Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Iiyama is from June, September, October. — some variation climate
🌧Rainy
| Score | 6 | 7 | 20 | 56 | 69 | 70 | 49 | 59 | 72 | 71 | 32 | 7 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Cold | Cold | Cold | Cold | Cool & rainy | Rainy | Rainy | Hot & rainy | Humid | Cool & rainy | Cold | Cold |
| Temperature | -2–5°C | -1–6°C | 1–11°C | 6–17°C | 11–21°C | 16–25°C | 21–28°C | 22–30°C | 19–26°C | 11–19°C | 6–14°C | 0–7°C |
| Feels like | -6–1°C | -5–2°C | -2–8°C | 4–15°C | 10–22°C | 17–27°C | 24–33°C | 25–35°C | 21–29°C | 10–19°C | 3–12°C | -4–4°C |
| Precipitation | 267mm 30 days | 213mm 28 days | 168mm 20 days | 155mm 16 days | 168mm 18 days | 164mm 18 days | 259mm 26 days | 126mm 16 days | 149mm 17 days | 155mm 19 days | 207mm 20 days | 342mm 30 days |
| Sunshine | 4.3h ☀︎ 43% | 5.4h ☀︎ 50% | 7.2h ☀︎ 60% | 8.5h ☀︎ 65% | 8.5h ☀︎ 60% | 7.5h ☀︎ 51% | 7.2h ☀︎ 50% | 9.5h ☀︎ 70% | 7.7h ☀︎ 62% | 7.0h ☀︎ 63% | 6.8h ☀︎ 66% | 4.9h ☀︎ 51% |
| Wind | N · 14 km/h | N · 14 km/h | N · 14 km/h | NO · 15 km/h | O · 15 km/h | SO · 13 km/h | O · 12 km/h | SO · 13 km/h | S · 13 km/h | NO · 13 km/h | NO · 13 km/h | N · 13 km/h |
| Humidity (%) | 78% | 77% | 75% | 74% | 75% | 81% | 86% | 82% | 83% | 82% | 80% | 79% |
| Day length | 10.0h | 10.8h | 12.0h | 13.2h | 14.2h | 14.6h | 14.4h | 13.5h | 12.4h | 11.2h | 10.2h | 9.7h |