Average annual temperature is 12.0 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: -12.1 °C
Number of sunny days: 86 days
Number of rainy days: 249 days
Number of snow days: 30 days
Look at detailed online map of Yamaguchi
* Weather data for Yamaguchi 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) | 10.5 | 11.1 | 18.8 | 23.3 | 28.4 | 27.3 | 32.6 | 36.5 | 34.8 | 23.5 | 22.6 | 14.4 |
| Average daytime temperature (°C) | 2.4 | 3.0 | 11.9 | 15.7 | 19.1 | 23.3 | 27.9 | 32.2 | 27.0 | 17.7 | 12.7 | 6.7 |
| Average temperature (°C) | -1.0 | -0.6 | 5.8 | 9.9 | 13.7 | 18.8 | 23.4 | 26.6 | 22.1 | 12.8 | 8.2 | 2.9 |
| Average night temperature (°C) | -4.1 | -4.0 | 0.9 | 5.1 | 9.0 | 15.1 | 19.4 | 22.3 | 18.7 | 9.0 | 5.0 | 0.0 |
| Absolute minimum temperature (°C) | -12.1 | -9.4 | -4.0 | -2.3 | 0.9 | 10.9 | 14.6 | 20.1 | 11.4 | 5.4 | -1.6 | -5.3 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.3 | 6.0 | 8.5 | 8.9 | 8.7 | 8.0 | 9.5 | 11.9 | 8.0 | 8.3 | 6.3 | 4.0 |
| Precipitation (mm) | 91 | 126 | 72 | 85 | 186 | 199 | 156 | 67 | 185 | 96 | 166 | 173 |
| Sunny days | 1 | 5 | 16 | 17 | 11 | 5 | 4 | 4 | 6 | 7 | 7 | 3 |
| Rainy days | 15 | 12 | 15 | 13 | 20 | 25 | 27 | 27 | 24 | 24 | 23 | 24 |
| Snow days | 15 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The best time to visit Yamaguchi during the most sunny months:
The largest precipitation sum in Yamaguchi is at