Average sea water temperature in August:
+84.0°F
| Minimum sea water temperature in August: | 86.0°F |
| Maximum sea water temperature in August: | 82.6°F |
Daily sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 84.1°F. The highest and lowest sea temperatures during the month were 84.9°F and 83.1°F.
Monthly sea water temperature in Arecibo, °F
Which Puerto Rico resorts have warmest sea in August?
| Place name | August 2026 | August 2025 |
|---|---|---|
| Mayaguez | 85.3°F | 85.2°F |
| Ponce | 85.1°F | 85.4°F |
| Aguadilla | 84.8°F | 85.0°F |
| San Juan | 84.5°F | 84.8°F |
| Isabella | 84.4°F | 84.7°F |
| Arecibo | 84.1°F | 84.6°F |
Best time for vacation in Arecibo
Arecibo on a weather map
Places in Puerto Rico:
Name
°F
24 Hours Forecast
Arecibo
Local time: 03:36
September 17, thursday
0600

79°F
NW
7 mph
7 mph
0900

82°F
W
10 mph
10 mph
1200

90°F
W
15 mph
15 mph
1500

88°F
W
17 mph
17 mph
1800

84°F
W
12 mph
12 mph
2100

81°F
W
11 mph
11 mph
September 18, friday
0000

81°F
NW
9 mph
9 mph
0300

81°F
NW
6 mph
6 mph


























