Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Williamsport is from May, June, September. — consistent weather climate
🌦Humid
| Score | 10 | 12 | 26 | 50 | 77 | 80 | 73 | 74 | 76 | 69 | 36 | 10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Polar | Cold | Cold | Cold | Cool & rainy | Humid | Humid | Humid | Humid | Mild | Cold | Cold |
| Temperature | -5–3°C | -4–5°C | 0–11°C | 4–16°C | 9–21°C | 15–27°C | 18–30°C | 17–28°C | 13–23°C | 8–18°C | 2–11°C | -2–5°C |
| Feels like | -9–-1°C | -9–2°C | -4–7°C | 1–13°C | 8–21°C | 15–28°C | 20–32°C | 19–30°C | 14–24°C | 6–16°C | -1–8°C | -6–2°C |
| Precipitation | 87mm 11 days | 82mm 10 days | 85mm 11 days | 127mm 12 days | 101mm 11 days | 81mm 10 days | 102mm 10 days | 132mm 11 days | 118mm 10 days | 93mm 10 days | 67mm 7 days | 113mm 11 days |
| Sunshine | 4.0h ☀︎ 41% | 6.3h ☀︎ 59% | 6.9h ☀︎ 57% | 7.8h ☀︎ 58% | 9.7h ☀︎ 67% | 11.5h ☀︎ 76% | 11.8h ☀︎ 79% | 10.5h ☀︎ 77% | 9.0h ☀︎ 72% | 7.3h ☀︎ 65% | 7.1h ☀︎ 72% | 3.9h ☀︎ 42% |
| Wind | W · 15 km/h | W · 16 km/h | W · 17 km/h | W · 17 km/h | W · 14 km/h | W · 14 km/h | W · 13 km/h | W · 13 km/h | W · 12 km/h | W · 13 km/h | W · 15 km/h | SW · 14 km/h |
| Humidity (%) | 74% | 69% | 68% | 69% | 71% | 70% | 72% | 74% | 77% | 77% | 74% | 77% |
| Day length | 9.6h | 10.6h | 12.0h | 13.3h | 14.5h | 15.1h | 14.8h | 13.8h | 12.5h | 11.1h | 9.9h | 9.3h |