Average annual temperature is 16.4 °C
Absolute maximum temperature: 34.7 °C
Absolute minimum temperature: -4.6 °C
Number of sunny days: 158 days
Number of rainy days: 204 days
Number of snow days: 3 days
Look at detailed online map of Deya
* Weather data for Deya 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) | 15.6 | 18.6 | 23.0 | 24.4 | 26.4 | 29.1 | 34.7 | 32.6 | 31.5 | 27.0 | 24.3 | 19.8 |
| Average daytime temperature (°C) | 9.4 | 10.7 | 16.2 | 18.6 | 21.7 | 25.2 | 30.4 | 29.7 | 28.6 | 22.0 | 17.4 | 12.9 |
| Average temperature (°C) | 5.6 | 6.6 | 11.8 | 14.7 | 18.3 | 22.1 | 26.5 | 26.6 | 25.2 | 17.4 | 12.8 | 8.4 |
| Average night temperature (°C) | 2.7 | 3.4 | 7.9 | 10.9 | 15.2 | 19.5 | 23.4 | 24.3 | 22.4 | 14.0 | 9.2 | 5.1 |
| Absolute minimum temperature (°C) | -4.6 | -0.7 | 2.3 | 6.2 | 10.4 | 15.2 | 20.4 | 22.7 | 19.2 | 9.8 | 3.6 | -0.1 |
| 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) | 10.2 | 11.0 | 12.0 | 13.0 | 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) | 7.5 | 7.4 | 8.3 | 8.4 | 9.1 | 6.9 | 11.2 | 10.0 | 9.5 | 8.6 | 8.0 | 7.6 |
| Precipitation (mm) | 53 | 40 | 130 | 242 | 271 | 515 | 74 | 399 | 168 | 165 | 101 | 62 |
| Sunny days | 17 | 17 | 15 | 13 | 13 | 9 | 7 | 0 | 7 | 18 | 20 | 22 |
| Rainy days | 11 | 11 | 16 | 17 | 18 | 21 | 24 | 31 | 23 | 13 | 10 | 9 |
| Snow days | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Deya during the most sunny months:
The largest precipitation sum in Deya is at