Average annual temperature is 13.5 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: -8.9 °C
Number of sunny days: 119 days
Number of rainy days: 232 days
Number of snow days: 14 days
Look at detailed online map of Shimaguchi
* Weather data for Shimaguchi 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) | 13.6 | 13.3 | 21.3 | 24.6 | 29.1 | 29.1 | 34.9 | 35.1 | 32.9 | 25.0 | 22.4 | 17.3 |
| Average daytime temperature (°C) | 6.1 | 7.6 | 14.6 | 17.1 | 21.6 | 24.9 | 30.0 | 30.3 | 28.3 | 19.7 | 14.5 | 9.1 |
| Average temperature (°C) | 1.2 | 2.6 | 8.6 | 11.6 | 16.1 | 20.2 | 24.8 | 25.4 | 23.3 | 14.0 | 9.6 | 4.2 |
| Average night temperature (°C) | -2.4 | -1.4 | 3.6 | 6.9 | 11.4 | 16.5 | 20.6 | 22.1 | 19.8 | 9.9 | 5.7 | 0.6 |
| Absolute minimum temperature (°C) | -8.9 | -5.4 | -1.6 | 0.6 | 3.6 | 11.4 | 15.6 | 20.3 | 13.6 | 5.4 | -2.1 | -4.6 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.0 | 7.1 | 8.5 | 8.0 | 9.0 | 7.7 | 9.5 | 9.5 | 9.4 | 8.6 | 7.4 | 6.2 |
| Precipitation (mm) | 62 | 89 | 173 | 413 | 332 | 413 | 240 | 306 | 143 | 71 | 169 | 112 |
| Sunny days | 13 | 13 | 13 | 12 | 9 | 8 | 7 | 2 | 5 | 16 | 11 | 10 |
| Rainy days | 9 | 13 | 18 | 18 | 22 | 22 | 24 | 29 | 25 | 15 | 19 | 18 |
| Snow days | 9 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The largest precipitation sum in Shimaguchi is at