Average annual temperature is 12.2 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: -9.6 °C
Number of sunny days: 92 days
Number of rainy days: 229 days
Number of snow days: 44 days
Look at detailed online map of Ōishidaira
* Weather data for Ōishidaira 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) | 8.7 | 8.1 | 14.7 | 17.8 | 25.4 | 27.6 | 32.5 | 34.3 | 30.8 | 22.4 | 21.2 | 13.5 |
| Average daytime temperature (°C) | 1.0 | 1.4 | 9.0 | 12.6 | 17.0 | 21.6 | 26.1 | 30.3 | 25.5 | 17.8 | 11.6 | 4.4 |
| Average temperature (°C) | -0.5 | 0.0 | 5.5 | 9.4 | 13.2 | 18.5 | 23.3 | 27.0 | 22.7 | 15.1 | 9.0 | 2.5 |
| Average night temperature (°C) | -2.2 | -1.6 | 2.8 | 7.0 | 10.3 | 16.1 | 21.2 | 24.6 | 20.6 | 13.0 | 6.7 | 0.6 |
| Absolute minimum temperature (°C) | -9.6 | -5.7 | -0.7 | 3.0 | 4.0 | 12.6 | 17.0 | 21.7 | 16.1 | 5.9 | -1.2 | -4.0 |
| 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 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 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) | 6.2 | 6.7 | 8.9 | 9.4 | 9.9 | 8.8 | 10.1 | 10.7 | 8.2 | 8.6 | 5.6 | 4.7 |
| Precipitation (mm) | 136 | 83 | 76 | 108 | 118 | 85 | 152 | 56 | 131 | 129 | 172 | 115 |
| Sunny days | 1 | 2 | 16 | 8 | 14 | 9 | 8 | 5 | 8 | 10 | 7 | 4 |
| Rainy days | 11 | 12 | 15 | 22 | 17 | 21 | 23 | 26 | 22 | 21 | 22 | 17 |
| Snow days | 19 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 10 |
The best time to visit Ōishidaira during the most sunny months:
The largest precipitation sum in Ōishidaira is at