The highest day temperature in August 2026 was 100°F. The lowest night temperature was 70°F. The average values for day and night temperatures during August were 94.7°F и 75.6°F respectivly.

The average sea surface temperature in August 2026 for Nuevo Vallarta was 92.9°F. The maximum and minimum values were 92.0°F and 94.2°F respectively.

Most of the days in August are gloomy but you can also expect sunny days.

Precipitation total in August for Nuevo Vallarta is 3.8 in. It makes august one of the most rainy months of the year.

The average wind speed in August is 3.4 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Nuevo Vallarta in August is 4.7 hours.