World Resorts Mexico Cancun Weather

Cancun Sea Temperature in August

Average sea water temperature in August:
+85.1°F
Minimum sea water temperature in August: 87.1°F
Maximum sea water temperature in August: 83.5°F

Daily sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 85.2°F. The highest and lowest sea temperatures during the month were 86.2°F and 83.8°F.

Monthly sea water temperature in Cancun, °F

Which Mexico resorts have warmest sea in August?

Place name August 2026 August 2025
San Blas 89.6°F 88.3°F
Puerto Arista 89.2°F 87.8°F
La Penita de Jaltemba 89.1°F 87.5°F
Rincon de Guayabitos 89.1°F 87.5°F
Manzaltan 89.1°F 87.7°F
Mazatlan 89.1°F 87.7°F
San Pancho 88.8°F 87.5°F
Sayulita 88.7°F 87.4°F
Punta Mita 88.6°F 87.5°F
Punta Villela 88.6°F 87.5°F
Nuevo Vallarta 88.6°F 87.4°F
Puerto Vallarta 88.6°F 87.4°F
Barra de Potosi 88.6°F 86.7°F
Troncones 88.5°F 86.5°F
San Patricio 88.5°F 86.7°F
Manzanillo 88.4°F 86.7°F
Playa Azul 88.4°F 86.7°F
La Manzanilla 88.4°F 86.6°F
Costa Careyes 88.3°F 86.6°F
Ciudad Lazaro Cardenas 88.3°F 86.4°F

Best time for vacation in Cancun

Sunniest months:
July 15 days
April 15 days
May 13 days
Warmest months:
August 88.7 °F
July 88.6 °F
September 87.5 °F
Warmest sea temp:
August 85.1 °F
September 84.8 °F
July 84.4 °F
Coldest months:
January 78.9 °F
February 80.5 °F
December 81.0 °F
Rainiest months:
October 8 days
September 8 days
June 7 days
Windiest months:
March 11.6 mph
April 11.3 mph
May 10.7 mph

Cancun on a weather map

Cancun
+84°F
W 9 mph
Feels like: +93°F
Precip.: 12%
Places in Mexico:
Name
°F
24 Hours Forecast
Cancun
Local time: 09:53
September 14, monday
1200
86°F
W
9 mph
1500
86°F
W
10 mph
1800
84°F
SW
9 mph
2100
82°F
SW
8 mph
September 15, tuesday
0000
82°F
SW
7 mph
0300
81°F
SW
7 mph
0600
82°F
SW
8 mph
0900
84°F
SW
9 mph
Units of measurement: °C / °F