Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Mount Vernon is from July, August, September. — consistent weather climate
🌥Mild
| Score | 5 | 8 | 23 | 42 | 71 | 80 | 93 | 89 | 81 | 48 | 6 | 5 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Cold | Cold | Cold | Cold | Mild | Mild | Pleasant | Pleasant | Mild | Cold | Cold | Cold |
| Temperature | 2–8°C | 2–8°C | 3–11°C | 4–14°C | 8–17°C | 11–21°C | 13–24°C | 13–24°C | 11–21°C | 8–15°C | 4–9°C | 2–7°C |
| Feels like | -1–5°C | -2–5°C | -1–8°C | 2–11°C | 6–16°C | 10–21°C | 12–25°C | 13–25°C | 11–21°C | 6–14°C | 0–7°C | -2–4°C |
| Precipitation | 186mm 24 days | 150mm 22 days | 116mm 20 days | 105mm 18 days | 92mm 15 days | 71mm 13 days | 19mm 5 days | 38mm 6 days | 72mm 9 days | 147mm 17 days | 203mm 21 days | 204mm 23 days |
| Sunshine | 2.3h ☀︎ 26% | 3.3h ☀︎ 33% | 5.6h ☀︎ 47% | 7.7h ☀︎ 56% | 8.4h ☀︎ 55% | 10.2h ☀︎ 64% | 12.9h ☀︎ 83% | 11.1h ☀︎ 78% | 8.9h ☀︎ 71% | 5.5h ☀︎ 51% | 3.2h ☀︎ 34% | 2.1h ☀︎ 25% |
| Wind | SE · 18 km/h | SE · 15 km/h | SE · 15 km/h | S · 16 km/h | SW · 14 km/h | SW · 13 km/h | SW · 11 km/h | SW · 11 km/h | SW · 13 km/h | SE · 15 km/h | SE · 17 km/h | SE · 17 km/h |
| Humidity (%) | 82% | 83% | 79% | 76% | 77% | 76% | 72% | 76% | 79% | 84% | 83% | 84% |
| Day length | 8.8h | 10.2h | 11.9h | 13.7h | 15.2h | 16.0h | 15.6h | 14.3h | 12.6h | 10.8h | 9.2h | 8.4h |