Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Granite City is from April, September, October. — consistent weather climate
🌦Humid
| Score | 11 | 24 | 44 | 72 | 72 | 72 | 46 | 68 | 84 | 80 | 51 | 22 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Cold | Cold | Cold | Cool & rainy | Humid | Humid | Hot & rainy | Humid | Humid | Cool & rainy | Cold | Cold |
| Temperature | -3–5°C | -2–9°C | 4–15°C | 8–19°C | 14–25°C | 20–30°C | 22–31°C | 21–30°C | 17–27°C | 11–21°C | 5–14°C | 1–9°C |
| Feels like | -7–1°C | -7–5°C | 1–13°C | 5–18°C | 14–25°C | 21–33°C | 24–35°C | 23–33°C | 18–28°C | 9–19°C | 1–11°C | -3–6°C |
| Precipitation | 108mm 10 days | 60mm 8 days | 137mm 10 days | 128mm 10 days | 142mm 11 days | 111mm 8 days | 180mm 11 days | 120mm 9 days | 89mm 6 days | 101mm 8 days | 73mm 5 days | 72mm 8 days |
| Sunshine | 4.8h ☀︎ 49% | 7.5h ☀︎ 69% | 7.6h ☀︎ 64% | 9.3h ☀︎ 70% | 9.8h ☀︎ 68% | 11.8h ☀︎ 80% | 11.8h ☀︎ 81% | 11.1h ☀︎ 82% | 10.3h ☀︎ 83% | 8.5h ☀︎ 77% | 7.6h ☀︎ 75% | 5.7h ☀︎ 59% |
| Wind | W · 19 km/h | W · 19 km/h | S · 21 km/h | SW · 22 km/h | S · 19 km/h | S · 16 km/h | SW · 15 km/h | S · 14 km/h | SE · 15 km/h | SW · 18 km/h | SW · 19 km/h | SW · 18 km/h |
| Humidity (%) | 72% | 66% | 67% | 63% | 69% | 65% | 73% | 74% | 70% | 67% | 68% | 73% |
| Day length | 9.8h | 10.8h | 12.0h | 13.2h | 14.3h | 14.8h | 14.6h | 13.6h | 12.4h | 11.2h | 10.1h | 9.5h |