Average annual temperature is 12.4 °C
Absolute maximum temperature: 33.8 °C
Absolute minimum temperature: -12.4 °C
Number of sunny days: 97 days
Number of rainy days: 242 days
Number of snow days: 26 days
Look at detailed online map of Arai
* Weather data for Arai 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) | 12.8 | 13.1 | 18.5 | 24.4 | 28.9 | 28.9 | 32.2 | 33.8 | 32.4 | 23.8 | 23.3 | 16.2 |
| Average daytime temperature (°C) | 3.7 | 4.6 | 12.3 | 16.3 | 19.2 | 23.2 | 28.3 | 30.8 | 26.3 | 18.2 | 13.4 | 8.4 |
| Average temperature (°C) | -0.2 | 0.6 | 6.5 | 10.4 | 13.9 | 19.0 | 23.9 | 26.0 | 22.1 | 13.1 | 8.6 | 3.9 |
| Average night temperature (°C) | -3.9 | -3.2 | 1.8 | 5.2 | 9.0 | 15.4 | 20.0 | 22.1 | 18.9 | 8.9 | 4.8 | 0.2 |
| Absolute minimum temperature (°C) | -12.4 | -9.4 | -3.6 | -1.8 | 0.3 | 9.7 | 15.4 | 20.1 | 10.9 | 5.2 | -1.1 | -5.9 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.1 | 6.6 | 8.1 | 8.7 | 8.4 | 7.7 | 9.7 | 11.5 | 7.9 | 8.6 | 6.5 | 6.5 |
| Precipitation (mm) | 109 | 94 | 103 | 85 | 184 | 283 | 139 | 109 | 318 | 112 | 156 | 88 |
| Sunny days | 6 | 7 | 13 | 14 | 12 | 4 | 4 | 5 | 3 | 11 | 10 | 8 |
| Rainy days | 12 | 13 | 17 | 16 | 19 | 26 | 27 | 26 | 27 | 20 | 20 | 19 |
| Snow days | 13 | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The best time to visit Arai during the most sunny months:
The largest precipitation sum in Arai is at