Best time to visit Philadelphia, United States
Based on 2020–2024 of daily weather data, the best months to visit Philadelphia are June, May, September — 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 ★ | June | 28.8° | 17.6° | 409.2 mm | 74 | 11.6 h | 85 |
| 2 ★ | May | 22.7° | 11.8° | 457.5 mm | 72 | 10.1 h | 83 |
| 3 ★ | September | 25.8° | 16.3° | 540.7 mm | 73 | 9.1 h | 79 |
| 4 | October | 20.3° | 10.6° | 431.4 mm | 68 | 8.1 h | 79 |
| 5 | August | 29.9° | 20.3° | 661.6 mm | 102 | 10.5 h | 76 |
| 6 | July | 31.4° | 21.5° | 636.7 mm | 109 | 11.7 h | 73 |
| 7 | April | 17.5° | 6.7° | 631.2 mm | 85 | 9.1 h | 67 |
| 8 | November | 13.9° | 4.4° | 394.4 mm | 52 | 7.8 h | 65 |
| 9 | March | 13° | 2.5° | 580.1 mm | 77 | 7.8 h | 56 |
| 10 | February | 8° | -1.5° | 432.8 mm | 66 | 6.8 h | 49 |
| 11 | December | 8.1° | 0.1° | 536.6 mm | 69 | 5.9 h | 46 |
| 12 | January | 6.4° | -1.8° | 469 mm | 69 | 5.9 h | 44 |
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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