Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Alton is from June, July, August. — consistent weather climate
🌥Mild
| Score | 10 | 10 | 20 | 41 | 62 | 81 | 81 | 82 | 78 | 41 | 20 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Cold | Cold | Cold | Cold | Mild | Mild | Mild | Mild | Mild | Cool & rainy | Cold | Cold |
| Temperature | 2–7°C | 4–9°C | 4–10°C | 4–13°C | 8–16°C | 11–20°C | 13–21°C | 13–21°C | 11–19°C | 9–15°C | 5–11°C | 4–8°C |
| Feels like | -2–3°C | -1–5°C | 0–6°C | 1–10°C | 5–14°C | 9–19°C | 11–20°C | 12–20°C | 10–18°C | 7–13°C | 2–8°C | 0–5°C |
| Precipitation | 78mm 11 days | 84mm 13 days | 77mm 15 days | 56mm 9 days | 61mm 12 days | 61mm 11 days | 63mm 13 days | 57mm 11 days | 78mm 11 days | 125mm 16 days | 85mm 11 days | 90mm 14 days |
| Sunshine | 3.5h ☀︎ 41% | 3.7h ☀︎ 37% | 5.6h ☀︎ 47% | 9.4h ☀︎ 68% | 10.1h ☀︎ 65% | 11.7h ☀︎ 71% | 10.8h ☀︎ 67% | 9.2h ☀︎ 64% | 7.7h ☀︎ 61% | 5.1h ☀︎ 48% | 3.7h ☀︎ 42% | 2.2h ☀︎ 28% |
| Wind | W · 24 km/h | SW · 28 km/h | SW · 24 km/h | NE · 21 km/h | W · 20 km/h | W · 20 km/h | SW · 21 km/h | W · 20 km/h | W · 20 km/h | SW · 23 km/h | W · 23 km/h | SW · 25 km/h |
| Humidity (%) | 89% | 85% | 82% | 74% | 75% | 74% | 75% | 77% | 81% | 86% | 88% | 90% |
| Day length | 8.5h | 10.0h | 11.9h | 13.9h | 15.6h | 16.5h | 16.0h | 14.5h | 12.6h | 10.7h | 8.9h | 8.0h |