Current Sea Water Temperature:
+86.8°F
| Maximum Sea Water Temperature in December: | 87.4°F |
| Minimum Sea Water Temperature in December: | 83.4°F |
| Average water temperature in December: | 85.5°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| December 04 | 86.8°F | November 29 | 87.0°F |
| December 03 | 86.6°F | November 28 | 87.4°F |
| December 02 | 87.2°F | November 27 | 87.2°F |
| December 01 | 87.0°F | November 26 | 87.4°F |
| November 30 | 87.0°F | November 25 | 87.6°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 |  |
+78 |
| Cabo San Lucas |  |
+72 |
| Cancun |  |
+80 |
| Cozumel | |
+82 |
| La Paz | |
+72 |
| Mazatlan | |
+76 |
| Playa del Carmen | |
+82 |
| Playa Zipolite | |
+76 |
| Puerto Angel | |
+76 |
| Puerto Vallarta | |
+70 |
| Punta Mita | |
+74 |
| Riviera Maya | |
+82 |
| San Blas | |
+74 |
| San Patricio | |
+80 |
| Tulum | |
+82 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Cozumel
Local time: 02:19
05 dec, friday
| 0300 |  |
82°F | W 9 mph |
| 0600 | |
82°F | W 9 mph |
| 0900 |  |
82°F | W 8 mph |
| 1200 | |
88°F | W 11 mph |
| 1500 | |
88°F | W 10 mph |
| 1800 | |
84°F | NW 9 mph |
| 2100 |  |
82°F | NW 8 mph |
06 dec, saturday
| 0000 |  |
80°F | NW 8 mph |