Puerto Vallarta Weather in August
Puerto Vallarta in August sees high daytime temperatures of 30°C (86°F) and nighttime lows of 23°C (73°F). As part of the rainy season, showers are frequent and often heavy. Budget around 350 mm (14 in) of rainfall for the month.
Rainfall in Puerto Vallarta in August
Puerto Vallarta is in the rainy season in August, with rain on around 18 days and an average of 350 mm (14 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.
Temperature in Puerto Vallarta in August
Daytime highs in Puerto Vallarta in August reach 30°C (86°F), with nights around 23°C (73°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 23°C (73°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.
Average water temperature in August
At 30°C (86°F), the water feels bath-warm. Fine for swimming, but those looking for a cooling swim may be a bit disappointed.If you're looking for dry conditions and comfortable temperatures, August may not be the ideal month to visit Puerto Vallarta. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mexico, check out our Puerto Vallarta's climate page.
Puerto Vallarta Temperature in August
Min Temperature
23°C (73°F)
Max Temperature
30°C (86°F)
Water Temperature
30°C (86°F)
Chance of Rain
61%
Precipitation
350 mm (14 in)
Rainy days
18 days
Humidity
70%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Puerto Vallarta typically stay consistent throughout August, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in August
Historical weather for Puerto Vallarta in August
Browse day-by-day weather records for Puerto Vallarta spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Best Places in Mexico in August
Find out more about the weather in Mexico and which places have the best travel conditions in this month. See all of Mexico in August →
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What to Wear in Puerto Vallarta in August
Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! The water temperature sits at about 30°C (86°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear.What To Do in Puerto Vallarta in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mexico, check out our Puerto Vallarta's climate page.
Temperature Rainfall Humidity Water Temp
See the full Puerto Vallarta climate overview or explore weather in Mexico.
