World Resorts Mexico Nuevo Vallarta Weather

Nuevo Vallarta weather in August

Weather in Nuevo Vallarta: August

Average day temperature: 86.1°F
Average night temperature: 75.4°F
Sea water temperature: 86.8°F
Number of sunny days: 1 day
Day length: 12.5 - 13.1 hours
Number of rainy days: 8 days
Precipitation totals: 4.1 in.

Air temperature in August, °F

Show year:
2025
2024
2023

The highest day temperature during August of 2025 was 91°F. At the same time the lowest night temperature was 74°F. Daily and nightly averages during August were 86.0°F and 78.1°F.

Sea water temperature in Nuevo Vallarta in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 87.4°F. The highest and lowest sea temperatures during the month were 88.5°F and 86.7°F.

Sunny, partly cloudy and cloudy days

Mostly all days in August are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in August, in.

Precipitation total value in Nuevo Vallarta in August is 4.1 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 3.2 mph It makes August one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 4.8.

Best time for vacation in Nuevo Vallarta

Sunniest months:
May 27 days
March 26 days
April 24 days
Warmest months:
May 89.6 °F
June 87.0 °F
July 86.7 °F
Warmest sea temp:
August 86.8 °F
September 86.6 °F
July 86.4 °F
Coldest months:
January 81.4 °F
February 82.1 °F
December 82.8 °F
Rainiest months:
September 9 days
August 8 days
July 7 days
Windiest months:
May 4.3 mph
April 4.2 mph
March 4.1 mph

Nuevo Vallarta on a weather map

Nuevo Vallarta
+72°F
W 2 mph
Feels like: +72°F
Precip.: 0%
Places in Mexico:
Name
°F
+75°F
+79°F
+79°F
+70°F
+73°F
+72°F
+73°F
+79°F
+72°F
+77°F
+79°F
24 Hours Forecast
Nuevo Vallarta
Local time: 23:37
December 05, friday
0000
72°F
W
2 mph
0300
70°F
W
4 mph
0600
70°F
W
3 mph
0900
75°F
W
3 mph
1200
77°F
NE
2 mph
1500
77°F
NE
6 mph
1800
75°F
NE
2 mph
2100
73°F
S
2 mph
Units of measurement: °C / °F