The highest day temperature in August 2025 was 56°F. The lowest night temperature was 43°F. The average values for day and night temperatures during August were 51.6°F и 47.3°F respectivly.

The average sea surface temperature in August 2025 for Wellington was 54.7°F. The maximum and minimum values were 52.0°F and 57.2°F respectively.

You can expect various weather conditions during August. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in August for Wellington is 3.4 in. It makes august one of the most rainy months of the year.

The average wind speed in August is 15.7 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 Wellington in August is 5.4 hours.