Average annual temperature is 15.8 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: -5.0 °C
Number of sunny days: 151 days
Number of rainy days: 211 days
Number of snow days: 3 days
Look at detailed online map of Yōrō-gun
* Weather data for Yōrō-gun 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) | 15.1 | 15.5 | 21.3 | 25.7 | 29.6 | 30.6 | 36.0 | 36.2 | 33.8 | 26.0 | 24.6 | 19.5 |
| Average daytime temperature (°C) | 9.0 | 10.0 | 16.4 | 18.9 | 22.9 | 26.1 | 31.5 | 31.8 | 29.7 | 21.9 | 17.1 | 12.2 |
| Average temperature (°C) | 4.1 | 5.0 | 10.5 | 13.7 | 17.8 | 22.1 | 26.8 | 27.6 | 25.3 | 16.4 | 12.1 | 7.2 |
| Average night temperature (°C) | 0.2 | 1.0 | 5.7 | 9.2 | 13.4 | 18.6 | 22.8 | 24.5 | 22.1 | 12.0 | 8.2 | 3.4 |
| Absolute minimum temperature (°C) | -5.0 | -3.4 | -0.5 | 3.9 | 5.8 | 12.4 | 18.3 | 22.8 | 17.7 | 7.9 | 2.1 | -2.6 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.5 | 7.3 | 8.3 | 8.2 | 8.8 | 7.2 | 9.9 | 9.5 | 9.4 | 8.5 | 7.8 | 6.9 |
| Precipitation (mm) | 42 | 75 | 121 | 191 | 224 | 386 | 144 | 261 | 118 | 67 | 87 | 72 |
| Sunny days | 13 | 15 | 17 | 15 | 16 | 10 | 10 | 4 | 8 | 16 | 15 | 12 |
| Rainy days | 16 | 13 | 14 | 15 | 15 | 20 | 21 | 27 | 22 | 15 | 15 | 18 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Yōrō-gun is at