2026 Climate Averages

Weather in Washington DC in August

It's a rainy period, but great for indoor activities, museums, and lower prices.

Climate Overview

August is a wet time to visit Washington DC. Washington DC has a Moderate climate with average yearly highs of 29°C, lows of 21°C, and approximately 21 rainy days per month.

Avg High

29°C

Avg Low

21°C

Rainy days

21days

Daylight

13.7h

Is August a good time to visit Washington DC?

It's a rainy period, but great for indoor activities, museums, and lower prices.

Daylight

Sunrise

6:22 AM

Sunset

8:06 PM

Weather by Month
Monthly weather data
Month High Low Rainy days Condition
January 9°C 0°C 7 Good
February 10°C 1°C 12 Good
March 16°C 5°C 15 Wet
April 17°C 6°C 16 Excellent (best)
May 21°C 11°C 11 Excellent (best)
June 29°C 19°C 13 Wet
July 33°C 23°C 15 Wet
August 29°C 21°C 21 Wet
September 24°C 16°C 13 Excellent (best)
October 20°C 11°C 10 Excellent (best)
November 16°C 7°C 7 Good
December 8°C 0°C 6 Good

Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025

What to Pack for August

Lightweight clothes, sunglasses, sunscreen, and breathable fabrics.

Climate: Moderate
Travel Context Perfect weather for walking tours and all-day sightseeing.

Planning a trip to Washington DC?

Common Questions

Is August a good time to visit Washington DC? +

August is typically Wet for visiting Washington DC, with average highs of 29°C and around 21 rainy days.

What should I pack for Washington DC in August? +

With highs of 29°C and lows of 21°C in {month}, we recommend: Lightweight clothes, sunglasses, sunscreen, and breathable fabrics.

Does it rain a lot in Washington DC in August? +

Washington DC typically sees around 21 rainy days in August.

How many hours of daylight are there in Washington DC in August? +

In August, Washington DC gets approximately 13.7 hours of daylight per day.

Is August peak season in Washington DC? +

No, August is not peak season in Washington DC. Expect better value on accommodation and fewer tourists.

What is the best month to visit Washington DC? +

The best months to visit Washington DC are April, May, September, October, when the weather is optimal for sightseeing.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: America/New_York)

Last Updated: January 2026

More Washington DC Guides

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Overview

Complete travel guide for Washington DC: top things to do, itineraries, and typical costs.

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August

29° / 21°
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