The highest day temperature in August 2024 was 102°F. The lowest night temperature was 57°F. The average values for day and night temperatures during August were 89.1°F и 71.2°F respectivly.

The average sea surface temperature in August 2024 for Washington was 84.8°F. The maximum and minimum values were 79.6°F and 89.8°F respectively.

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

Precipitation total in August for Washington is 3.8 in. It makes august the most rainy month of the year.

The average wind speed in August is 6.1 mph. It makes August one of the most windless months of the year for Washington.

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 Washington in August is 8.5 hours.