US Washington DC · Summer

Washington DC in August
what's the weather like?

August is a good time to visit. June is slightly better.

Open-Meteo · 10 years · 12 months compared · 38.91°N 77.04°W
86°FMax temperature
44%Rainy days
12.1hSunshine / day

Washington DC weather in August

✅ Good
🌡️ Temperature min / max
70°F – 86°F
🌧 Rainy days
44% of days
☀️ Sunshine
12.1h per day on average
🌊 🌊 Season
Summer
⭐ ⭐ Weather score
7.6/10
📅 📅 Best month
June (8.1/10)

Should you visit Washington DC in August?

✅ Good

✅ Yes if: you want to explore cultural sites and local food.

❌ No if: you need guaranteed sunshine for photos or outdoor activities.

🌧 Rain : ████░░░░░░ 44%
🌡 Temperature : ████████░░ 86°F
☀️ Sunshine : █████████░ 12.1h/d

Our take: August is a good time to visit Washington DC. June remains slightly better (+0.5 pts).

Washington DC in August by trip type

What to expect in August

In the height of summer, Washington DC sees high temperatures (30°F). Heat is a factor for outdoor activities. Expect rain on 44% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if June (8.1/10) remains theoretically better.

All months for Washington DC

Month-by-month comparison

MonthMin °FMax °FRain %Precip inSun h/dScore
🌫️ January28°F43°F29%0.1in7.8h4.2/10
🌦️ February30°F50°F36%0.1in8.4h4.6/10
⛅ March37°F55°F33%0.1in10.0h6.1/10
🌤️ April46°F66°F37%0.1in10.7h7.2/10
🌤️ May55°F73°F45%0.2in11.1h7.4/10
🌤️ June64°F84°F41%0.2in13.2h8.1/10
🌤️ July72°F88°F47%0.2in13.3h7.5/10
🌤️ August70°F86°F44%0.2in12.1h7.6/10
🌤️ September63°F79°F37%0.2in11.0h7.9/10
🌤️ October50°F68°F28%0.1in9.9h7.4/10
⛅ November39°F57°F26%0.1in9.2h6.7/10
🌫️ December32°F46°F28%0.1in7.5h4.4/10
Ideal Fair Challenging climate ◀ Current month · Source Open-Meteo · 10 years
📊 Data source Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In August, Washington DC averages 86°F, 44% rainy days and 12.1h of sunshine per day. Overall weather score: 7.6/10. See methodology →

August vs June (best month)

The best month is June (score 8.1/10). Difference:

FAQ — Washington DC in August

Is August a good time to visit Washington DC?
August is an excellent time to visit Washington DC (score 7.6/10). With 86°F, 12.1h of sunshine and 44% rain, conditions are very favourable.
What to do in Washington DC in August?
With 86°F max and 12.1h of sunshine, focus on cultural sites, museums and local gastronomy.

Find a place to stay in Washington DC

Find places to stay in Washington DC in August Search on Hotels.com

Activities and tours in Washington DC

Guided tours, skip-the-line tickets and local experiences. Browse activities on GetYourGuide

Find a flight to Washington DC

Compare flights from all airlines. Search flights

Similar destinations in August

Other top destinations in August

Compare destinations by weather

Explore or compare

📅 Live forecast — next 12 months

Real-time data with ECMWF seasonal corrections · updated daily

Try the weather app