°F |
| Maximum sea water temperature in December: | 80.4°F |
| Average sea water temperature in December: | 82.1°F |
| more information | |
14 days
forecast
forecast
| Arecibo |
monthly
weather
weather
| Arecibo |
Sea water temperature for the last 10 days:
| December 18 | 82.4°F | December 13 | 82.9°F |
| December 17 | 82.8°F | December 12 | 82.8°F |
| December 16 | 82.6°F | December 11 | 82.6°F |
| December 15 | 82.9°F | December 10 | 82.8°F |
| December 14 | 82.8°F | December 9 | 83.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Arecibo?
Based on the data about daily sea water temperature for the last three years the warmest sea in Arecibo was noticed in October, September and August.
Monthly Sea Temperatures in Arecibo, °F
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.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 85.8°F. The highest and lowest sea temperatures during the month were 86.2°F and 85.3°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 84.6°F. The highest and lowest sea temperatures during the month were 85.1°F and 84.2°F.
current
weather
weather
| Arecibo |
weather in
December
December
| Arecibo |
Best time for vacation in Arecibo
Arecibo on a weather map
Places in Puerto Rico:
Name
°F
24 Hours Forecast
Arecibo
Local time: 21:54
December 19, friday
0000

77°F
W
10 mph
10 mph
0300

77°F
NW
8 mph
8 mph
0600

77°F
NW
7 mph
7 mph
0900

79°F
W
13 mph
13 mph
1200

86°F
SW
16 mph
16 mph
1500

84°F
SW
17 mph
17 mph
1800

77°F
W
16 mph
16 mph
2100

75°F
W
11 mph
11 mph

























