Average annual temperature is 9.1 °C
Absolute maximum temperature: 32.0 °C
Absolute minimum temperature: -22.8 °C
Number of sunny days: 92 days
Number of rainy days: 209 days
Number of snow days: 64 days
Look at detailed online map of Osachinai
* Weather data for Osachinai 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 | 7.5 | 15.6 | 18.2 | 22.4 | 26.4 | 29.4 | 32.0 | 28.2 | 22.3 | 17.6 | 11.3 |
| Average daytime temperature (°C) | -2.5 | -0.7 | 8.0 | 12.1 | 17.0 | 21.8 | 25.8 | 28.8 | 23.9 | 16.2 | 9.1 | 1.4 |
| Average temperature (°C) | -7.9 | -5.0 | 2.9 | 7.6 | 12.0 | 17.4 | 21.8 | 25.0 | 19.8 | 11.3 | 5.2 | -2.3 |
| Average night temperature (°C) | -13.5 | -10.2 | -1.8 | 3.9 | 7.5 | 13.8 | 18.6 | 22.0 | 16.2 | 7.2 | 1.5 | -5.5 |
| Absolute minimum temperature (°C) | -22.8 | -18.6 | -12.0 | -2.3 | 0.1 | 5.3 | 13.6 | 17.8 | 8.6 | -0.2 | -9.3 | -12.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.5 | 11.9 | 13.4 | 14.6 | 15.3 | 15.0 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.9 | 7.4 | 8.3 | 8.0 | 9.7 | 9.5 | 9.9 | 9.1 | 7.4 | 8.0 | 6.2 | 5.5 |
| Precipitation (mm) | 26 | 55 | 104 | 165 | 62 | 123 | 126 | 168 | 261 | 125 | 176 | 46 |
| Sunny days | 9 | 6 | 15 | 6 | 11 | 6 | 6 | 1 | 6 | 11 | 7 | 8 |
| Rainy days | 1 | 4 | 13 | 24 | 20 | 24 | 25 | 30 | 24 | 20 | 16 | 8 |
| Snow days | 21 | 18 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 15 |
Months with the longest average daylight duration in Osachinai:
The largest precipitation sum in Osachinai is at