Average annual temperature is 14.8 °C
Absolute maximum temperature: 35.4 °C
Absolute minimum temperature: -10.3 °C
Number of sunny days: 150 days
Number of rainy days: 211 days
Number of snow days: 4 days
Look at detailed online map of Shisō
* Weather data for Shisō 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) | 16.5 | 14.3 | 22.2 | 25.1 | 26.9 | 29.7 | 33.1 | 35.4 | 32.8 | 26.6 | 24.0 | 18.3 |
| Average daytime temperature (°C) | 8.0 | 8.7 | 15.5 | 17.8 | 21.8 | 25.1 | 29.7 | 31.2 | 28.8 | 21.4 | 15.7 | 10.5 |
| Average temperature (°C) | 2.9 | 4.0 | 9.7 | 12.7 | 16.9 | 20.9 | 25.4 | 26.8 | 24.4 | 15.8 | 10.9 | 5.9 |
| Average night temperature (°C) | -1.0 | 0.2 | 4.8 | 8.2 | 12.8 | 17.4 | 21.9 | 23.5 | 21.2 | 11.5 | 7.2 | 2.3 |
| Absolute minimum temperature (°C) | -10.3 | -3.5 | -2.2 | 1.0 | 5.7 | 12.0 | 18.9 | 21.9 | 17.3 | 6.6 | 0.4 | -3.7 |
| 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 | 10.3 | 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) | 6.7 | 6.7 | 8.3 | 7.8 | 8.6 | 6.9 | 9.2 | 10.0 | 9.3 | 9.0 | 7.6 | 6.7 |
| Precipitation (mm) | 33 | 40 | 97 | 221 | 226 | 284 | 164 | 211 | 109 | 38 | 121 | 41 |
| Sunny days | 16 | 13 | 19 | 16 | 13 | 8 | 5 | 0 | 7 | 19 | 17 | 17 |
| Rainy days | 12 | 15 | 12 | 14 | 18 | 22 | 26 | 31 | 23 | 12 | 13 | 13 |
| Snow days | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Shisō is at