Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Mount Vernon is from June, August, September. — consistent weather climate
🌦Humid
| Score | 9 | 13 | 27 | 50 | 75 | 79 | 77 | 78 | 83 | 73 | 33 | 11 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Polar | Cold | Cold | Cold | Cool & rainy | Humid | Humid | Humid | Pleasant | Mild | Cold | Cold |
| Temperature | -4–3°C | -4–6°C | 1–12°C | 5–16°C | 11–22°C | 16–27°C | 19–29°C | 18–27°C | 15–24°C | 9–18°C | 3–11°C | -1–6°C |
| Feels like | -8–-1°C | -9–2°C | -3–9°C | 2–14°C | 9–21°C | 16–28°C | 20–31°C | 19–29°C | 14–25°C | 7–16°C | -1–8°C | -5–2°C |
| Precipitation | 99mm 14 days | 80mm 10 days | 112mm 11 days | 125mm 12 days | 121mm 13 days | 90mm 10 days | 88mm 11 days | 97mm 11 days | 70mm 8 days | 69mm 9 days | 71mm 8 days | 79mm 12 days |
| Sunshine | 3.1h ☀︎ 32% | 6.1h ☀︎ 57% | 6.8h ☀︎ 57% | 8.3h ☀︎ 63% | 9.0h ☀︎ 62% | 12.1h ☀︎ 81% | 11.9h ☀︎ 81% | 11.1h ☀︎ 81% | 9.8h ☀︎ 79% | 8.0h ☀︎ 72% | 6.5h ☀︎ 65% | 3.6h ☀︎ 39% |
| Wind | W · 19 km/h | W · 20 km/h | W · 21 km/h | SW · 20 km/h | SW · 17 km/h | SW · 17 km/h | W · 15 km/h | W · 15 km/h | SW · 15 km/h | SW · 17 km/h | SW · 19 km/h | SW · 19 km/h |
| Humidity (%) | 74% | 71% | 67% | 66% | 69% | 67% | 71% | 74% | 71% | 70% | 70% | 76% |
| Day length | 9.7h | 10.7h | 12.0h | 13.3h | 14.4h | 15.0h | 14.7h | 13.7h | 12.4h | 11.1h | 9.9h | 9.3h |