Best time to visit Washington DC, United States
Based on 2020–2024 of daily weather data, the best months to visit Washington DC are May, June, October — when temperatures are comfortable, rainfall is low, and sunshine is plentiful.
Months ranked by travel comfort
| Rank | Month | High | Low | Precip | Rainy days | Sun | Score |
|---|---|---|---|---|---|---|---|
| 1 ★ | May | 23.1° | 12.3° | 531 mm | 89 | 9.8 h | 80 |
| 2 ★ | June | 29.1° | 17.9° | 625.3 mm | 83 | 11.6 h | 78 |
| 3 ★ | October | 20.4° | 10.6° | 461.8 mm | 71 | 8.1 h | 78 |
| 4 | September | 25.7° | 16.4° | 670.1 mm | 77 | 8.9 h | 75 |
| 5 | April | 18.9° | 7.6° | 526.3 mm | 87 | 9.2 h | 72 |
| 6 | July | 31.6° | 21.4° | 808.2 mm | 114 | 11.9 h | 68 |
| 7 | August | 29.7° | 20.3° | 1091.1 mm | 112 | 10.5 h | 65 |
| 8 | November | 14.2° | 4.8° | 454.6 mm | 53 | 7.9 h | 65 |
| 9 | March | 14.5° | 3.6° | 484.6 mm | 72 | 7.9 h | 62 |
| 10 | February | 9.6° | -0.1° | 445.8 mm | 68 | 6.8 h | 51 |
| 11 | December | 9.2° | 0.7° | 581.2 mm | 68 | 6.2 h | 47 |
| 12 | January | 7.3° | -1.1° | 434.5 mm | 71 | 5.9 h | 46 |
Score (0–100) blends ideal-temperature comfort (50%), low-rainfall (30%), and sunshine (20%). Higher is better for a typical sightseeing trip.
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