Average annual temperature is 16.9 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -5.8 °C
Number of sunny days: 151 days
Number of rainy days: 214 days
Look at detailed online map of Aya
* Weather data for Aya 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) | 21.2 | 20.0 | 24.4 | 26.2 | 32.7 | 31.8 | 33.7 | 35.2 | 33.2 | 27.6 | 26.7 | 22.4 |
| Average daytime temperature (°C) | 12.3 | 13.8 | 18.1 | 20.6 | 24.1 | 26.5 | 30.6 | 29.6 | 29.9 | 23.4 | 19.3 | 14.0 |
| Average temperature (°C) | 6.3 | 8.4 | 12.7 | 15.7 | 19.2 | 22.5 | 26.6 | 26.0 | 25.2 | 17.5 | 13.4 | 8.3 |
| Average night temperature (°C) | 1.6 | 3.6 | 8.2 | 11.5 | 14.9 | 19.3 | 23.7 | 23.4 | 21.7 | 12.6 | 8.9 | 3.9 |
| Absolute minimum temperature (°C) | -5.8 | -3.8 | -1.5 | 2.1 | 7.9 | 14.4 | 21.9 | 21.6 | 19.5 | 6.2 | 0.5 | -5.0 |
| 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) | 10.3 | 11.0 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.5 | 10.1 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.5 | 6.8 | 7.6 | 7.8 | 8.6 | 6.2 | 9.4 | 7.9 | 9.9 | 8.4 | 8.8 | 7.2 |
| Precipitation (mm) | 68 | 150 | 156 | 188 | 165 | 512 | 238 | 599 | 113 | 69 | 31 | 99 |
| Sunny days | 22 | 18 | 16 | 12 | 11 | 7 | 0 | 3 | 1 | 21 | 19 | 21 |
| Rainy days | 9 | 10 | 15 | 18 | 20 | 23 | 31 | 28 | 29 | 10 | 11 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Aya is at