Washington weather in August 2023

  • 30°C maximum daytime temperature in August in Washington30
    30°C max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in August in Washington9
    9 days with some rainfall
  • 20°C minimum night-time temperature in August in Washington20
    20°C min night temperature
  • 14 hours of daylight per day in August in Washington14
    14 hours of daylight per day
  • High heat & humidity in August in WashingtonH
    High heat & humidity
  • 103 mm monthly rainfall in August in Washington103
    103 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Washington8
    8 (Very High) UV index
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Recommended for D.C.

The August weather guide for D.C., represented by Washington, (Washington) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Washington in August?

Daytime temperatures usually reach 30°C in Washington in August with high heat and humidity, falling to 20°C at night.

How sunny is it in Washington in August?

There are normally 8 hours of bright sunshine each day in Washington in August - that's 62% of daylight hours.

Does it rain in Washington in August?

There are usually 9 days with some rain in Washington in August and the average monthly rainfall is 103mm.

What is the chance of a hurricane in Washington in August?

On average less than 1 day in August in Washington is likely to be affected by the passage of one or more tropical storms.

Washington August sunrise & sunset times

Browse the sunrise and sunset times for Washington in August 2023. Select a month to view Washington sunrise and sunset times for the next 12 months.


Date Sunrise times Sunset times
Tuesday, 1st August 2023 06:09 20:19
Wednesday, 16th August 2023 06:22 20:02
Thursday, 31st August 2023 06:36 19:40

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