Washington
District of Columbia, USA
Long-term weather forecast
Long-term weather forecast
Advertisement

August weather forecast and Climate
Washington, DC

Advertisement
Stunning reflective view of rows of jacaranda trees in spring in the tidal basin of the Washington monument in DC, USA
Stunning reflective view of rows of jacaranda trees in spring in the tidal basin of the Washington monument in DC, USA
August is a hot summer month with average daily temperatures ranging in between 70°F (21.1°C) to 86°F (30°C). The skies are mostly sunny and bright but occasional afternoon thunderstorms bring cloudy and rainy weather.
August is an enjoyable time to visit the vast number of historic sites, gaze at the stunning marble monuments, and hop around museums. Washington, D.C. is a busy place and visitors are spoilt for choice between the various outdoor festivals, parks, botanical gardens, and zoos. Swimming in the sea is a fantastic way to beat the summer.
Advertisement
  • The average high temperature in August: 86.5°F

The warmest month (with the highest average high temperature) is July (88.4°F).
The month with the lowest average high temperature is January (43.4°F).

  • The average low temperature in August: 69.7°F

The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).

Advertisement
  • The average humidity in August: 69.3%

The month with the highest relative humidity is September (69.7%).
The month with the lowest relative humidity is April (58%).

  • The average rainfall in August: 2.9"

The wettest month (with the highest rainfall) is May (4").
The driest month (with the lowest rainfall) is February (2.6").

  • The average rainfall days in August: 8.2 days

The month with the highest number of rainy days is May (11.1 days).
The month with the lowest number of rainy days is October (7.7 days).

  • The average snowfall in August: 0"

The month with the highest snowfall is February (5.7").
Months with the lowest snowfall are April, May, June, July, August, September and October (0").

  • The average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (3 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

  • The average daylight in August: 14h

Months with the longest days are June and July (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9h).

  • The average sunshine in August: 8.5h

The month with most sunshine is June (Average sunshine: 9.4h).
The month with least sunshine is December (Average sunshine: 4.3h).

  • The average UV index in August: 8

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January and December (UV index 2).

deutscheenglishespañolрусский中文
Advertisement
Advertisement