Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Iowa City is from June, August, September. — consistent weather climate
🌦Humid
| Score | 13 | 16 | 22 | 45 | 75 | 81 | 80 | 85 | 83 | 64 | 27 | 14 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Polar | Polar | Cold | Cold | Cool & rainy | Humid | Humid | Humid | Humid | Mild | Cold | Cold |
| Temperature | -9–-1°C | -9–2°C | -1–9°C | 5–15°C | 12–22°C | 18–28°C | 19–29°C | 18–28°C | 15–25°C | 8–17°C | 1–9°C | -4–4°C |
| Feels like | -15–-6°C | -14–-3°C | -5–5°C | 0–12°C | 10–21°C | 17–29°C | 20–31°C | 19–30°C | 15–26°C | 5–15°C | -4–5°C | -9–-1°C |
| Precipitation | 47mm 8 days | 43mm 7 days | 75mm 8 days | 96mm 10 days | 116mm 10 days | 104mm 7 days | 83mm 7 days | 86mm 6 days | 96mm 6 days | 94mm 8 days | 62mm 7 days | 59mm 7 days |
| Sunshine | 5.2h ☀︎ 55% | 7.5h ☀︎ 71% | 7.6h ☀︎ 63% | 8.9h ☀︎ 66% | 9.9h ☀︎ 68% | 11.9h ☀︎ 79% | 12.2h ☀︎ 82% | 11.5h ☀︎ 83% | 10.1h ☀︎ 81% | 7.7h ☀︎ 69% | 6.7h ☀︎ 69% | 5.2h ☀︎ 56% |
| Wind | W · 22 km/h | W · 24 km/h | N · 23 km/h | W · 25 km/h | SE · 22 km/h | S · 20 km/h | S · 17 km/h | S · 18 km/h | S · 19 km/h | SW · 23 km/h | SW · 23 km/h | W · 22 km/h |
| Humidity (%) | 76% | 69% | 67% | 65% | 69% | 67% | 74% | 72% | 70% | 66% | 69% | 72% |
| Day length | 9.6h | 10.6h | 12.0h | 13.4h | 14.6h | 15.1h | 14.8h | 13.8h | 12.5h | 11.1h | 9.8h | 9.2h |