Measurements:
°C
°F
Isla Mujeres
90°F
NW 11 mph
Feels like: 100°F
Precip: 6%
World Resorts Mexico Isla Mujeres Weather

Isla Mujeres Sea Water Temperature

Current Sea Water Temperature:
+89.2°F
Maximum Sea Water Temperature in September: 90.6°F
Minimum Sea Water Temperature in September: 87.0°F
Average water temperature in September: 88.6°F

Sea Water Temperature for the Last 10 Days:

September 12 89.2°F September 07 89.6°F
September 11 89.4°F September 06 89.6°F
September 10 87.8°F September 05 89.2°F
September 09 88.4°F September 04 89.6°F
September 08 88.2°F September 03 88.8°F

When is the Warmest Sea for Isla Mujeres?

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

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Isla Mujeres was 88.5°F. The maximum and minimum values were 86.8°F and 89.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Isla Mujeres was 88.6°F. The maximum and minimum values were 87.8°F and 89.2°F respectively.

Sea Water Temperature in October

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Isla Mujeres was 88.9°F. The maximum and minimum values were 88.0°F and 89.4°F respectively.

Best Time to Visit Isla Mujeres
The most sunny months:
April 13 days
July 9 days
May 7 days
The most warm months:
July 91.8 °F
August 91.5 °F
September 90.8 °F
Warmest sea temperature:
August 88.7 °F
September 88.6 °F
October 88.4 °F
The most cold months:
January 81.7 °F
February 82.8 °F
December 83.0 °F
The most rainy months:
June 5 days
August 3 days
September 3 days
The most windy months:
April 11 mph
March 11 mph
February 10 mph

Isla Mujeres on the Weather Map

24 Hours Weather Forecast
Isla Mujeres
Local time: 08:45
12 sep, saturday
0900 90°F
NW
11 mph
1200 92°F
NW
10 mph
1500 92°F
NW
11 mph
1800 90°F
W
10 mph
2100 88°F
W
12 mph
13 sep, sunday
0000 88°F
NW
11 mph
0300 88°F
NW
12 mph
0600 88°F
NW
11 mph