Monthly climate metrics across temperature, precipitation, wind, and UV.
| Metric | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature | |||||||||||||
| Daily high°C | 11 | 13 | 17 | 19 | 23 | 26 | 30 | 31 | 28 | 23 | 19 | 13 | 21 |
| Daily mean°C | 7 | 8 | 12 | 16 | 19 | 23 | 26 | 28 | 25 | 20 | 15 | 10 | 17 |
| Daily low°C | 4 | 4 | 7 | 11 | 16 | 20 | 24 | 26 | 21 | 14 | 11 | 6 | 14 |
| Thermal comfort | |||||||||||||
| High feelsDaily high feels-like°C | 15 | 16 | 19 | 21 | 26 | 30 | 33 | 34 | 31 | 26 | 22 | 16 | 24 |
| Mean feelsDaily mean feels-like°C | 5 | 6 | 10 | 15 | 20 | 25 | 29 | 31 | 26 | 18 | 13 | 6 | 17 |
| Low feelsDaily low feels-like°C | -6 | -4 | 1 | 6 | 12 | 18 | 23 | 25 | 19 | 8 | 3 | -5 | 8 |
| Humidity | |||||||||||||
| HumidityRelative humidity% | 60 | 61 | 66 | 65 | 74 | 81 | 83 | 81 | 79 | 73 | 69 | 62 | 71 |
| Dewpoint°C | 0.4 | 1.2 | 4.7 | 9.0 | 14.8 | 18.5 | 23.1 | 24.2 | 21.8 | 13.2 | 9.2 | 3.1 | 11.9 |
| Precipitation | |||||||||||||
| Rainfallmm | 53 | 73 | 228 | 186 | 186 | 310 | 409 | 302 | 255 | 134 | 77 | 45 | 2257 |
| Rain days≥1mm | 7 | 9 | 13 | 10 | 14 | 16 | 19 | 20 | 17 | 12 | 10 | 6 | 153 |
| Wind | |||||||||||||
| Wind avgm/s | 2.5 | 2.5 | 2.7 | 2.9 | 2.4 | 2.3 | 2.8 | 2.6 | 2.9 | 2.8 | 2.3 | 2.9 | 2.6 |
| Wind gustsm/s | 6.3 | 6.7 | 6.3 | 5.9 | 5.6 | 5.6 | 5.4 | 4.7 | 5.9 | 5.2 | 5.9 | 6.9 | 5.9 |
| Sun & UV | |||||||||||||
| Sunshinehrs/day | 8.2 | 8.8 | 9.2 | 10.0 | 9.7 | 9.7 | 9.7 | 9.9 | 9.0 | 8.0 | 7.6 | 8.6 | 9.0 |
| Clear skyindex | 47% | 54% | 49% | 49% | 36% | 31% | 37% | 48% | 44% | 44% | 56% | 70% | 47% |
| UV indexmax avg | 2.3 | 3.5 | 4.4 | 5.5 | 6.4 | 6.3 | 7.5 | 7.7 | 6.1 | 3.9 | 2.8 | 2.3 | 4.9 |
Compared across Japan
Izunokuni: -1.3 °C. Typical range in Japan: -9.4–-4.3 °C. Low anchor: Hakodate, -19.9 °C. High anchor: Naha, 8.1 °C.
728 cities tracked