Average annual temperature is 13.8 °C
Absolute maximum temperature: 36.4 °C
Absolute minimum temperature: -6.9 °C
Number of sunny days: 94 days
Number of rainy days: 253 days
Number of snow days: 18 days
Look at detailed online map of Oishi
* Weather data for Oishi 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) | 12.4 | 12.1 | 22.2 | 21.5 | 24.9 | 27.1 | 30.9 | 36.4 | 33.6 | 23.1 | 23.6 | 16.4 |
| Average daytime temperature (°C) | 4.1 | 4.2 | 11.7 | 14.5 | 18.7 | 23.4 | 27.3 | 32.9 | 27.5 | 19.0 | 13.9 | 7.7 |
| Average temperature (°C) | 1.8 | 1.9 | 7.3 | 10.7 | 14.7 | 20.3 | 24.3 | 28.9 | 23.9 | 15.3 | 10.8 | 5.0 |
| Average night temperature (°C) | -0.2 | -0.5 | 3.5 | 7.3 | 11.0 | 17.7 | 21.4 | 25.5 | 21.2 | 12.3 | 8.1 | 2.5 |
| Absolute minimum temperature (°C) | -6.9 | -4.9 | -2.5 | 0.6 | 3.9 | 13.2 | 16.3 | 22.0 | 13.8 | 7.6 | 2.1 | -4.2 |
| 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 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 4.3 | 5.3 | 8.2 | 8.0 | 8.7 | 8.3 | 9.2 | 11.8 | 7.9 | 7.9 | 5.3 | 3.8 |
| Precipitation (mm) | 191 | 115 | 119 | 136 | 168 | 189 | 372 | 84 | 247 | 239 | 332 | 268 |
| Sunny days | 1 | 3 | 15 | 12 | 11 | 5 | 11 | 12 | 6 | 8 | 7 | 3 |
| Rainy days | 20 | 17 | 16 | 18 | 20 | 25 | 20 | 19 | 24 | 23 | 23 | 28 |
| Snow days | 10 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Oishi during the most sunny months:
The largest precipitation sum in Oishi is at