Measurements:
°C
°F
Isla Mujeres
74°F
S 6 mph
Feels like: 78°F
Precip: 0%
World Resorts Mexico Isla Mujeres Weather

Isla Mujeres Sea Water Temperature

Current Sea Water Temperature:
+82.8°F
Maximum Sea Water Temperature in January: 85.2°F
Minimum Sea Water Temperature in January: 81.6°F
Average water temperature in January: 83.4°F

Sea Water Temperature for the Last 10 Days:

January 30 82.8°F January 25 83.2°F
January 29 82.8°F January 24 83.8°F
January 28 83.0°F January 23 83.4°F
January 27 83.4°F January 22 83.2°F
January 26 84.0°F January 21 83.2°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: 2025 2024 2023

The average sea surface temperature in August 2025 for Isla Mujeres was 88.8°F. The maximum and minimum values were 87.8°F and 89.6°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 8 days
March 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
December 83.0 °F
February 83.1 °F
The most rainy months:
June 5 days
August 4 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: 09:37
30 jan, friday
1200 78°F
S
8 mph
1500 80°F
S
11 mph
1800 78°F
S
11 mph
2100 70°F
S
9 mph
31 jan, saturday
0000 68°F
S
6 mph
0300 68°F
SE
5 mph
0600 66°F
E
7 mph
0900 72°F
E
11 mph