Capital city in District of Columbia, United States
Washington, D.C. weather by month and the best time to visit
When to go to Washington, D.C.
Late March–April has cherry blossoms and is very crowded; Sep–Oct is mild and dry. Jul–Aug is hot and humid; Jan–Feb is cold.
Washington, D.C. weather by month
Average daily high, rainfall and conditions.
- Jan5°67 mm
- Feb6°70 mm
- Mar12°84 mm
- Apr18°92 mm
- May23°109 mm
- Jun28°118 mm
- Jul31°116 mm
- Aug31°109 mm
- Sep27°107 mm
- Oct20°105 mm
- Nov13°80 mm
- Dec7°95 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 5°C40°F | -4°C26°F | 67 mm | 82% | Cold |
| February | 6°C43°F | -3°C27°F | 70 mm | 80% | Cold |
| March | 12°C53°F | 1°C34°F | 84 mm | 79% | Cool |
| April | 18°C65°F | 7°C45°F | 92 mm | 76% | Pleasant |
| May | 23°C74°F | 13°C55°F | 109 mm | 78% | Pleasant |
| June | 28°C83°F | 18°C65°F | 118 mm | 74% | Pleasant |
| July | 31°C88°F | 21°C70°F | 116 mm | 69% | Pleasant |
| August | 31°C87°F | 20°C69°F | 109 mm | 70% | Pleasant |
| September | 27°C80°F | 17°C62°F | 107 mm | 72% | Pleasant |
| October | 20°C68°F | 10°C49°F | 105 mm | 76% | Pleasant |
| November | 13°C56°F | 3°C38°F | 80 mm | 79% | Cool |
| December | 7°C45°F | -1°C31°F | 95 mm | 83% | Cold |
Best months across United States
| Place | Best months | Warmest month |
|---|---|---|
| New York City | Apr–Jun, Sep–Oct | Jul (26°C) |
| Las Vegas | Mar–May, Oct–Nov | Jul (42°C) |
| Los Angeles | Mar–May, Sep–Nov | Aug (32°C) |
| Orlando | Feb–Apr, Nov | May (31°C) |
| Miami | Nov–Apr | Aug (30°C) |
| San Francisco | Apr–May, Sep–Oct | Sep (24°C) |
| Honolulu | Apr–Jun, Sep–Oct | Sep (28°C) |
| Washington, D.C. | Mar–May, Sep–Oct | Jul (31°C) |
| Chicago | May–Jun, Sep–Oct | Jul (25°C) |
| Boston | May–Jun, Sep–Oct | Jul (28°C) |
| New Orleans | Feb–Apr, Oct–Nov | Jul (30°C) |
| San Diego | Apr–May, Sep–Nov | Aug (32°C) |
| Seattle | Jun–Sep | Aug (24°C) |
| Maui | Apr–May, Sep–Oct | Sep (22°C) |
| Nashville | Apr–May, Sep–Oct | Aug (32°C) |
| Austin | Mar–May, Oct–Nov | Aug (36°C) |
| Miami Beach | Nov–Apr | Aug (30°C) |
| Key West | Dec–Apr | Aug (30°C) |
| Denver | May–Jun, Sep–Oct | Jul (33°C) |
| Philadelphia | Apr–May, Sep–Oct | Jul (30°C) |
| Portland | Jun–Sep | Aug (29°C) |
| Atlanta | Mar–May, Oct–Nov | Jul (32°C) |
| San Antonio | Mar–May, Oct–Nov | Aug (36°C) |
| Charleston | Mar–May, Oct–Nov | Jul (32°C) |
| Savannah | Mar–May, Oct–Nov | Jul (33°C) |
| Fort Lauderdale | Dec–Apr | Aug (30°C) |
| Kauai | Apr–Jun, Sep–Oct | Sep (27°C) |
| Big Island | Apr–Jun, Sep–Oct | Aug (26°C) |
| Sedona | Mar–May, Sep–Nov | Jul (35°C) |
| Scottsdale | Feb–Apr, Oct–Nov | Jul (42°C) |
Quick answers
What is the best month to visit Washington, D.C.?
Mar–May, Sep–Oct. Late March–April has cherry blossoms and is very crowded; Sep–Oct is mild and dry. Jul–Aug is hot and humid; Jan–Feb is cold.
When is the rainy season in Washington, D.C.?
Rain peaks in June with about 118 mm. No month averages 150 mm or more.
What is the hottest month in Washington, D.C.?
July, with average highs of 31°C (88°F).
How cold does Washington, D.C. get?
The coolest nights are in January, averaging -4°C (26°F).
More about Washington, D.C.
- Weather & best timeacross United States
- Safetyin Washington, D.C.
- Cost of livingin Washington, D.C.
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- Internet & coworkingin Washington, D.C.
- Getting aroundin Washington, D.C.
- Tap waterin Washington, D.C.
- LGBTQ+ friendlyin Washington, D.C.
- Healthcare & insurancein Washington, D.C.
- Solo travelin Washington, D.C.
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Sources
- NASA POWER climatology (2001–2020)
- WMATA (Metrorail and Metrobus)
- Metropolitan Washington Airports Authority
- Destination DC (tourism)
- DC Water
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.