Measurements:
°C
°F
Arecibo
80°F
N 4 mph
Feels like: 84°F
Precip: 10%
World Resorts Puerto Rico Arecibo Weather

Arecibo Sea Water Temperature

Current Sea Water Temperature:
+89.6°F
Maximum Sea Water Temperature in October: 91.4°F
Minimum Sea Water Temperature in October: 86.6°F
Average water temperature in October: 88.7°F

Sea Water Temperature for the Last 10 Days:

October 18 89.6°F October 13 89.2°F
October 17 89.8°F October 12 89.4°F
October 16 89.6°F October 11 89.6°F
October 15 89.4°F October 10 89.8°F
October 14 89.4°F October 09 89.6°F

When is the Warmest Sea for Arecibo?

According to our data for the last three years for Arecibo the highest average sea water temperature was in September, October and August.

Average Water Temperature by Month, °F

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Arecibo was 89.5°F. The maximum and minimum values were 88.8°F and 90.6°F respectively.

Sea Water Temperature in October

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Arecibo was 89.6°F. The maximum and minimum values were 89.2°F and 89.8°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Arecibo was 87.9°F. The maximum and minimum values were 86.8°F and 88.8°F respectively.

Best Time to Visit Arecibo
The most sunny months:
June 11 days
January 10 days
March 9 days
The most warm months:
September 91.0 °F
August 91.0 °F
July 90.6 °F
Warmest sea temperature:
September 88.7 °F
October 88.7 °F
August 87.8 °F
The most cold months:
February 84.3 °F
January 84.4 °F
March 84.7 °F
The most rainy months:
May 9 days
September 7 days
June 6 days
The most windy months:
July 12 mph
February 11 mph
August 11 mph

Arecibo on the Weather Map

Puerto Rico Resorts:
NAME
F°
Aguadilla +84
Arecibo +80
Isabella +80
Mayaguez +84
Ponce +78
San Juan +82
24 Hours Weather Forecast
Arecibo
Local time: 02:45
19 oct, monday
0300 80°F
N
4 mph
0600 78°F
NW
4 mph
0900 84°F
W
4 mph
1200 88°F
SW
9 mph
1500 88°F
W
9 mph
1800 82°F
W
9 mph
2100 82°F
NW
4 mph
20 oct, tuesday
0000 80°F
NW
5 mph