Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Herstal is from July, August, September. — consistent weather climate
🌥Mild
| Score | 9 | 11 | 27 | 43 | 70 | 78 | 79 | 79 | 79 | 50 | 18 | 8 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Cold | Cold | Cold | Cold | Mild | Mild | Mild | Humid | Mild | Mild | Cold | Cold |
| Temperature | 1–6°C | 3–9°C | 3–11°C | 4–13°C | 8–18°C | 13–22°C | 13–22°C | 15–23°C | 12–20°C | 9–16°C | 5–10°C | 3–7°C |
| Feels like | -3–2°C | -1–5°C | -1–7°C | 1–10°C | 6–16°C | 11–22°C | 12–22°C | 14–23°C | 10–20°C | 7–13°C | 1–7°C | -1–3°C |
| Precipitation | 87mm 17 days | 87mm 17 days | 82mm 15 days | 55mm 13 days | 79mm 13 days | 95mm 11 days | 90mm 14 days | 88mm 14 days | 87mm 12 days | 86mm 13 days | 74mm 14 days | 87mm 17 days |
| Sunshine | 2.5h ☀︎ 29% | 4.1h ☀︎ 41% | 7.0h ☀︎ 59% | 8.9h ☀︎ 64% | 10.2h ☀︎ 65% | 11.3h ☀︎ 69% | 10.3h ☀︎ 64% | 10.4h ☀︎ 72% | 9.0h ☀︎ 72% | 5.0h ☀︎ 47% | 3.6h ☀︎ 40% | 1.8h ☀︎ 22% |
| Wind | SW · 23 km/h | SW · 27 km/h | SW · 22 km/h | NW · 20 km/h | W · 19 km/h | W · 17 km/h | W · 19 km/h | SW · 18 km/h | S · 17 km/h | S · 22 km/h | SW · 21 km/h | SW · 23 km/h |
| Humidity (%) | 87% | 81% | 76% | 71% | 72% | 71% | 71% | 73% | 78% | 83% | 87% | 88% |
| Day length | 8.6h | 10.1h | 11.9h | 13.8h | 15.5h | 16.4h | 16.0h | 14.5h | 12.6h | 10.7h | 9.0h | 8.1h |