Average annual temperature is 11.4 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: -16.0 °C
Number of sunny days: 112 days
Number of rainy days: 214 days
Number of snow days: 39 days
Look at detailed online map of Okiyamatai
* Weather data for Okiyamatai 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) | 11.7 | 11.6 | 21.3 | 21.9 | 27.3 | 28.6 | 34.6 | 35.5 | 32.3 | 24.3 | 22.7 | 14.5 |
| Average daytime temperature (°C) | 1.4 | 1.8 | 11.4 | 15.3 | 19.4 | 23.4 | 27.9 | 31.0 | 25.9 | 18.5 | 12.1 | 3.9 |
| Average temperature (°C) | -2.3 | -1.7 | 5.1 | 10.0 | 13.7 | 18.9 | 23.5 | 26.8 | 21.6 | 13.0 | 7.8 | -0.1 |
| Average night temperature (°C) | -6.0 | -5.8 | -0.3 | 5.7 | 8.7 | 15.5 | 20.0 | 23.3 | 17.9 | 8.5 | 4.2 | -4.2 |
| Absolute minimum temperature (°C) | -16.0 | -12.2 | -6.5 | -1.2 | 0.6 | 9.8 | 15.4 | 20.7 | 9.6 | 3.3 | -9.2 | -13.5 |
| 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 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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 | 6.8 | 8.5 | 9.1 | 9.0 | 7.9 | 9.6 | 10.4 | 7.5 | 8.4 | 5.7 | 5.6 |
| Precipitation (mm) | 70 | 66 | 67 | 96 | 105 | 114 | 181 | 144 | 127 | 89 | 104 | 72 |
| Sunny days | 6 | 6 | 19 | 10 | 14 | 11 | 6 | 7 | 4 | 13 | 8 | 8 |
| Rainy days | 8 | 12 | 12 | 20 | 17 | 19 | 25 | 24 | 26 | 18 | 20 | 13 |
| Snow days | 17 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 10 |
The best time to visit Okiyamatai during the most sunny months:
The largest precipitation sum in Okiyamatai is at