Average annual temperature is 11.1 °C
Absolute maximum temperature: 32.8 °C
Absolute minimum temperature: -11.3 °C
Number of sunny days: 92 days
Number of rainy days: 235 days
Number of snow days: 38 days
Look at detailed online map of Jōko
* Weather data for Jōko Japan is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 10.2 | 9.8 | 17.0 | 22.1 | 27.1 | 25.1 | 32.4 | 32.8 | 30.7 | 21.2 | 20.8 | 12.5 |
| Average daytime temperature (°C) | 0.5 | 1.8 | 9.9 | 13.9 | 17.7 | 21.8 | 26.7 | 29.1 | 24.8 | 15.9 | 10.7 | 5.3 |
| Average temperature (°C) | -2.3 | -1.2 | 5.3 | 8.9 | 13.0 | 17.9 | 22.8 | 24.6 | 21.3 | 12.5 | 7.5 | 2.3 |
| Average night temperature (°C) | -4.7 | -3.8 | 1.7 | 5.2 | 9.1 | 15.1 | 19.9 | 21.5 | 18.9 | 9.8 | 5.0 | 0.1 |
| Absolute minimum temperature (°C) | -11.3 | -10.0 | -3.5 | -1.8 | 2.3 | 11.0 | 16.0 | 19.6 | 12.9 | 4.5 | -2.7 | -5.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.0 | 7.0 | 8.0 | 8.7 | 8.9 | 7.5 | 9.8 | 11.4 | 7.8 | 8.7 | 6.5 | 5.6 |
| Precipitation (mm) | 61 | 69 | 99 | 89 | 155 | 242 | 138 | 117 | 167 | 89 | 163 | 72 |
| Sunny days | 5 | 8 | 11 | 14 | 13 | 4 | 3 | 3 | 4 | 10 | 10 | 7 |
| Rainy days | 9 | 8 | 19 | 15 | 18 | 26 | 28 | 28 | 26 | 21 | 20 | 17 |
| Snow days | 17 | 12 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 |
The best time to visit Jōko during the most sunny months:
The largest precipitation sum in Jōko is at