World Resorts Mexico Cancun Weather

Cancun Sea Temperature in July

Average sea water temperature in July:
+84.4°F
Minimum sea water temperature in July: 86.2°F
Maximum sea water temperature in July: 81.5°F

Daily sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 84.5°F. The highest and lowest sea temperatures during the month were 85.8°F and 83.7°F.

Monthly sea water temperature in Cancun, °F

Which Mexico resorts have warmest sea in July?

Place name July 2025 July 2024
San Blas 87.8°F 86.2°F
Nuevo Vallarta 87.5°F 85.5°F
La Penita de Jaltemba 87.5°F 86.0°F
Rincon de Guayabitos 87.5°F 86.0°F
Puerto Vallarta 87.5°F 85.5°F
Puerto Arista 87.5°F 87.0°F
San Pancho 87.3°F 85.6°F
Sayulita 87.2°F 85.5°F
Punta Mita 87.2°F 85.2°F
Punta Villela 87.2°F 85.2°F
Manzaltan 86.7°F 85.0°F
Mazatlan 86.7°F 85.0°F
Luces en el Mar 86.6°F 86.2°F
Acapulco 86.5°F 86.3°F
Barra de Potosi 86.4°F 85.5°F
Zihuatanejo 86.3°F 85.5°F
Troncones 86.2°F 85.3°F
Manzanillo 86.2°F 83.5°F
Playa Azul 86.2°F 83.5°F
San Patricio 86.1°F 83.8°F

Best time for vacation in Cancun

Sunniest months:
July 15 days
April 15 days
May 14 days
Warmest months:
August 88.8 °F
July 88.7 °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 80.6 °F
December 80.9 °F
Rainiest months:
October 8 days
September 8 days
June 7 days
Windiest months:
March 11.8 mph
April 11.5 mph
May 10.8 mph

Cancun on a weather map

Cancun
+79°F
W 9 mph
Feels like: +86°F
Precip.: 0%
Places in Mexico:
Name
°F
+75°F
+79°F
+79°F
+72°F
+77°F
+72°F
+73°F
+79°F
+75°F
+77°F
+79°F
24 Hours Forecast
Cancun
Local time: 23:52
December 05, friday
0000
79°F
W
9 mph
0300
77°F
W
8 mph
0600
77°F
W
9 mph
0900
79°F
W
7 mph
1200
86°F
W
11 mph
1500
90°F
NW
9 mph
1800
82°F
NW
8 mph
2100
79°F
NW
8 mph
Units of measurement: °C / °F