Washington weather in August (District of Columbia, United States of America)

How does the August weather in Washington compare to other months? Our guide gives you the essential weather details for this month.

Temperatures

In August, Washington tends to experience very high temperatures and moderate rainfall. August is typically considered a summer month. Daytime temperatures generally settle around 31°C, while nighttime can see a dip to about 20°C. Although these are the average temperatures, expect warmer days occasionally. Wear cool clothing and stay hydrated to manage the heat.

Precipitation

Washington in August usually receives moderate rainfall, averaging around 82 mm for the month. Climate statistics over the past 30 years suggest around 11 days of rain.

Average sunshine

There are approximately 262 hours of sunshine this month, meaning plenty of sunny days and a vibrant atmosphere.

Should you favor a climate that's both dry and comfortably warm April and September typically offer the most agreeable circumstances. On the other hand, January, February and December tend to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized Washington climate page with graphs.

 

Washington, monthly averages in August

Min Temperature 20°C  

Max Temperature 31°C  

Chance of Rain 37%  

Precipitation 82 mm  

Rainy days 11 days  

Humidity 69% *  

Windspeed 14 km/h *  

Sunshine 262 hours *  

Percentage Sunshine 62% *  

Data from: Washington DC, the United States of America (5 KM, 3 Miles).

Where to go in the United States of America in August

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Washington.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.