Average annual temperature is 9.8 °C
Absolute maximum temperature: 32.3 °C
Absolute minimum temperature: -17.5 °C
Number of sunny days: 103 days
Number of rainy days: 209 days
Number of snow days: 53 days
Look at detailed online map of Okunakayama
* Weather data for Okunakayama 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) | 7.1 | 6.9 | 17.1 | 19.7 | 25.7 | 26.4 | 32.1 | 32.3 | 31.1 | 21.3 | 19.5 | 10.7 |
| Average daytime temperature (°C) | -1.1 | 0.1 | 9.3 | 13.4 | 17.5 | 21.8 | 26.4 | 29.7 | 24.3 | 15.9 | 9.8 | 2.6 |
| Average temperature (°C) | -4.5 | -3.2 | 3.7 | 8.1 | 12.0 | 17.5 | 21.9 | 25.0 | 19.9 | 10.9 | 5.9 | -0.7 |
| Average night temperature (°C) | -8.3 | -6.4 | -0.9 | 3.9 | 7.6 | 14.2 | 18.4 | 21.8 | 16.9 | 7.1 | 2.7 | -3.6 |
| Absolute minimum temperature (°C) | -17.5 | -13.9 | -10.0 | -2.5 | -1.6 | 8.5 | 12.8 | 18.7 | 8.8 | 2.0 | -5.3 | -9.2 |
| 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 | 15.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.4 |
| 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) | 5.5 | 6.5 | 8.6 | 8.9 | 8.8 | 8.6 | 9.8 | 11.0 | 7.8 | 8.2 | 5.5 | 4.8 |
| Precipitation (mm) | 77 | 61 | 80 | 120 | 114 | 149 | 144 | 64 | 153 | 115 | 139 | 108 |
| Sunny days | 4 | 6 | 21 | 11 | 11 | 7 | 6 | 8 | 4 | 9 | 8 | 8 |
| Rainy days | 5 | 4 | 9 | 19 | 20 | 23 | 25 | 23 | 26 | 22 | 20 | 13 |
| Snow days | 22 | 18 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 10 |
The best time to visit Okunakayama during the most sunny months:
The largest precipitation sum in Okunakayama is at