Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Mount Vernon is from May, September, October. — consistent weather climate
☀️Pleasant
| Score | 10 | 22 | 47 | 76 | 77 | 73 | 54 | 73 | 87 | 84 | 52 | 20 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Cold | Cold | Cold | Cool & rainy | Humid | Pleasant | Hot & rainy | Humid | Pleasant | Mild | Cold | Cold |
| Temperature | -2–6°C | -2–9°C | 5–16°C | 9–20°C | 14–25°C | 19–31°C | 21–31°C | 21–30°C | 17–27°C | 11–21°C | 5–14°C | 1–9°C |
| Feels like | -7–2°C | -6–5°C | 1–13°C | 6–18°C | 14–25°C | 20–32°C | 24–35°C | 23–33°C | 17–28°C | 9–19°C | 1–11°C | -3–6°C |
| Precipitation | 111mm 10 days | 84mm 7 days | 142mm 9 days | 113mm 9 days | 109mm 10 days | 63mm 7 days | 120mm 10 days | 83mm 8 days | 66mm 6 days | 76mm 7 days | 62mm 5 days | 91mm 8 days |
| Sunshine | 5.0h ☀︎ 51% | 7.4h ☀︎ 69% | 7.8h ☀︎ 65% | 9.5h ☀︎ 72% | 9.9h ☀︎ 69% | 11.7h ☀︎ 79% | 11.9h ☀︎ 82% | 11.4h ☀︎ 84% | 10.3h ☀︎ 83% | 8.6h ☀︎ 76% | 7.5h ☀︎ 75% | 5.8h ☀︎ 60% |
| Wind | W · 18 km/h | W · 19 km/h | S · 21 km/h | SW · 21 km/h | S · 18 km/h | S · 16 km/h | SW · 14 km/h | SW · 13 km/h | E · 14 km/h | SW · 17 km/h | SW · 18 km/h | SW · 19 km/h |
| Humidity (%) | 70% | 65% | 65% | 62% | 66% | 62% | 71% | 71% | 67% | 65% | 66% | 72% |
| Day length | 9.8h | 10.8h | 12.0h | 13.2h | 14.3h | 14.8h | 14.5h | 13.6h | 12.4h | 11.2h | 10.1h | 9.5h |