Nuevo Vallarta Weather in August
August in Nuevo Vallarta sees daytime temperatures around 30°C (86°F) and lows of 24°C (75°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.
Rainfall in Nuevo Vallarta in August
As part of the rainy season, Nuevo Vallarta sees around 18 days of rain in August, with an average of 325 mm (13 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours, often in the late afternoon.
Temperature in Nuevo Vallarta in August
Daytime temperatures in Nuevo Vallarta reach 30°C (86°F) in August, dropping to 24°C (75°F) at night. The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. With lows around 24°C (75°F), the nights are warm enough that a sheet is usually all you need for bedding. Average temperatures can be deceiving; some days will be hotter. Wear breathable fabrics and drink plenty of water to stay cool.
Average water temperature in August
With water at 30°C (86°F), conditions are warm and calm. Perfect for those who like tropical water temperatures, though it won't cool you down much.August in Nuevo Vallarta has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
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 Nuevo Vallarta 's climate page.
Nuevo Vallarta Temperature in August
Min Temperature
24°C (75°F)
Max Temperature
30°C (86°F)
Water Temperature
30°C (86°F) *
Chance of Rain
60%
Precipitation
325 mm (13 in)
Rainy days
18 days
Humidity
70% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Nuevo Vallarta typically stay consistent throughout August, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in August
Historical weather for Nuevo Vallarta in August
Browse day-by-day weather records for Nuevo 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 →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Nuevo 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! Expect water temperatures of around 30°C (86°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off.What To Do in Nuevo 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 Nuevo Vallarta 's climate page.
Temperature Rainfall Humidity Water Temp
See the full Nuevo Vallarta climate overview or explore weather in Mexico.
