Weather at Mexico Beaches in August

This page pulls together weather information for August at popular resort beaches in Mexico.

You can compare this month's averages for temperature, total rainfall and ocean temperature at vacation spots along the Pacific Ocean and the Caribbean Sea.

The temperatures here are in degrees Fahrenheit and Celsius. Total rainfall is given in days, inches and millimetres.

August is the year's hottest month for all of Mexico's beaches, in both the cities and the water. It can also be a stormy month, as activity intensifies for hurricanes over the Atlantic and for tropical cyclones over the Pacific.

Temperature

Average August temperatures

High °F	Low °F	Beach	High °C	Low °C
		Pacific Beaches
95	75	Cabo San Lucas	35	24
88	77	Mazatlán	31	25
87	69	Puerto Vallarta	31	21
91	77	Manzanillo	33	25
91	74	Zihuatanejo	33	24
90	77	Acapulco	32	25
91	71	Huatulco	33	21
		Caribbean Beaches
95	76	Cancun	35	25
91	74	Cozumel	33	24
91	70	Tulum	33	21

Rainfall

Total average August precipitation

Days	Beach	Inches	Milli­metres
	Pacific Beaches
4	Cabo San Lucas	2.0	52
13	Mazatlán	7.6	192
21	Puerto Vallarta	14.9	380
15	Manzanillo	8.5	216
11	Zihuatanejo	7.9	200
14	Acapulco	11.9	302
12	Huatulco	11.4	290
	Caribbean Beaches
9	Cancun	3.4	88
13	Cozumel	5.6	142
8	Tulum	3.9	99

Ocean Temperature

Average water temperature in August at beaches in Mexico

Beach	°F	°C
Pacific Beaches
Cabo San Lucas	82	28
Mazatlán	85	30
Puerto Vallarta	85	30
Manzanillo	85	30
Zihuatanejo	86	30
Acapulco	86	30
Huatulco	85	30
Caribbean Beaches
Cancun	84	29
Cozumel	84	29
Tulum	84	29