Average annual temperature is 12.3 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: -12.6 °C
Number of sunny days: 77 days
Number of rainy days: 242 days
Number of snow days: 46 days
Look at detailed online map of Yonaizawa
* Weather data for Yonaizawa 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) | 11.4 | 9.3 | 20.9 | 21.3 | 25.9 | 28.3 | 32.2 | 36.2 | 33.0 | 23.0 | 23.8 | 13.8 |
| Average daytime temperature (°C) | 1.6 | 2.3 | 11.7 | 14.7 | 19.3 | 24.2 | 27.5 | 32.7 | 27.1 | 18.5 | 12.2 | 4.9 |
| Average temperature (°C) | -1.4 | -0.6 | 6.2 | 10.0 | 14.1 | 20.0 | 23.9 | 27.8 | 22.4 | 13.9 | 8.8 | 1.7 |
| Average night temperature (°C) | -4.2 | -3.7 | 1.8 | 6.3 | 10.0 | 16.5 | 20.9 | 24.2 | 19.1 | 10.5 | 5.8 | -1.2 |
| Absolute minimum temperature (°C) | -12.6 | -9.5 | -4.0 | -1.1 | 2.7 | 12.1 | 15.7 | 22.6 | 10.8 | 5.5 | -2.3 | -9.6 |
| 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) | 5.1 | 5.7 | 8.3 | 8.5 | 9.1 | 7.9 | 8.3 | 11.7 | 7.9 | 7.8 | 5.0 | 3.9 |
| Precipitation (mm) | 96 | 94 | 91 | 153 | 168 | 194 | 403 | 119 | 220 | 214 | 249 | 123 |
| Sunny days | 2 | 3 | 17 | 9 | 11 | 7 | 4 | 4 | 2 | 8 | 7 | 3 |
| Rainy days | 9 | 13 | 14 | 21 | 20 | 23 | 27 | 27 | 28 | 23 | 21 | 16 |
| Snow days | 20 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 12 |
The best time to visit Yonaizawa during the most sunny months:
The largest precipitation sum in Yonaizawa is at