Current Sea Water Temperature:
+88.8°F
| Maximum Sea Water Temperature in August: | 91.2°F |
| Minimum Sea Water Temperature in August: | 87.2°F |
| Average water temperature in August: | 88.9°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| August 19 | 88.8°F | August 14 | 89.6°F |
| August 18 | 88.8°F | August 13 | 90.2°F |
| August 17 | 89.6°F | August 12 | 89.0°F |
| August 16 | 89.6°F | August 11 | 89.6°F |
| August 15 | 89.2°F | August 10 | 88.2°F |
When is the Warmest Sea for Cancun?
According to our data for the last three years for Cancun the highest average sea water temperature was in August, September and July.
Average Water Temperature by Month, °F
Sea Water Temperature in August
The average sea surface temperature in August 2026 for Cancun was 88.9°F. The maximum and minimum values were 87.6°F and 90.2°F respectively.
Sea Water Temperature in September
The average sea surface temperature in September 2025 for Cancun was 88.8°F. The maximum and minimum values were 88.2°F and 89.8°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2026 for Cancun was 88.4°F. The maximum and minimum values were 87.0°F and 89.2°F respectively.
Mexico Resorts:
NAME
F°
| Acapulco | ![]() |
+88 |
| Brisas de Zicatela | ![]() |
+88 |
| Cabo San Lucas | ![]() |
+94 |
| Cancun | ![]() |
+90 |
| Ciudad Lazaro Cardenas | ![]() |
+96 |
| La Paz | ![]() |
+96 |
| La Penita de Jaltemba | ![]() |
+90 |
| Luces en el Mar | ![]() |
+88 |
| Monte Gordo | ![]() |
+92 |
| Playa del Carmen | ![]() |
+96 |
| Puerto Aventuras | ![]() |
+96 |
| Puerto Vallarta | ![]() |
+90 |
| Riviera Maya | ![]() |
+96 |
| San Jose del Cabo | ![]() |
+96 |
| Tulum | ![]() |
+98 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Cancun
Local time: 13:11
19 aug, wednesday
| 1500 | ![]() |
90°F | W 9 mph |
| 1800 | ![]() |
90°F | W 8 mph |
| 2100 | ![]() |
86°F | W 7 mph |
20 aug, thursday
| 0000 | ![]() |
86°F | W 9 mph |
| 0300 | ![]() |
86°F | W 7 mph |
| 0600 | ![]() |
86°F | W 8 mph |
| 0900 | ![]() |
90°F | W 8 mph |
| 1200 | ![]() |
90°F | W 8 mph |


































