Current sea water temperature:
+82.6°F
| Minimum sea water temperature in December: | 83.7°F |
| Maximum sea water temperature in December: | 80.1°F |
| Average sea water temperature in December: | 82.0°F |
| more information | |
14 days
forecast
forecast
| Cozumel |
monthly
weather
weather
| Cozumel |
Sea water temperature for the last 10 days:
| December 25 | 82.6°F | December 20 | 82.6°F |
| December 24 | 82.6°F | December 19 | 82.4°F |
| December 23 | 82.8°F | December 18 | 82.8°F |
| December 22 | 82.6°F | December 17 | 82.8°F |
| December 21 | 82.6°F | December 16 | 82.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Cozumel?
Based on the data about daily sea water temperature for the last three years the warmest sea in Cozumel was noticed in September, August and October.
Monthly Sea Temperatures in Cozumel, °F
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 85.9°F. The highest and lowest sea temperatures during the month were 86.7°F and 84.9°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 85.6°F. The highest and lowest sea temperatures during the month were 86.2°F and 85.1°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 85.7°F. The highest and lowest sea temperatures during the month were 86.5°F and 84.7°F.
current
weather
weather
| Cozumel |
weather in
December
December
| Cozumel |
Best time for vacation in Cozumel
Cozumel on a weather map
Places in Mexico:
Name
°F
24 Hours Forecast
Cozumel
Local time: 12:34
December 25, thursday
1500
79°F
SW
12 mph
12 mph
1800
77°F
W
10 mph
10 mph
2100
75°F
W
11 mph
11 mph
December 26, friday
0000
75°F
W
11 mph
11 mph
0300
75°F
W
9 mph
9 mph
0600
75°F
W
9 mph
9 mph
0900
77°F
W
12 mph
12 mph
1200
79°F
W
10 mph
10 mph
