Average annual temperature is 15.6 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -5.7 °C
Number of sunny days: 139 days
Number of rainy days: 224 days
Number of snow days: 2 days
Look at detailed online map of Yamaguchi Shi
* Weather data for Yamaguchi Shi 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) | 16.2 | 15.4 | 21.6 | 24.0 | 28.8 | 29.1 | 33.0 | 35.2 | 33.5 | 25.6 | 26.0 | 20.3 |
| Average daytime temperature (°C) | 8.6 | 10.4 | 16.2 | 18.7 | 22.4 | 25.6 | 29.7 | 30.8 | 29.1 | 21.7 | 16.5 | 11.0 |
| Average temperature (°C) | 4.5 | 5.9 | 10.6 | 13.6 | 17.6 | 21.5 | 25.8 | 26.9 | 24.4 | 16.6 | 11.9 | 6.9 |
| Average night temperature (°C) | 1.3 | 2.3 | 6.0 | 9.5 | 13.9 | 18.4 | 22.8 | 24.1 | 21.3 | 12.9 | 8.2 | 3.6 |
| Absolute minimum temperature (°C) | -5.7 | -2.8 | -3.2 | 4.6 | 6.2 | 12.3 | 19.3 | 22.1 | 17.3 | 8.2 | 2.7 | -2.6 |
| 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 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 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) | 6.7 | 6.6 | 8.2 | 8.0 | 8.4 | 7.3 | 8.9 | 9.8 | 8.9 | 8.5 | 7.6 | 6.2 |
| Precipitation (mm) | 73 | 94 | 85 | 214 | 191 | 267 | 263 | 183 | 111 | 19 | 48 | 72 |
| Sunny days | 14 | 12 | 17 | 14 | 15 | 7 | 4 | 1 | 4 | 20 | 17 | 14 |
| Rainy days | 15 | 16 | 14 | 16 | 16 | 23 | 27 | 30 | 26 | 11 | 13 | 17 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Yamaguchi Shi is at