Monthly climate guide
Washington, D.C. weather in July
With highs near 31°C (88°F) and lows around 21°C (70°F), July feels hot in Washington, D.C.. Rainfall averages about 130 mm (wet) and the sky is a mix of sun and cloud. Daytime highs are 4°C warmer than June and about the same as August.
What stands out in July
- Just 150 km apart, but Washington, D.C. runs about 2°C cooler than Richmond this month.
- Seasonally, July counts as mid-summer in Washington, D.C..
July is typically Washington, D.C.'s warmest month.It's usually the wettest month of the year.
Avg high
31°C
88°F
Avg low
21°C
70°F
Rainfall
130 mm
wet
Humidity
70%
relative
Sky
54%
cloud · a mix of sun and cloud
Washington, D.C. weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 4°C / 40°F | -4°C / 25°F | 71 mm | 82% | 61% |
| February | 7°C / 44°F | -2°C / 28°F | 74 mm | 81% | 64% |
| March | 11°C / 52°F | 1°C / 33°F | 81 mm | 79% | 60% |
| April | 18°C / 64°F | 7°C / 44°F | 91 mm | 76% | 60% |
| May | 23°C / 74°F | 13°C / 56°F | 111 mm | 80% | 63% |
| June | 28°C / 82°F | 18°C / 64°F | 118 mm | 75% | 57% |
| July | 31°C / 88°F | 21°C / 70°F | 130 mm | 70% | 54% |
| August | 30°C / 86°F | 20°C / 68°F | 126 mm | 71% | 55% |
| September | 27°C / 80°F | 17°C / 62°F | 102 mm | 72% | 55% |
| October | 20°C / 68°F | 10°C / 50°F | 109 mm | 77% | 53% |
| November | 13°C / 55°F | 3°C / 37°F | 75 mm | 78% | 52% |
| December | 8°C / 46°F | 0°C / 32°F | 98 mm | 84% | 65% |
What to pack for July
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is July a good time to visit Washington, D.C.?
Compare the months in the chart above to find your ideal window.
Best time to visit Washington, D.C. →Other United States cities in July
Cite or embed this data
Writing about this destination? Copy a ready-made citation or embed a live widget — free, just keep the link.
Washington, D.C. weather in July. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/usa/washington-d-c/july
<a href="https://weathercompare.eu/weather/usa/washington-d-c/july">Washington, D.C. weather in July</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/usa/washington-d-c" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Washington, D.C. weather in July"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/usa/washington-d-c/july">Washington, D.C. weather in July</a> – WeatherCompare</p>
Washington, D.C. in July: quick answers
Is July a good time to visit Washington, D.C.?
It can be, if you like heat: July highs in Washington, D.C. are around 31°C. Good for the beach; plan sightseeing for early morning and evening.
How warm is Washington, D.C. in July?
Average highs are about 31°C (88°F) and average lows about 21°C (70°F), based on 10 years of daily data.
Does it rain a lot in Washington, D.C. in July?
Washington, D.C. typically gets around 130 mm of rain in July — wet. It's usually the wettest month of the year.
Figures are long-term averages for the area around Washington, D.C. (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.