Washington Weather in August

Washington in August averages 20°C (68°F) during the day and 12°C (54°F) at night. This is the wettest month of the year, and part of the summer season.

Rainfall in Washington in August

During the wettest month of the year, an umbrella can be your best friend to stay dry. This month experiences about 15 days of rain according to historical data, averaging 75 mm (3 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Washington in August

If you're visiting Washington in August, expect perfect temperatures with highs of 20°C (68°F) and overnight lows of 12°C (54°F). During August, you'll experience the summer season. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights cool down to 12°C (54°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Washington in August

The city usually sees around 173 hours of sunlight, indicating a moderately sunny period.

If you favor pleasant temperatures and minimal rainfall, August is one of the best months to visit Washington.

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• January
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For a detailed overview over the year and the best time to visit the United Kingdom, check out our Washington's climate page.

Washington Temperature in August

Min Temperature 12°C (54°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 48%  

Precipitation 75 mm (3 in)  

Rainy days 15 days  

Sunshine 173 hours *  

Percentage Sunshine *  

* Data from: Sunderland, the United Kingdom (9 KM, 6 Miles).

What to Wear in Washington in August

For Washington in August, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Washington in August

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

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Washington's climate page.

More climate data for Washington

Temperature Rainfall Sunshine

See the full Washington climate overview or explore weather in the United Kingdom.