Average annual temperature is 15.3 °C
Absolute maximum temperature: 36.6 °C
Absolute minimum temperature: -13.7 °C
Number of sunny days: 158 days
Number of rainy days: 202 days
Number of snow days: 5 days
Look at detailed online map of Arimachō
* Weather data for Arimachō 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) | 16.1 | 15.3 | 22.9 | 25.0 | 27.5 | 29.7 | 34.6 | 36.6 | 33.6 | 26.4 | 25.5 | 19.5 |
| Average daytime temperature (°C) | 8.0 | 8.9 | 15.8 | 18.2 | 22.0 | 25.3 | 30.4 | 32.3 | 29.7 | 21.4 | 16.4 | 11.2 |
| Average temperature (°C) | 3.0 | 4.3 | 10.2 | 13.2 | 17.3 | 21.4 | 26.2 | 27.6 | 25.3 | 16.4 | 11.7 | 6.6 |
| Average night temperature (°C) | -1.2 | 0.3 | 5.3 | 8.9 | 13.3 | 17.9 | 22.6 | 24.2 | 21.9 | 12.2 | 7.9 | 2.6 |
| Absolute minimum temperature (°C) | -13.7 | -4.3 | -2.0 | 3.2 | 7.2 | 11.4 | 18.0 | 22.7 | 17.5 | 7.3 | 0.7 | -3.3 |
| 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 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| 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) | 7.1 | 6.5 | 8.5 | 7.8 | 9.2 | 6.8 | 9.7 | 10.2 | 9.7 | 8.8 | 7.5 | 7.0 |
| Precipitation (mm) | 45 | 41 | 100 | 199 | 278 | 314 | 88 | 232 | 84 | 35 | 128 | 34 |
| Sunny days | 12 | 12 | 16 | 16 | 15 | 8 | 11 | 4 | 12 | 15 | 17 | 20 |
| Rainy days | 16 | 14 | 15 | 14 | 16 | 22 | 20 | 27 | 18 | 16 | 13 | 11 |
| Snow days | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Arimachō is at