Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Sioux City is from June, August, September. — consistent weather climate
🌦Humid
| Score | 15 | 18 | 24 | 45 | 75 | 82 | 82 | 83 | 86 | 61 | 29 | 15 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Polar | Polar | Cold | Cold | Cool & rainy | Humid | Pleasant | Humid | Pleasant | Mild | Cold | Polar |
| Temperature | -10–-1°C | -10–1°C | -2–9°C | 4–15°C | 11–22°C | 18–28°C | 19–29°C | 18–28°C | 16–26°C | 7–17°C | 0–9°C | -6–2°C |
| Feels like | -16–-6°C | -15–-4°C | -7–5°C | 0–12°C | 9–20°C | 17–30°C | 20–32°C | 19–30°C | 14–25°C | 3–13°C | -5–5°C | -12–-3°C |
| Precipitation | 32mm 6 days | 26mm 5 days | 59mm 7 days | 85mm 9 days | 117mm 11 days | 96mm 7 days | 69mm 5 days | 96mm 6 days | 66mm 6 days | 69mm 6 days | 39mm 5 days | 40mm 6 days |
| Sunshine | 6.0h ☀︎ 64% | 7.9h ☀︎ 75% | 8.3h ☀︎ 69% | 9.2h ☀︎ 69% | 10.1h ☀︎ 69% | 12.9h ☀︎ 84% | 13.1h ☀︎ 87% | 11.4h ☀︎ 82% | 10.3h ☀︎ 83% | 8.2h ☀︎ 75% | 7.0h ☀︎ 72% | 6.3h ☀︎ 69% |
| Wind | W · 23 km/h | W · 23 km/h | N · 25 km/h | NW · 27 km/h | SE · 23 km/h | SE · 22 km/h | SE · 18 km/h | SE · 20 km/h | S · 23 km/h | W · 24 km/h | SW · 23 km/h | W · 23 km/h |
| Humidity (%) | 74% | 67% | 63% | 60% | 65% | 65% | 70% | 71% | 66% | 63% | 67% | 70% |
| Day length | 9.5h | 10.6h | 12.0h | 13.4h | 14.6h | 15.2h | 14.9h | 13.8h | 12.5h | 11.0h | 9.8h | 9.1h |