Temperature
Hot by day, mild at night.
86°Ftypical Aug high
Typical range
Washington DC
United States · North America
Washington DC is most comfortable in spring and autumn. Summers are hot and winters are cool. Humidity is usually low.
Best time to go
12 mo · Typical year
Temperature range
29°F to 88°F
Rain
12 days/mo
Sunshine
8.9 h/day
Humidity feel
Generally dry
When to visit
Month-by-month fit
Precipitation
Recurring showers across the month.
45%wet-day frequency
Precip amountWet-day chanceSnowfall
Sunshine
Cloudier spells limit sunshine.
10.9 hAug sunshine
Heat & humidity by month
Warm days, with some hot afternoons and occasional humid spells.
59%Aug share of humid air hours
Easy airWarm airHot airHumid airVery humid air
Hourly comfort pattern
In August, afternoons feel about 87° and nights feel near 73°.
FreezingVery coldColdCoolComfortableWarmHotNight shading
More detailIncludes sky, daypart comfort, and wind
Cloud cover
Partly cloudy across the month.
45%Aug clear sky
ClearCloud cover
Typical August day
August late afternoons are around 85°F, easing to about 80°F in early evening.
Avg temp Typical range
Morning76°F
Feels 79°F
Rain11%
Cloud53%
Humid airHigh
Sun intensityModerate
Best windowMidday84°F
Feels 86°F
Rain15%
Cloud59%
Humid airHigh
Sun intensityStrong
Late afternoon85°F
Feels 87°F
Rain20%
Cloud62%
Humid airModerate
Sun intensityModerate
Early evening80°F
Feels 83°F
Rain16%
Cloud57%
Humid airHigh
Sun intensityMinimal
Wind pattern
Calm winds are typical in August.
5 mphAug Calm
Typical wind speed (mph)
Similar
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Want a side-by-side climate view? Compare Washington DC with Greenville.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology