Average annual temperature is 16.4 °C
Absolute maximum temperature: 39.3 °C
Absolute minimum temperature: -4.2 °C
Number of sunny days: 154 days
Number of rainy days: 208 days
Number of snow days: 3 days
Look at detailed online map of Shōwachō
* Weather data for Shōwachō 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) | 16.6 | 16.2 | 23.8 | 22.7 | 26.4 | 29.8 | 36.9 | 39.3 | 35.2 | 25.8 | 27.7 | 21.9 |
| Average daytime temperature (°C) | 8.9 | 9.7 | 16.1 | 19.1 | 22.8 | 25.9 | 32.0 | 33.7 | 30.8 | 22.2 | 17.2 | 12.2 |
| Average temperature (°C) | 4.8 | 5.2 | 10.8 | 14.4 | 18.4 | 22.4 | 27.7 | 29.2 | 26.3 | 17.1 | 12.4 | 7.6 |
| Average night temperature (°C) | 0.7 | 1.0 | 5.8 | 9.8 | 14.1 | 19.0 | 24.0 | 25.7 | 22.6 | 12.7 | 8.0 | 3.1 |
| Absolute minimum temperature (°C) | -4.2 | -3.2 | -0.2 | 5.4 | 8.3 | 12.5 | 19.2 | 23.0 | 18.4 | 8.2 | 1.4 | -1.5 |
| 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) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.4 | 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) | 7.3 | 6.5 | 8.6 | 8.0 | 9.3 | 7.0 | 10.4 | 10.1 | 9.9 | 8.7 | 7.3 | 7.2 |
| Precipitation (mm) | 54 | 45 | 147 | 156 | 263 | 379 | 87 | 182 | 129 | 56 | 139 | 38 |
| Sunny days | 10 | 11 | 18 | 13 | 14 | 9 | 11 | 5 | 10 | 19 | 17 | 17 |
| Rainy days | 19 | 16 | 13 | 17 | 17 | 21 | 20 | 26 | 20 | 12 | 13 | 14 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Shōwachō is at