Average annual temperature is 11.0 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: -14.0 °C
Number of sunny days: 72 days
Number of rainy days: 236 days
Number of snow days: 57 days
Look at detailed online map of Osanai
* Weather data for Osanai 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) | 8.6 | 8.4 | 19.6 | 21.5 | 26.7 | 28.5 | 31.7 | 35.1 | 32.2 | 21.9 | 23.2 | 13.3 |
| Average daytime temperature (°C) | -0.1 | 1.1 | 10.3 | 14.2 | 18.5 | 23.5 | 27.0 | 31.8 | 26.1 | 17.4 | 11.1 | 3.7 |
| Average temperature (°C) | -3.0 | -1.7 | 4.4 | 9.0 | 13.1 | 19.0 | 23.0 | 26.5 | 21.3 | 12.4 | 7.3 | 0.4 |
| Average night temperature (°C) | -5.8 | -4.3 | -0.4 | 5.0 | 8.4 | 15.2 | 19.7 | 22.7 | 17.9 | 8.7 | 4.1 | -2.7 |
| Absolute minimum temperature (°C) | -14.0 | -10.9 | -7.8 | -0.9 | 0.9 | 9.8 | 14.4 | 19.5 | 9.8 | 3.1 | -4.2 | -10.5 |
| 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 | 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) | 4.8 | 5.9 | 8.3 | 8.8 | 9.3 | 8.4 | 9.1 | 11.3 | 8.1 | 8.3 | 4.9 | 4.2 |
| Precipitation (mm) | 96 | 90 | 98 | 141 | 168 | 175 | 260 | 92 | 205 | 146 | 248 | 120 |
| Sunny days | 1 | 2 | 14 | 9 | 9 | 8 | 4 | 5 | 3 | 10 | 4 | 3 |
| Rainy days | 8 | 9 | 16 | 21 | 22 | 22 | 27 | 26 | 27 | 21 | 23 | 14 |
| Snow days | 22 | 17 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 14 |
The best time to visit Osanai during the most sunny months:
The largest precipitation sum in Osanai is at