Washington Weather in August
Washington in August sees high temperatures, with highs around 28°C (82°F) and overnight lows of 15°C (59°F). Rainfall is fairly high at around 78 mm (3.1 in) on average, so pack waterproofs just in case.
Rainfall in Washington in August
Climate statistics over the past 30 years suggest around 11 days of rain, with 78 mm (3.1 in) average for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Washington in August
The perfect temperature in Washington in August makes it a solid month to visit, with 28°C (82°F) during the day and 15°C (59°F) at night. August is part of the summer season. This kind of day-to-night contrast is typical for this time of year. At 15°C (59°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Washington in August
The days are predominantly sunny, with an estimated total of around 229 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Washington's climate page.
Washington Temperature in August
Min Temperature
15°C (59°F)
Max Temperature
28°C (82°F)
Chance of Rain
37%
Precipitation
78 mm (3.1 in)
Rainy days
11 days
Humidity
71% *
Sunshine
229 hours *
Percentage Sunshine
54% *
Best Places 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. See all of the United States of America in August →
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What to Wear in Washington in August
Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Washington in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Washington's climate page.
Temperature Rainfall Sunshine Humidity
See the full Washington climate overview or explore weather in the United States of America.
