Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Janesville is from June, August, September. — consistent weather climate
🌦Humid
| Score | 11 | 18 | 19 | 38 | 79 | 82 | 81 | 86 | 82 | 63 | 27 | 12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Polar | Polar | Cold | Cold | Cool & rainy | Humid | Humid | Pleasant | Humid | Mild | Cold | Polar |
| Temperature | -9–-1°C | -8–2°C | -1–9°C | 4–14°C | 10–21°C | 16–28°C | 18–28°C | 18–28°C | 14–24°C | 7–17°C | 1–9°C | -5–3°C |
| Feels like | -14–-5°C | -14–-3°C | -6–5°C | 0–11°C | 8–21°C | 16–28°C | 19–30°C | 18–30°C | 13–24°C | 4–14°C | -3–5°C | -9–-1°C |
| Precipitation | 54mm 11 days | 38mm 6 days | 84mm 10 days | 110mm 11 days | 102mm 9 days | 88mm 8 days | 106mm 7 days | 62mm 7 days | 96mm 7 days | 81mm 8 days | 54mm 7 days | 53mm 7 days |
| Sunshine | 3.9h ☀︎ 42% | 7.6h ☀︎ 72% | 7.0h ☀︎ 59% | 8.4h ☀︎ 62% | 9.8h ☀︎ 67% | 11.8h ☀︎ 77% | 12.2h ☀︎ 81% | 11.6h ☀︎ 84% | 9.8h ☀︎ 79% | 8.0h ☀︎ 73% | 6.4h ☀︎ 65% | 4.0h ☀︎ 44% |
| Wind | W · 18 km/h | W · 20 km/h | SW · 21 km/h | SW · 22 km/h | S · 20 km/h | SW · 19 km/h | W · 16 km/h | SW · 16 km/h | S · 17 km/h | W · 20 km/h | SW · 21 km/h | W · 20 km/h |
| Humidity (%) | 80% | 71% | 68% | 65% | 65% | 63% | 69% | 71% | 70% | 68% | 70% | 75% |
| Day length | 9.5h | 10.6h | 12.0h | 13.4h | 14.6h | 15.3h | 15.0h | 13.9h | 12.5h | 11.0h | 9.8h | 9.1h |