Discover the best time of year, based on historical climate, temperature, and precipitation.
The best time to visit Philadelphia is May, September, October, when the weather, flight prices, and crowds align. — consistent weather climate
🌦Humid
| Score | 13 | 17 | 26 | 62 | 77 | 77 | 59 | 72 | 79 | 80 | 46 | 14 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Cold | Cold | Cold | Cool & rainy | Cool & rainy | Humid | Hot & rainy | Humid | Humid | Mild | Cold | Cold |
| Temperature | -3–5°C | -2–8°C | 1–12°C | 7–17°C | 12–23°C | 18–28°C | 21–31°C | 20–29°C | 17–26°C | 11–20°C | 4–13°C | 0–8°C |
| Feels like | -7–1°C | -6–4°C | -3–8°C | 3–15°C | 11–22°C | 18–29°C | 23–33°C | 22–32°C | 17–27°C | 9–18°C | 1–10°C | -4–5°C |
| Precipitation | 92mm 9 days | 88mm 9 days | 110mm 10 days | 107mm 9 days | 107mm 10 days | 107mm 10 days | 120mm 11 days | 114mm 10 days | 104mm 9 days | 98mm 8 days | 77mm 6 days | 109mm 10 days |
| Sunshine | 6.0h ☀︎ 62% | 6.7h ☀︎ 63% | 7.9h ☀︎ 66% | 8.7h ☀︎ 65% | 9.0h ☀︎ 63% | 11.2h ☀︎ 75% | 11.6h ☀︎ 79% | 10.7h ☀︎ 78% | 9.0h ☀︎ 72% | 7.9h ☀︎ 71% | 7.4h ☀︎ 74% | 5.6h ☀︎ 60% |
| Wind | W · 20 km/h | W · 20 km/h | NW · 21 km/h | W · 21 km/h | W · 18 km/h | SW · 18 km/h | SW · 16 km/h | W · 16 km/h | N · 16 km/h | W · 18 km/h | W · 19 km/h | W · 18 km/h |
| Humidity (%) | 66% | 66% | 63% | 64% | 68% | 67% | 70% | 71% | 71% | 71% | 68% | 71% |
| Day length | 9.7h | 10.7h | 12.0h | 13.3h | 14.4h | 15.0h | 14.7h | 13.7h | 12.4h | 11.1h | 10.0h | 9.4h |
| Tourist Crowds | Low season | Low season | Shoulder season | High season | High season | High season | High season | High season | High season | High season | High season | Shoulder season |
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