Average annual temperature is 14.9 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: -5.4 °C
Number of sunny days: 152 days
Number of rainy days: 210 days
Number of snow days: 3 days
Look at detailed online map of Dekiji
* Weather data for Dekiji 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) | 17.9 | 15.2 | 24.0 | 25.0 | 27.7 | 30.8 | 32.8 | 33.5 | 34.4 | 27.0 | 24.0 | 19.9 |
| Average daytime temperature (°C) | 9.5 | 10.9 | 16.7 | 18.8 | 22.1 | 25.3 | 29.5 | 28.6 | 28.3 | 22.2 | 17.1 | 11.8 |
| Average temperature (°C) | 4.0 | 5.4 | 10.5 | 13.4 | 17.1 | 20.8 | 24.9 | 24.8 | 23.7 | 15.7 | 11.2 | 6.4 |
| Average night temperature (°C) | -0.1 | 0.9 | 5.4 | 8.3 | 12.7 | 17.4 | 21.1 | 22.1 | 20.3 | 10.6 | 6.8 | 2.3 |
| Absolute minimum temperature (°C) | -5.4 | -3.9 | -4.9 | 2.4 | 6.1 | 12.1 | 15.9 | 20.0 | 15.4 | 5.5 | -1.3 | -3.5 |
| 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) | 7.6 | 7.2 | 8.1 | 8.0 | 8.0 | 6.1 | 9.8 | 7.2 | 8.9 | 8.9 | 7.9 | 7.1 |
| Precipitation (mm) | 78 | 72 | 195 | 291 | 298 | 520 | 134 | 735 | 143 | 24 | 78 | 67 |
| Sunny days | 18 | 14 | 15 | 16 | 13 | 10 | 2 | 3 | 3 | 22 | 19 | 17 |
| Rainy days | 12 | 14 | 16 | 14 | 18 | 20 | 29 | 28 | 27 | 9 | 11 | 12 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The largest precipitation sum in Dekiji is at