Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Iwanai is from June, July, September. — some variation climate
🌦Cool & rainy
| Score | 8 | 9 | 14 | 32 | 64 | 74 | 75 | 60 | 74 | 43 | 6 | 6 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Polar | Polar | Cold | Cold | Cool & rainy | Cool & rainy | Humid | Rainy | Humid | Cool & rainy | Cold | Polar |
| Temperature | -6–-1°C | -5–-1°C | -2–4°C | 3–11°C | 9–17°C | 14–21°C | 19–25°C | 20–26°C | 16–23°C | 9–16°C | 3–9°C | -4–0°C |
| Feels like | -11–-6°C | -10–-5°C | -6–1°C | 0–8°C | 7–16°C | 14–23°C | 21–29°C | 23–30°C | 17–24°C | 7–14°C | -1–6°C | -9–-4°C |
| Precipitation | 139mm 30 days | 120mm 30 days | 101mm 18 days | 82mm 12 days | 128mm 15 days | 132mm 14 days | 119mm 14 days | 208mm 20 days | 132mm 13 days | 206mm 21 days | 206mm 29 days | 185mm 30 days |
| Sunshine | 3.1h ☀︎ 33% | 3.9h ☀︎ 37% | 6.9h ☀︎ 57% | 9.0h ☀︎ 67% | 8.4h ☀︎ 57% | 8.4h ☀︎ 55% | 9.3h ☀︎ 62% | 7.7h ☀︎ 56% | 8.3h ☀︎ 66% | 7.3h ☀︎ 66% | 4.4h ☀︎ 46% | 2.9h ☀︎ 32% |
| Wind | NW · 20 km/h | NW · 20 km/h | SW · 17 km/h | SW · 17 km/h | S · 15 km/h | S · 13 km/h | S · 12 km/h | SE · 13 km/h | SE · 14 km/h | W · 17 km/h | W · 20 km/h | W · 23 km/h |
| Humidity (%) | 79% | 78% | 78% | 77% | 80% | 84% | 87% | 87% | 82% | 79% | 78% | 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 |