Average annual temperature is 12.5 °C
Absolute maximum temperature: 30.8 °C
Absolute minimum temperature: -9.9 °C
Number of sunny days: 121 days
Number of rainy days: 225 days
Number of snow days: 19 days
Look at detailed online map of Utsunobara
* Weather data for Utsunobara 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 | 12.3 | 19.3 | 23.2 | 26.6 | 26.4 | 30.7 | 30.8 | 28.6 | 21.4 | 21.8 | 16.5 |
| Average daytime temperature (°C) | 3.8 | 5.6 | 12.7 | 15.1 | 19.3 | 23.0 | 27.2 | 27.7 | 25.1 | 17.3 | 12.8 | 6.8 |
| Average temperature (°C) | 0.8 | 1.8 | 8.0 | 10.6 | 14.9 | 18.9 | 23.3 | 23.9 | 21.3 | 13.4 | 8.9 | 3.6 |
| Average night temperature (°C) | -1.6 | -1.3 | 4.4 | 7.1 | 11.8 | 16.2 | 20.6 | 21.5 | 19.0 | 10.7 | 5.8 | 1.2 |
| Absolute minimum temperature (°C) | -9.9 | -7.9 | -2.7 | 2.4 | 6.0 | 11.4 | 17.8 | 20.4 | 15.6 | 7.4 | -1.2 | -6.1 |
| 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) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| 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) | 5.7 | 5.8 | 7.9 | 7.7 | 8.3 | 7.8 | 9.0 | 9.2 | 8.2 | 8.1 | 6.8 | 5.6 |
| Precipitation (mm) | 113 | 121 | 87 | 235 | 185 | 248 | 220 | 168 | 108 | 29 | 71 | 129 |
| Sunny days | 10 | 9 | 18 | 15 | 13 | 9 | 5 | 3 | 3 | 15 | 11 | 10 |
| Rainy days | 12 | 15 | 12 | 15 | 18 | 21 | 26 | 28 | 27 | 16 | 19 | 16 |
| Snow days | 9 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The largest precipitation sum in Utsunobara is at