Average annual temperature is 11.1 °C
Absolute maximum temperature: 29.0 °C
Absolute minimum temperature: -10.1 °C
Number of sunny days: 100 days
Number of rainy days: 228 days
Number of snow days: 37 days
Look at detailed online map of San’yōshi
* Weather data for San’yōshi 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) | 9.5 | 7.9 | 10.9 | 14.5 | 17.8 | 21.7 | 26.1 | 29.0 | 27.2 | 21.2 | 19.8 | 13.4 |
| Average daytime temperature (°C) | 0.8 | 1.5 | 7.1 | 9.9 | 13.4 | 17.8 | 22.4 | 26.5 | 23.5 | 16.4 | 11.0 | 4.0 |
| Average temperature (°C) | -1.1 | 0.0 | 4.9 | 8.0 | 11.3 | 16.3 | 21.0 | 24.9 | 21.7 | 14.5 | 8.4 | 2.0 |
| Average night temperature (°C) | -2.7 | -1.6 | 3.3 | 6.7 | 9.9 | 15.1 | 19.9 | 23.5 | 20.2 | 12.7 | 6.2 | 0.2 |
| Absolute minimum temperature (°C) | -10.1 | -5.7 | -0.5 | 3.6 | 4.6 | 12.1 | 16.2 | 21.5 | 15.5 | 6.5 | -1.4 | -4.5 |
| 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 | 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 | 6.4 | 8.8 | 9.2 | 9.6 | 8.6 | 10.0 | 10.9 | 7.7 | 8.0 | 5.6 | 4.6 |
| Precipitation (mm) | 216 | 121 | 63 | 127 | 100 | 92 | 127 | 71 | 154 | 222 | 206 | 171 |
| Sunny days | 1 | 2 | 15 | 8 | 15 | 14 | 10 | 13 | 11 | 7 | 3 | 1 |
| Rainy days | 14 | 15 | 16 | 22 | 16 | 16 | 21 | 18 | 19 | 24 | 26 | 21 |
| Snow days | 16 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 9 |
The best time to visit San’yōshi during the most sunny months:
The largest precipitation sum in San’yōshi is at