Average annual temperature is 16.5 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: -5.5 °C
Number of sunny days: 147 days
Number of rainy days: 216 days
Number of snow days: 2 days
Look at detailed online map of Byō
* Weather data for Byō 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) | 16.1 | 16.4 | 23.2 | 25.3 | 27.8 | 30.7 | 33.4 | 35.6 | 33.0 | 26.0 | 26.3 | 23.1 |
| Average daytime temperature (°C) | 9.2 | 10.2 | 15.6 | 18.8 | 22.3 | 25.7 | 30.6 | 31.9 | 29.2 | 22.2 | 17.9 | 12.0 |
| Average temperature (°C) | 5.5 | 6.8 | 11.2 | 14.4 | 18.3 | 22.3 | 27.0 | 27.9 | 25.2 | 17.7 | 13.2 | 8.2 |
| Average night temperature (°C) | 2.7 | 3.6 | 7.1 | 10.4 | 14.8 | 19.4 | 24.0 | 24.7 | 22.2 | 14.3 | 9.8 | 5.1 |
| Absolute minimum temperature (°C) | -5.5 | -1.2 | 0.1 | 5.3 | 8.0 | 14.3 | 21.0 | 22.8 | 19.4 | 9.6 | 4.4 | -1.5 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.3 | 14.1 | 13.4 | 12.4 | 11.3 | 10.4 | 10.0 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 6.4 | 6.5 | 8.1 | 7.9 | 8.5 | 7.3 | 8.8 | 10.4 | 9.5 | 8.5 | 7.5 | 6.0 |
| Precipitation (mm) | 116 | 101 | 120 | 191 | 278 | 271 | 271 | 127 | 131 | 37 | 36 | 69 |
| Sunny days | 15 | 10 | 19 | 15 | 13 | 7 | 7 | 3 | 6 | 22 | 17 | 13 |
| Rainy days | 16 | 18 | 12 | 15 | 18 | 23 | 24 | 28 | 24 | 9 | 13 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The best time to visit Byō during the most sunny months:
The largest precipitation sum in Byō is at