2026 Climate Averages

Weather: Washington DC — August

Conditions are pleasant for sightseeing, though you might encounter occasional showers.

👍 Climate Overview

August is a good time to visit Washington DC. Hot conditions with temperatures reaching 30°C—stay hydrated and seek shade. Rain is common, so pack an umbrella. Being off-peak, you'll find better deals and fewer crowds.

8.8
GoTripzi Score Excellent

Based on weather comfort, crowds, prices, and activity options

Avg High

30°C

Avg Low

21°C

Rainy days

10days

Daylight

13.7h

Feels like 33°C / 23°C — humidity makes it feel warmer

Rainfall

115mm

Sunshine

10.4h/day

Humidity

72%

Muggy
Sun Strength

7.7

Very High
Wind

12 km/h (gusts 29)

Is August a good time to visit Washington DC?

Conditions are pleasant for sightseeing, though you might encounter occasional showers.

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Local time

Air Quality

Travel Context

  • Crowds
    Moderate
  • Travel Costs Shoulder Rates

Daylight

Sunrise

06:22

Sunset

20:06

13.7h daylight

Visiting Washington DC in August: Pros & Cons

Pros

  • Abundant sunshine for beach and outdoor fun
  • Fewer crowds and better hotel deals

Things to Do in August

Recommended for This Weather

🚶 Walking tours & sightseeing
🚲 Cycling & bike tours
🥾 Hiking & nature trails
🏛️ Museums & galleries
🍳 Cooking classes & food tours
🎭 Cultural tours & local experiences

Washington DC Weather by Month

Month Avg High Avg Low Rain Sunshine Humidity UV Index Crowds Condition
Jan 7°C -1°C 9d (86mm) 6.3h
65% Humid
3.2 Moderate
Good
Feb 10°C 0°C 10d (86mm) 6.8h
62% Moderate
4.3 Moderate
Good
Mar 15°C 5°C 10d (88mm) 8.1h
58% Moderate
6.1 High
Good
Apr 20°C 9°C 10d (91mm) 9.2h
59% Moderate
7.4 Very High
Excellent
May 24°C 14°C 12d (100mm) 9.8h
66% Humid
8 Very High
Excellent
Jun 30°C 19°C 10d (107mm) 11.4h
65% Muggy
9 Very High
Good
Jul 32°C 23°C 13d (136mm) 11.9h
70% Muggy
8.9 Very High
Wet
Aug Current 30°C 21°C 10d (115mm) 10.4h
72% Muggy
7.7 Very High
Good
Sep 26°C 17°C 10d (93mm) 8.7h
73% Humid
6.2 High
Excellent
Oct 21°C 10°C 7d (70mm) 7.9h
71% Humid
4.9 Moderate
Excellent
Nov 15°C 5°C 7d (66mm) 7.4h
64% Moderate
3.8 Moderate
Good
Dec 9°C 0°C 9d (111mm) 6h
67% Humid
2.8 Moderate
Good

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Your Best MonthJulScore: 9

Where to Stay

See hotels, apartments & rentals around Washington DC – live prices from Booking.com, Expedia, Vrbo and more

Washington DC

National monuments with National Mall & Smithsonian museums, cherry blossoms, memorials, and political power center.

View Full Destination Guide

What to Pack for August

Light, breathable fabrics like cotton and linen are essential. Opt for loose-fitting clothing in light colors to stay cool. A waterproof jacket and shoes are non-negotiable — showers are frequent. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.

Moderate Moderate

🎒Personalized Packing List

Tell us about your trip and we'll create a custom packing list based on the weather.

Your Packing List

📋Essentials
👕Clothing
👟Footwear
🎒Accessories
🧴Toiletries & Health

Planning a trip to Washington DC?

💰 Off-peak — great deals available now

Frequently Asked Questions

Is August a good time to visit Washington DC?
August is typically good for visiting Washington DC, with average highs of 30°C and around 10 rainy days. Plan your activities accordingly—outdoor sightseeing is best on dry days, while rainy days are perfect for museums and indoor attractions.
Does it get cold at night in Washington DC in August?
Nights stay pleasantly warm in Washington DC during August, around 21°C. Light evening wear is sufficient, and outdoor dining is very comfortable. Many locals and visitors enjoy late-night walks and outdoor activities after sunset.
What should I pack for Washington DC in August?
With highs of 30°C and lows of 21°C in August, we recommend: Compact umbrella, Waterproof jacket/shell, Lightweight breathable clothes, Sunscreen SPF 30+. Layering is key as temperatures can vary between air-conditioned interiors and outdoors. Comfortable walking shoes are essential for cobblestone streets.
Does it rain a lot in Washington DC in August?
Washington DC typically sees around 10 rainy days in August. Rain is usually in the form of brief showers rather than all-day downpours, so a compact umbrella is sufficient. Mornings tend to be drier, making them ideal for outdoor sightseeing.
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. This affects how much sightseeing you can fit in—longer days mean more time for outdoor activities, while shorter days are perfect for cozy museum visits and early dinners.
Is August peak season in Washington DC?
No, August is not peak season in Washington DC. Expect better value on accommodation, shorter queues at attractions, and fewer tourists at popular spots. This is an excellent time to experience the city like a local and enjoy a more authentic atmosphere.

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

Solar calculations: SunCalc (timezone: America/New_York)

Last Updated: February 2026