July · United States
Best time to visit Washington DC in July Weather, crowds & prices
Weather in Washington DC in July
Average temperature 27°C, 107 mm of rain, about 28 days with 6+ hours of sunshine and 66% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
July score
6.0/10
Ranked #9 of 12 months
- Avg temp
- 27°C
- Rainfall
- 107 mm
- Humidity
- 66%
- Days with 6h+ sun
- 28
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
July in Washington DC scores 6.0/10 for sightseeing and cultural travel - ranked #9 of 12. Expect around 27°C, 107 mm of rain, and roughly 28 days with 6+ hours of sunshine this month.
The National Mall lines up the Capitol, Smithsonian museums, and memorials within a walkable core.
July in Washington DC: mixed conditions, plan around the weather
Days in July average 27°C (81°F) — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
107 mm of rain makes this a wet month here, though with about 28 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 6/10 on the same scale — 9th of 12 months, versus 8.5/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Budget for mid-season pricing, and crowds are moderate.
If your dates are flexible, June is materially better in Washington DC — 2.5 points higher on the same scale.
Frequently asked
- What is the weather like in Washington DC in July?
- In July, Washington DC averages 27°C, 107 mm of rain, and about 28 days with 6+ hours of sunshine. Its climate-comfort score is 6.0/10.
- Is July a good time to visit Washington DC?
- July earns a 6.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Washington DC in July?
- Expect about 107 mm of rain in July. Average humidity is 66% and there are about 28 days with 6+ hours of sunshine.
Curated in Washington DC
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Washington DC, United States. Live activities and tours from GetYourGuide, matched to this destination.