Weatherinseattleinaugust Avionero

Smarter Travel Planning for a Better World 1 Adult, Economy Select dates, flexibility, days away Planning a trip and want to know what the weather in Washington in August will be like? Take a look at our weather guide for Washington, based on historical data. Good Weather 🌧️ RainyPlanning a trip to Washington in August? You are in luck! The weather is generally good, with an average maximum temperature of +86°F and approximately 3 sunny days.

Just be prepared for some rain, as there are usually around 13 rainy days and 115 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero. ☀️ +86°F Avg. max. temperature +48°F Min. +102°F Max. 115 mm Total precipitation 68% Avg. humidity 2 m/s Avg. wind 3 ☀️ Sunny Days 11 ⛅️ Cloudy 13 🌦 Rainy Our opinion: Washington has good weather in August.

Here are the expected maximum, average and minimum temperatures in Washington for August based on the historical data. Last Year Historical Data Going from a maximum of +95°F during the day to a minimum of +63°F during the night, the temperature in August averages around +88°F. The average maximum temperature goes down 6% by the end of the month, compared with the beginning of the month, from +82°F to +81°F. Washington is typically warm in August. Maximum temperatures go down compared to the previous month from +88°F to +86°F.

The minimum temperature also goes down from +72°F to +70°F. It’s generally warm, but pack a long-sleeve shirt for evenings. August is one of the warmest months in Washington, here is the comparison with other months: Washington weather looks like this, on average, in August and the surrounding months. August weather is still as good as in July. It’s getting colder in August. From +88°F in the day, the average maximum temperature lowers to +86°F. As August arrives, the amount of rainfall goes down.

On average, the rainfall volume decreases from 135 mm to 115 mm. Humidity rises from 66% to 68%. The average wind speed doesn’t change much during August, staying around 2 m/s. The good news is there are likely to be more sunny days in August, from 2 to 3. September brings much the same weather, it remains good. Wind speed in Washington in August based on historical data.

Last Year Historical Data The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves. The average wind speed in Washington is gradually increasing during August, going from 3 m/s to 5 m/s over the course of the month. Amount of rainfall in mm during August in Washington based on historical data. Last Year Historical Data Typically, there is a 52% chance of rain on an average day in August, with total rainfall of approximately 153 mm.

The maximum amount of rainfall per day is around 32 mm, which is moderate rain. August is a pretty wet month with over 16 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies. Here’s how August is compared with other months in the amount of precipitation, total mm: Washington wettest month is July, where a typical day has a 42% chance of precipitation and 135 mm of rainfall per day.

February, on the other hand, is the driest month with a mere 29% chance of precipitation and 58 mm of rainfall per day.

This is the weather in Washington in August 2025: Sun Mon Tue Wed Thu Fri Sat 1 ☀️ +82°F 2 ☁️ +84°F 3 ☁️ +81°F 4 ☁️ +84°F 5 ☁️ +88°F 6 ☁️ +89°F 7 ☁️ +91°F 8 ☁️ +86°F 9 ☀️ +87°F 10 ☁️ +83°F 11 ☀️ +88°F 12 ☁️ +92°F 13 ☁️ +92°F 14 ☁️ +92°F 15 ☁️ +91°F 16 ☁️ +87°F 17 ☁️ +91°F 18 ☁️ +85°F 19 ☀️ +84°F 20 ☀️ +89°F 21 ☁️ +92°F 22 ☁️ +88°F 23 ☀️ +84°F 24 ☁️ +83°F 25 ☁️ +95°F 26 ☁️ +92°F 27 ☁️ +88°F 28 ☁️ +82°F 29 ☁️ +81°F 30 ☁️ +85°F 31 ☁️ +81°F In August 2025 Washington had 6 sunny days, 25 cloudy days, and 0 rainy days.

The average maximum temperature was +88°F, with an absolute maximum of +95°F and a minimum of +81°F. The average humidity was 68%, with a maximum of 98% and a minimum of 29%. The average wind speed was 3 m/s, with a maximum of 10 m/s and a minimum of 0 m/s. Are you planning a trip in August? This is how Washington climate has changed over the last 43 years. The climate in Washington in August has not changed that much over the last 43 years.

The average temperature was the lowest in 1996 (+64°F) and the highest in 2023 (+70°F). The driest year was 2007 with only 654 mm of rainfall, and the wettest year was 2022 with 1801 mm. Frequently asked questions about the weather in Washington in August: August is a really good time to go to Washington. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Washington. August is warm in Washington.

You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening. Washington is often rainy in August. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat. Usually, it’s not very sunny in Washington in August, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed. Check out the weather for other cities in USA.

For this page, we’ve looked at the typical weather in Washington, based on historical hourly weather data from January 1, 1979, to December 31, 2023. For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.

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