Measurements:
°C
°F
Puerto Vallarta
70°F
W 3 mph
Feels like: 70°F
Precip: 0%
World Resorts Mexico Puerto Vallarta Weather

Puerto Vallarta Sea Water Temperature

Current Sea Water Temperature:
+84.4°F
Maximum Sea Water Temperature in December: 86.6°F
Minimum Sea Water Temperature in December: 73.8°F
Average water temperature in December: 81.9°F

Sea Water Temperature for the Last 10 Days:

December 14 84.4°F December 09 84.6°F
December 13 84.2°F December 08 84.6°F
December 12 84.0°F December 07 84.0°F
December 11 84.6°F December 06 84.4°F
December 10 84.4°F December 05 83.2°F

When is the Warmest Sea for Puerto Vallarta?

According to our data for the last three years for Puerto 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 Puerto Vallarta was 91.5°F. The maximum and minimum values were 90.8°F and 92.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Puerto 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 Puerto Vallarta was 91.7°F. The maximum and minimum values were 90.4°F and 93.8°F respectively.

Best Time to Visit Puerto Vallarta
The most sunny months:
May 26 days
March 26 days
January 25 days
The most warm months:
May 93.3 °F
June 92.6 °F
July 92.6 °F
Warmest sea temperature:
August 90.8 °F
September 90.4 °F
July 90.3 °F
The most cold months:
January 84.6 °F
February 85.6 °F
December 86.0 °F
The most rainy months:
July 12 days
August 12 days
September 12 days
The most windy months:
May 4 mph
April 4 mph
March 4 mph

Puerto Vallarta on the Weather Map

24 Hours Weather Forecast
Puerto Vallarta
Local time: 01:24
14 dec, sunday
0300 70°F
W
2 mph
0600 70°F
W
3 mph
0900 74°F
W
3 mph
1200 88°F
SE
3 mph
1500 88°F
E
6 mph
1800 82°F
E
3 mph
2100 76°F
W
2 mph
15 dec, monday
0000 76°F
W
2 mph