Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Rockford is from May, June, September. — consistent weather climate
🌦Humid
| Score | 10 | 13 | 18 | 39 | 81 | 81 | 81 | 80 | 85 | 57 | 18 | 10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Polar | Polar | Cold | Cold | Mild | Humid | Humid | Humid | Pleasant | Mild | Cold | Cold |
| Temperature | -6–0°C | -7–2°C | -1–9°C | 3–14°C | 10–21°C | 15–27°C | 18–28°C | 17–27°C | 13–23°C | 8–16°C | 2–9°C | -2–3°C |
| Feels like | -11–-4°C | -12–-3°C | -6–5°C | -1–11°C | 7–20°C | 15–27°C | 18–29°C | 17–28°C | 13–23°C | 5–14°C | -2–5°C | -7–-1°C |
| Precipitation | 65mm 15 days | 57mm 10 days | 90mm 11 days | 87mm 11 days | 86mm 9 days | 94mm 8 days | 84mm 9 days | 104mm 8 days | 64mm 7 days | 86mm 12 days | 62mm 10 days | 66mm 12 days |
| Sunshine | 2.3h ☀︎ 24% | 5.8h ☀︎ 56% | 6.7h ☀︎ 56% | 8.3h ☀︎ 62% | 10.3h ☀︎ 70% | 12.3h ☀︎ 80% | 12.3h ☀︎ 82% | 11.7h ☀︎ 84% | 9.5h ☀︎ 76% | 7.1h ☀︎ 65% | 5.0h ☀︎ 51% | 2.4h ☀︎ 26% |
| Wind | W · 18 km/h | W · 20 km/h | W · 21 km/h | SW · 21 km/h | S · 19 km/h | W · 19 km/h | W · 17 km/h | W · 16 km/h | S · 16 km/h | SW · 18 km/h | SW · 20 km/h | SW · 20 km/h |
| Humidity (%) | 80% | 73% | 68% | 66% | 63% | 63% | 69% | 71% | 72% | 73% | 74% | 79% |
| Day length | 9.4h | 10.5h | 12.0h | 13.4h | 14.7h | 15.3h | 15.0h | 13.9h | 12.5h | 11.0h | 9.7h | 9.1h |