Average annual temperature is 10.1 °C
Absolute maximum temperature: 28.2 °C
Absolute minimum temperature: -15.3 °C
Number of sunny days: 154 days
Number of rainy days: 190 days
Number of snow days: 21 days
Look at detailed online map of Umijiri
* Weather data for Umijiri 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) | 11.2 | 9.8 | 16.2 | 21.2 | 23.6 | 25.4 | 28.2 | 27.5 | 27.4 | 21.2 | 19.0 | 15.2 |
| Average daytime temperature (°C) | 2.3 | 3.3 | 9.9 | 13.5 | 16.6 | 20.6 | 25.4 | 25.8 | 23.9 | 15.0 | 11.6 | 7.0 |
| Average temperature (°C) | -2.1 | -1.2 | 4.9 | 8.5 | 12.1 | 16.8 | 21.2 | 21.7 | 19.5 | 10.2 | 6.7 | 2.0 |
| Average night temperature (°C) | -5.3 | -5.3 | 1.1 | 4.2 | 8.5 | 13.8 | 17.7 | 18.5 | 16.3 | 6.4 | 3.0 | -1.7 |
| Absolute minimum temperature (°C) | -15.3 | -15.1 | -8.0 | -3.0 | 1.5 | 8.8 | 14.6 | 15.7 | 7.8 | 0.1 | -4.3 | -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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 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) | 7.7 | 7.9 | 8.6 | 9.4 | 9.3 | 8.1 | 9.9 | 11.0 | 9.5 | 8.9 | 8.1 | 7.8 |
| Precipitation (mm) | 27 | 67 | 109 | 95 | 195 | 305 | 86 | 87 | 132 | 81 | 68 | 32 |
| Sunny days | 18 | 15 | 13 | 16 | 12 | 5 | 7 | 6 | 6 | 17 | 19 | 20 |
| Rainy days | 5 | 6 | 17 | 14 | 19 | 25 | 24 | 25 | 24 | 14 | 9 | 8 |
| Snow days | 8 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The largest precipitation sum in Umijiri is at