Average annual temperature is 8.9 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: -20.4 °C
Number of sunny days: 160 days
Number of rainy days: 166 days
Number of snow days: 39 days
Look at detailed online map of Aoyama
* Weather data for Aoyama 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) | 5.8 | 8.8 | 16.0 | 18.5 | 24.3 | 26.8 | 33.5 | 33.3 | 30.5 | 22.3 | 19.2 | 8.8 |
| Average daytime temperature (°C) | -3.2 | -1.0 | 7.6 | 13.0 | 18.1 | 22.0 | 26.9 | 27.7 | 24.3 | 16.2 | 9.6 | 0.6 |
| Average temperature (°C) | -8.1 | -5.8 | 2.2 | 8.0 | 12.3 | 17.0 | 22.0 | 23.7 | 19.9 | 11.7 | 5.6 | -3.0 |
| Average night temperature (°C) | -13.1 | -11.1 | -3.0 | 3.6 | 7.5 | 13.2 | 18.4 | 20.7 | 16.6 | 7.9 | 1.9 | -6.4 |
| Absolute minimum temperature (°C) | -19.8 | -20.4 | -11.4 | -3.5 | 1.8 | 6.2 | 13.4 | 15.1 | 11.2 | 2.0 | -7.2 | -13.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.3 | 15.0 | 13.9 | 12.5 | 11.0 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.6 | 7.7 | 8.6 | 8.7 | 9.8 | 9.0 | 9.5 | 7.1 | 7.5 | 7.9 | 6.9 | 6.6 |
| Precipitation (mm) | 23 | 33 | 78 | 136 | 67 | 84 | 65 | 79 | 147 | 87 | 92 | 35 |
| Sunny days | 19 | 11 | 18 | 10 | 14 | 9 | 16 | 4 | 11 | 15 | 15 | 18 |
| Rainy days | 2 | 2 | 9 | 20 | 17 | 21 | 15 | 27 | 19 | 16 | 14 | 4 |
| Snow days | 10 | 15 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 9 |
Months with the longest average daylight duration in Aoyama:
The largest precipitation sum in Aoyama is at