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The weather in August in Washington

It's hot in August in Washington with an average temperature of 37°C. Temperatures this month range from a low of 32°C to a high of 39°C. At night, you can expect temperatures between 20°C and 25°C.

August isn’t a good month to be in Washington. The average temperature of 37°C this month is uncomfortably hot for a comfortable stay.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Washington, Utah. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 44°C in 2020, Washington reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 23°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 11°C to a highest value of 29°C.

Rainfall amount

In August, there is an average of 24 mm of precipitation, spread over 5 days. The wind speed is around 5 Bft, mostly coming from the South.

Daily weather in August for Washington

Click on any day in August to get detailed info about the usual weather on that day in Washington. Check out the historical temperatures and precipitation over the past 10 years on this day.

August weather comparison

  Washington New York
Average temperature 37°C 30°C
Max. temperature 39°C 31°C
Min. temperature 20°C -5°C
Total precipitation 24 mm 79 mm
Rainy days 5 days 13 days

Start of August

The month of August starts in Washington with hot temps, averaging around 38°C during the day and nights around 23°C.

Mid August

By mid-August, daytime temps stay steady at around 38°C, with nights around 23°C. Not much precipitation expected during this period. It’s mostly dry and sunny.

End of August

By the end of August, the average daytime temperature in Washington is around 37°C, while nighttime temps are about 22°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.

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UV index

The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of Washington for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in August in Washington, Utah. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in August in Washington

Temperature in August in Washington over the years

Precipitation charts

These charts show the average amount of precipitation in August in Washington, Utah. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in August in Washington

Total precipitation in August in Washington over the years

Daily UV index in August in Washington

This chart shows the average daily UV index in August in Washington, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in August in Washington

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Average weather in Washington by month

Click on a month below to see detailed weather info for Washington. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.