Puerto Vallarta Weather in August
Jalisco, Mexico
Pick your travel dates to see the odds.
August is the wettest month of the year: 27.4 rain days on average and about 12.1 inches of rain, with highs of 86°F, lows of 75.4°F and humidity at 88%.
Rain falls on almost every day, though it is typically a heavy burst rather than continuous rain.
Sea temperature is 89.1°F, the highest of the year, though it can be stirred up after storms.
Storm risk is rated low, with three storm days recorded for August, and heavy rain can cause street flooding in low-lying parts of town.
August is a poor fit for a first beach vacation but a cheap one, with the lowest hotel rates and empty restaurants outside Mexican school holidays.
If you go, plan indoor alternatives for afternoons: tequila tastings, cooking classes, museums and the Old Town galleries.
Pack a rain jacket, waterproof bag for electronics, quick-dry clothing and insect repellent.
Frequently asked questions
Is August a good time to visit Puerto Vallarta?
Not for beach weather: it is the wettest and most humid month, though cheap.
How much does it rain in Puerto Vallarta in August?
About 27.4 rain days and 12.1 inches, the most of any month.
Is the ocean warm in Puerto Vallarta in August?
Yes, about 89.1°F, the warmest of the year.
Is there hurricane risk in Puerto Vallarta in August?
Low; the record shows three storm days for August.
Is Puerto Vallarta cheap in August?
Yes, it is among the lowest-priced months.
Weather data by Open-Meteo.com (CC BY 4.0) and the NOAA National Hurricane Center. Data updated September 2026. How we calculate.