Average annual temperature is 17.3 °C
Absolute maximum temperature: 32.5 °C
Absolute minimum temperature: -3.4 °C
Number of sunny days: 129 days
Number of rainy days: 234 days
Number of snow days: 2 days
Look at detailed online map of Arashi
* Weather data for Arashi 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) | 19.5 | 17.1 | 22.5 | 25.2 | 27.7 | 29.2 | 32.3 | 32.5 | 32.1 | 27.2 | 24.8 | 21.9 |
| Average daytime temperature (°C) | 9.9 | 11.6 | 16.7 | 19.4 | 23.1 | 25.8 | 30.1 | 30.5 | 29.5 | 22.5 | 17.9 | 12.6 |
| Average temperature (°C) | 7.1 | 7.8 | 12.8 | 15.9 | 19.3 | 22.8 | 26.8 | 27.0 | 25.7 | 18.4 | 14.3 | 9.4 |
| Average night temperature (°C) | 4.6 | 4.0 | 9.4 | 12.8 | 16.3 | 20.4 | 24.3 | 24.6 | 23.0 | 15.2 | 11.3 | 6.5 |
| Absolute minimum temperature (°C) | -3.4 | -1.9 | 1.8 | 8.9 | 10.6 | 16.2 | 20.7 | 22.7 | 21.1 | 9.9 | 5.6 | 0.2 |
| 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 | 13.3 | 12.4 | 11.4 | 10.5 | 10.0 |
| 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 | 9.0 |
| Sunshine mean duration (h) | 7.1 | 7.1 | 8.7 | 8.2 | 9.1 | 6.3 | 10.3 | 9.9 | 10.0 | 8.7 | 8.0 | 6.9 |
| Precipitation (mm) | 106 | 71 | 133 | 277 | 236 | 414 | 145 | 229 | 89 | 38 | 59 | 87 |
| Sunny days | 13 | 17 | 17 | 14 | 11 | 9 | 2 | 1 | 5 | 19 | 12 | 9 |
| Rainy days | 17 | 11 | 14 | 16 | 20 | 21 | 29 | 30 | 25 | 12 | 18 | 21 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Arashi is at