Current Sea Water Temperature:
+84.2°F
| Maximum Sea Water Temperature in January: | 86.4°F |
| Minimum Sea Water Temperature in January: | 81.0°F |
| Average water temperature in January: | 84.1°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| January 19 | 84.2°F | January 14 | 85.0°F |
| January 18 | 84.0°F | January 13 | 84.8°F |
| January 17 | 84.2°F | January 12 | 84.8°F |
| January 16 | 84.4°F | January 11 | 84.6°F |
| January 15 | 84.6°F | January 10 | 84.8°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
The average sea surface temperature in September 2025 for Cozumel was 89.9°F. The maximum and minimum values were 88.8°F and 90.8°F respectively.
Sea Water Temperature in August
The average sea surface temperature in August 2025 for Cozumel was 89.6°F. The maximum and minimum values were 89.0°F and 90.2°F respectively.
Sea Water Temperature in October
The average sea surface temperature in October 2025 for Cozumel was 89.7°F. The maximum and minimum values were 88.6°F and 90.6°F respectively.
Mexico Resorts:
NAME
F°
| Acapulco |  |
+80 |
| Cabo San Lucas |  |
+74 |
| Cancun | |
+74 |
| Cozumel | |
+74 |
| La Paz |  |
+74 |
| Mazatlan | |
+80 |
| Nuevo Vallarta | |
+78 |
| Playa del Carmen | |
+72 |
| Playa Zipolite | |
+74 |
| Puerto Aventuras | |
+72 |
| Puerto Vallarta | |
+80 |
| Riviera Maya | |
+72 |
| San Jose del Cabo | |
+74 |
| Tijuana | |
+78 |
| Tulum | |
+72 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Cozumel
Local time: 22:31
20 jan, tuesday
| 0000 |  |
74°F | SW 12 mph |
| 0300 | |
74°F | SW 12 mph |
| 0600 | |
72°F | SW 13 mph |
| 0900 | |
72°F | SW 16 mph |
| 1200 | |
74°F | SW 16 mph |
| 1500 | |
76°F | S 14 mph |
| 1800 |  |
76°F | SW 17 mph |
| 2100 | |
78°F | SW 15 mph |