Measurements:
°C
°F
Nuevo Vallarta
76°F
E 3 mph
Feels like: 80°F
Precip: 0%
World Resorts Mexico Nuevo Vallarta Weather

Nuevo Vallarta Sea Water Temperature

Current Sea Water Temperature:
+83.8°F
Maximum Sea Water Temperature in December: 85.2°F
Minimum Sea Water Temperature in December: 74.4°F
Average water temperature in December: 81.4°F

Sea Water Temperature for the Last 10 Days:

December 18 83.8°F December 13 84.2°F
December 17 84.0°F December 12 84.2°F
December 16 84.8°F December 11 84.8°F
December 15 84.0°F December 10 84.4°F
December 14 84.6°F December 09 84.6°F

When is the Warmest Sea for Nuevo Vallarta?

According to our data for the last three years for Nuevo Vallarta the highest average sea water temperature was in August, September and July.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Nuevo Vallarta was 91.6°F. The maximum and minimum values were 90.8°F and 92.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Nuevo Vallarta was 90.9°F. The maximum and minimum values were 90.4°F and 92.0°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Nuevo Vallarta was 91.7°F. The maximum and minimum values were 90.4°F and 94.0°F respectively.

Best Time to Visit Nuevo Vallarta
The most sunny months:
May 27 days
March 26 days
April 24 days
The most warm months:
May 94.0 °F
June 91.1 °F
July 90.8 °F
Warmest sea temperature:
August 90.9 °F
September 90.7 °F
July 90.5 °F
The most cold months:
January 84.9 °F
February 85.7 °F
December 86.5 °F
The most rainy months:
September 9 days
August 8 days
July 7 days
The most windy months:
May 4 mph
April 4 mph
March 4 mph

Nuevo Vallarta on the Weather Map

24 Hours Weather Forecast
Nuevo Vallarta
Local time: 18:17
18 dec, thursday
2100 74°F
W
3 mph
19 dec, friday
0000 72°F
W
4 mph
0300 68°F
W
3 mph
0600 70°F
W
3 mph
0900 78°F
W
2 mph
1200 84°F
E
4 mph
1500 80°F
E
6 mph
1800 76°F
E
2 mph