Average sea water temperature in April:
+80.4°F
| Minimum sea water temperature in April: | 84.0°F |
| Maximum sea water temperature in April: | 79.0°F |
Daily sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 80.8°F. The highest and lowest sea temperatures during the month were 81.5°F and 80.2°F.
Monthly sea water temperature in Arecibo, °F
Which Puerto Rico resorts have warmest sea in April?
| Place name | April 2026 | April 2025 |
|---|---|---|
| Ponce | 81.8°F | 82.0°F |
| Mayaguez | 81.4°F | 81.7°F |
| Aguadilla | 81.3°F | 81.4°F |
| Isabella | 80.9°F | 81.3°F |
| Arecibo | 80.8°F | 81.1°F |
| San Juan | 80.8°F | 80.8°F |
Best time for vacation in Arecibo
Arecibo on a weather map
Places in Puerto Rico:
Name
°F
24 Hours Forecast
Arecibo
Local time: 17:22
April 26, sunday
1800

79°F
SE
2 mph
2 mph
2100

75°F
N
2 mph
2 mph
April 27, monday
0000

73°F
N
4 mph
4 mph
0300

72°F
N
4 mph
4 mph
0600

73°F
N
4 mph
4 mph
0900

79°F
SW
2 mph
2 mph
1200

82°F
SW
9 mph
9 mph
1500

81°F
S
5 mph
5 mph

























