Current sea water temperature:
+82.0°F
| Minimum sea water temperature in May: | 84.9°F |
| Maximum sea water temperature in May: | 79.9°F |
| Average sea water temperature in May: | 81.7°F |
| more information | |
14 days
forecast
forecast
| Arecibo |
monthly
weather
weather
| Arecibo |
Sea water temperature for the last 10 days:
| May 22 | 82.0°F | May 17 | 82.4°F |
| May 21 | 81.7°F | May 16 | 82.4°F |
| May 20 | 81.9°F | May 15 | 82.4°F |
| May 19 | 82.0°F | May 14 | 82.2°F |
| May 18 | 82.2°F | May 13 | 81.9°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
May
May
| Arecibo |
Best time for vacation in Arecibo
Arecibo on a weather map
Places in Puerto Rico:
Name
°F
24 Hours Forecast
Arecibo
Local time: 08:30
May 22, friday
0900

82°F
W
11 mph
11 mph
1200

82°F
SW
19 mph
19 mph
1500

81°F
W
22 mph
22 mph
1800

79°F
W
14 mph
14 mph
2100

77°F
W
11 mph
11 mph
May 23, saturday
0000

75°F
W
9 mph
9 mph
0300

73°F
NW
9 mph
9 mph
0600

75°F
NW
8 mph
8 mph


























