Average annual temperature is 17.3 °C
Absolute maximum temperature: 34.2 °C
Absolute minimum temperature: -2.0 °C
Number of sunny days: 166 days
Number of rainy days: 198 days
Number of snow days: 1 day
Look at detailed online map of Asso
* Weather data for Asso 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) | 18.1 | 16.8 | 22.7 | 24.5 | 25.4 | 29.4 | 31.9 | 34.2 | 32.7 | 27.6 | 25.1 | 20.5 |
| Average daytime temperature (°C) | 10.6 | 11.5 | 17.1 | 19.4 | 22.6 | 25.8 | 29.7 | 30.8 | 29.4 | 23.0 | 18.2 | 13.6 |
| Average temperature (°C) | 7.0 | 7.4 | 12.7 | 15.6 | 19.1 | 22.7 | 26.6 | 27.4 | 25.8 | 18.5 | 14.1 | 9.8 |
| Average night temperature (°C) | 3.9 | 3.7 | 9.0 | 11.9 | 16.1 | 20.1 | 23.9 | 25.0 | 22.9 | 15.0 | 10.4 | 6.6 |
| Absolute minimum temperature (°C) | -2.0 | -0.4 | 2.2 | 8.1 | 10.9 | 15.2 | 19.9 | 23.2 | 20.2 | 10.7 | 4.0 | 2.3 |
| 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 | 14.4 | 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) | 7.8 | 7.7 | 8.5 | 8.5 | 9.3 | 6.9 | 10.6 | 9.7 | 9.6 | 8.9 | 7.9 | 7.6 |
| Precipitation (mm) | 82 | 40 | 146 | 222 | 281 | 495 | 129 | 312 | 229 | 108 | 139 | 93 |
| Sunny days | 20 | 18 | 17 | 14 | 17 | 10 | 7 | 2 | 8 | 18 | 17 | 18 |
| Rainy days | 10 | 10 | 14 | 16 | 14 | 20 | 24 | 29 | 22 | 13 | 13 | 13 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Asso is at