Average annual temperature is 11.3 °C
Absolute maximum temperature: 32.3 °C
Absolute minimum temperature: -11.6 °C
Number of sunny days: 129 days
Number of rainy days: 217 days
Number of snow days: 19 days
Look at detailed online map of Ryōishi
* Weather data for Ryōishi 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) | 12.6 | 11.4 | 16.7 | 19.3 | 27.3 | 27.6 | 32.3 | 32.2 | 29.2 | 23.4 | 22.0 | 14.6 |
| Average daytime temperature (°C) | 2.5 | 2.9 | 10.0 | 14.3 | 16.9 | 21.0 | 26.1 | 28.0 | 24.2 | 17.4 | 12.6 | 5.8 |
| Average temperature (°C) | -1.1 | -0.9 | 5.2 | 9.4 | 12.7 | 17.8 | 22.6 | 25.1 | 21.0 | 13.0 | 8.1 | 2.2 |
| Average night temperature (°C) | -3.7 | -4.2 | 1.2 | 5.3 | 9.2 | 15.3 | 19.4 | 22.7 | 18.6 | 9.3 | 4.7 | -0.7 |
| Absolute minimum temperature (°C) | -11.6 | -10.3 | -5.4 | 0.0 | 2.2 | 10.6 | 15.6 | 19.9 | 11.8 | 3.1 | -3.7 | -5.0 |
| 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 | 14.9 | 14.6 | 13.7 | 12.5 | 11.2 | 10.0 | 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) | 6.8 | 7.6 | 8.7 | 9.1 | 8.4 | 7.8 | 9.4 | 11.1 | 7.3 | 8.7 | 6.7 | 5.8 |
| Precipitation (mm) | 30 | 63 | 152 | 101 | 133 | 221 | 155 | 109 | 184 | 78 | 80 | 65 |
| Sunny days | 15 | 12 | 19 | 18 | 11 | 8 | 4 | 6 | 5 | 9 | 11 | 11 |
| Rainy days | 9 | 11 | 12 | 12 | 20 | 22 | 27 | 25 | 25 | 22 | 18 | 14 |
| Snow days | 7 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 |
The best time to visit Ryōishi during the most sunny months:
The largest precipitation sum in Ryōishi is at