Measurements:
°C
°F
Mayaguez
76°F
W 9 mph
Feels like: 80°F
Precip: 0%
World Resorts Puerto Rico Mayaguez Weather

Mayaguez Sea Water Temperature

Current Sea Water Temperature:
+87.0°F
Maximum Sea Water Temperature in May: 89.8°F
Minimum Sea Water Temperature in May: 83.8°F
Average water temperature in May: 86.2°F

Sea Water Temperature for the Last 10 Days:

May 08 87.0°F May 03 86.6°F
May 07 87.0°F May 02 86.6°F
May 06 87.0°F May 01 86.4°F
May 05 86.8°F April 30 86.4°F
May 04 86.8°F April 29 86.4°F

When is the Warmest Sea for Mayaguez?

According to our data for the last three years for Mayaguez 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: 2025 2024 2023

The average sea surface temperature in September 2025 for Mayaguez was 90.1°F. The maximum and minimum values were 89.8°F and 90.6°F respectively.

Sea Water Temperature in October

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Mayaguez was 89.8°F. The maximum and minimum values were 88.6°F and 90.4°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Mayaguez was 89.1°F. The maximum and minimum values were 88.6°F and 89.8°F respectively.

Best Time to Visit Mayaguez
The most sunny months:
January 13 days
December 12 days
February 11 days
The most warm months:
August 91.6 °F
July 91.5 °F
September 91.1 °F
Warmest sea temperature:
September 89.2 °F
October 89.2 °F
August 88.5 °F
The most cold months:
January 85.6 °F
February 85.7 °F
March 85.8 °F
The most rainy months:
August 12 days
May 11 days
July 10 days
The most windy months:
December 9 mph
February 8 mph
January 8 mph

Mayaguez on the Weather Map

Puerto Rico Resorts:
NAME
Aguadilla +80
Arecibo +76
Isabella +78
Mayaguez +76
Ponce +74
San Juan +78
24 Hours Weather Forecast
Mayaguez
Local time: 02:01
09 may, saturday
0300 76°F
W
9 mph
0600 78°F
W
7 mph
0900 84°F
W
3 mph
1200 86°F
E
7 mph
1500 86°F
SE
3 mph
1800 84°F
SW
7 mph
2100 80°F
W
6 mph
10 may, sunday
0000 78°F
W
10 mph