Current Sea Water Temperature:
+86.8°F
| Maximum Sea Water Temperature in May: | 89.0°F |
| Minimum Sea Water Temperature in May: | 84.0°F |
| Average water temperature in May: | 86.5°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| May 10 | 86.8°F | May 05 | 86.2°F |
| May 09 | 86.2°F | May 04 | 85.6°F |
| May 08 | 86.6°F | May 03 | 86.2°F |
| May 07 | 86.6°F | May 02 | 86.0°F |
| May 06 | 86.0°F | May 01 | 86.4°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 |  |
+86 |
| Cabo San Lucas | |
+76 |
| Cancun | |
+84 |
| Ciudad del Carmen |  |
+88 |
| Cozumel | |
+84 |
| La Paz | |
+86 |
| Mazunte | |
+86 |
| Merida | |
+88 |
| Monte Gordo | |
+84 |
| Playa del Carmen | |
+82 |
| Puerto Vallarta | |
+72 |
| Purerto Escondido |  |
+86 |
| Rincon de Guayabitos | |
+78 |
| Riviera Maya | |
+82 |
| Tulum | |
+82 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Cozumel
Local time: 21:55
11 may, monday
| 0000 |  |
84°F | NW 12 mph |
| 0300 |  |
84°F | NW 10 mph |
| 0600 | |
84°F | NW 9 mph |
| 0900 |  |
86°F | NW 11 mph |
| 1200 |  |
88°F | NW 9 mph |
| 1500 | |
88°F | NW 10 mph |
| 1800 | |
86°F | NW 8 mph |
| 2100 |  |
84°F | W 6 mph |