Measurements:
°C
°F
Mayaguez
86°F
S 6 mph
Feels like: 92°F
Precip: 100%
World Resorts Puerto Rico Mayaguez Weather

Mayaguez Sea Water Temperature

Current Sea Water Temperature:
+86.4°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 29 86.4°F May 24 86.4°F
May 28 86.2°F May 23 86.4°F
May 27 86.4°F May 22 86.6°F
May 26 86.4°F May 21 86.8°F
May 25 86.6°F May 20 86.8°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 10 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 +86
Arecibo +86
Isabella +86
Mayaguez +86
Ponce +88
San Juan +90
24 Hours Weather Forecast
Mayaguez
Local time: 14:05
29 may, friday
1500 86°F
S
6 mph
1800 84°F
S
6 mph
2100 82°F
N
5 mph
30 may, saturday
0000 80°F
NW
8 mph
0300 78°F
NW
6 mph
0600 80°F
W
7 mph
0900 86°F
NW
6 mph
1200 90°F
N
4 mph