Measurements:
°C
°F
Cozumel
78°F
SE 2 mph
Feels like: 82°F
Precip: 33%
World Resorts Mexico Cozumel Weather

Cozumel Sea Water Temperature

Current Sea Water Temperature:
+88.4°F
Maximum Sea Water Temperature in November: 89.4°F
Minimum Sea Water Temperature in November: 83.8°F
Average water temperature in November: 87.2°F

Sea Water Temperature for the Last 10 Days:

November 12 88.4°F November 07 89.0°F
November 11 89.0°F November 06 88.4°F
November 10 88.8°F November 05 88.8°F
November 09 88.6°F November 04 88.4°F
November 08 88.8°F November 03 88.8°F

When is the Warmest Sea for Cozumel?

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

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 Cozumel was 90.1°F. The maximum and minimum values were 89.6°F and 90.8°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Cozumel was 89.3°F. The maximum and minimum values were 88.4°F and 90.0°F respectively.

Sea Water Temperature in October

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Cozumel was 89.0°F. The maximum and minimum values were 88.0°F and 89.8°F respectively.

Best Time to Visit Cozumel
The most sunny months:
July 12 days
April 12 days
August 11 days
The most warm months:
August 91.7 °F
July 91.6 °F
September 91.0 °F
Warmest sea temperature:
September 89.3 °F
August 89.0 °F
October 88.8 °F
The most cold months:
January 82.3 °F
February 83.6 °F
December 84.4 °F
The most rainy months:
October 9 days
September 8 days
June 8 days
The most windy months:
March 10 mph
January 10 mph
June 10 mph

Cozumel on the Weather Map

Mexico Resorts:
NAME
F°
Acapulco +80
Cabo San Lucas +78
Cancun +76
Cozumel +78
Ensenada +66
La Paz +76
Manzaltan +74
Merida +76
Monte Gordo +74
Playa del Carmen +76
Puerto Vallarta +74
Riviera Maya +76
Tijuana +64
Tulum +76
Veracruz +76
24 Hours Weather Forecast
Cozumel
Local time: 04:26
12 nov, thursday
0600 76°F
SE
3 mph
0900 82°F
S
3 mph
1200 84°F
SW
2 mph
1500 84°F
SW
3 mph
1800 78°F
S
4 mph
2100 76°F
S
4 mph
13 nov, friday
0000 76°F
SE
4 mph
0300 74°F
SE
4 mph