Average annual temperature is 7.3 °C
Absolute maximum temperature: 32.3 °C
Absolute minimum temperature: -20.4 °C
Number of sunny days: 142 days
Number of rainy days: 182 days
Number of snow days: 41 days
Look at detailed online map of Saiyanai
* Weather data for Saiyanai 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) | 4.7 | 6.6 | 11.0 | 17.3 | 24.1 | 25.5 | 32.3 | 32.2 | 26.8 | 21.0 | 15.9 | 8.8 |
| Average daytime temperature (°C) | -4.9 | -3.3 | 4.9 | 11.0 | 16.4 | 19.8 | 24.9 | 25.1 | 22.4 | 14.6 | 8.0 | -0.5 |
| Average temperature (°C) | -9.3 | -7.1 | 0.7 | 5.9 | 10.6 | 15.4 | 20.2 | 21.5 | 18.3 | 10.4 | 4.1 | -4.6 |
| Average night temperature (°C) | -13.3 | -10.6 | -3.5 | 1.9 | 6.1 | 12.0 | 16.7 | 18.9 | 15.4 | 7.1 | 0.6 | -8.2 |
| Absolute minimum temperature (°C) | -20.4 | -17.5 | -11.0 | -5.1 | -1.6 | 6.5 | 11.1 | 12.0 | 9.2 | 0.9 | -9.4 | -18.0 |
| 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) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.3 | 15.0 | 13.9 | 12.5 | 11.0 | 9.7 | 9.0 |
| 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 | 8.0 |
| Sunshine mean duration (h) | 7.3 | 7.6 | 8.0 | 7.9 | 9.5 | 7.9 | 9.0 | 6.5 | 7.8 | 7.7 | 6.2 | 6.1 |
| Precipitation (mm) | 26 | 38 | 95 | 192 | 54 | 117 | 111 | 142 | 200 | 123 | 108 | 48 |
| Sunny days | 19 | 13 | 17 | 10 | 11 | 5 | 11 | 6 | 7 | 15 | 15 | 13 |
| Rainy days | 0 | 2 | 11 | 19 | 20 | 25 | 20 | 25 | 23 | 16 | 15 | 6 |
| Snow days | 12 | 13 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 |
Months with the longest average daylight duration in Saiyanai:
The largest precipitation sum in Saiyanai is at