Current sea water temperature:
+83.7°F
| Minimum sea water temperature in May: | 85.1°F |
| Maximum sea water temperature in May: | 80.6°F |
| Average sea water temperature in May: | 82.9°F |
| more information | |
14 days
forecast
forecast
| Cozumel |
monthly
weather
weather
| Cozumel |
Sea water temperature for the last 10 days:
| May 16 | 83.7°F | May 11 | 82.8°F |
| May 15 | 83.1°F | May 10 | 83.1°F |
| May 14 | 83.1°F | May 9 | 82.6°F |
| May 13 | 83.3°F | May 8 | 82.9°F |
| May 12 | 83.3°F | May 7 | 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
May
May
| Cozumel |
Best time for vacation in Cozumel
Cozumel on a weather map
Places in Mexico:
Name
°F
24 Hours Forecast
Cozumel
Local time: 19:40
May 16, saturday
2100
81°F
W
10 mph
10 mph
May 17, sunday
0000
81°F
NW
12 mph
12 mph
0300
81°F
NW
12 mph
12 mph
0600
81°F
NW
11 mph
11 mph
0900
82°F
W
12 mph
12 mph
1200
84°F
NW
12 mph
12 mph
1500
86°F
NW
11 mph
11 mph
1800
82°F
W
10 mph
10 mph
