Current sea water temperature:
+81.0°F
| Minimum sea water temperature in January: | 82.8°F |
| Maximum sea water temperature in January: | 77.9°F |
| Average sea water temperature in January: | 80.7°F |
| more information | |
14 days
forecast
forecast
| Cozumel |
monthly
weather
weather
| Cozumel |
Sea water temperature for the last 10 days:
| January 20 | 81.0°F | January 15 | 81.1°F |
| January 19 | 80.8°F | January 14 | 81.5°F |
| January 18 | 80.6°F | January 13 | 81.3°F |
| January 17 | 80.8°F | January 12 | 81.3°F |
| January 16 | 81.0°F | January 11 | 81.1°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
January
January
| Cozumel |
Best time for vacation in Cozumel
Cozumel on a weather map
Places in Mexico:
Name
°F
24 Hours Forecast
Cozumel
Local time: 08:09
January 20, tuesday
0900

72°F
SW
16 mph
16 mph
1200

72°F
SW
16 mph
16 mph
1500

73°F
S
14 mph
14 mph
1800

75°F
SW
17 mph
17 mph
2100

75°F
SW
15 mph
15 mph
January 21, wednesday
0000

75°F
SW
12 mph
12 mph
0300

75°F
SW
11 mph
11 mph
0600

75°F
SW
11 mph
11 mph






























