The highest day temperature in August 2025 was 98°F. The lowest night temperature was 76°F. The average values for day and night temperatures during August were 93.0°F и 78.4°F respectivly.

The average sea surface temperature in August 2025 for Phan Thiet was 83.9°F. The maximum and minimum values were 81.6°F and 85.2°F respectively.

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

Precipitation total in August for Phan Thiet is 4.1 in. It makes august one of the most rainy months of the year.

The average wind speed in August is 9.6 mph. It makes August one of the most windy months of the year for Phan Thiet.

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 Phan Thiet in August is 7.4 hours.