Average annual temperature is 11.3 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: -11.9 °C
Number of sunny days: 93 days
Number of rainy days: 245 days
Number of snow days: 27 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) | 11.6 | 10.3 | 20.0 | 23.2 | 29.1 | 27.3 | 31.0 | 34.1 | 33.7 | 21.3 | 21.9 | 14.5 |
| Average daytime temperature (°C) | 1.7 | 2.2 | 10.1 | 15.3 | 19.1 | 22.9 | 27.7 | 31.8 | 27.1 | 16.9 | 12.2 | 6.3 |
| Average temperature (°C) | -1.7 | -1.1 | 4.0 | 8.9 | 13.6 | 18.4 | 23.1 | 26.2 | 22.0 | 12.0 | 7.2 | 1.7 |
| Average night temperature (°C) | -4.0 | -3.5 | -0.8 | 3.7 | 8.7 | 14.5 | 19.0 | 21.5 | 18.7 | 8.3 | 3.1 | -2.0 |
| Absolute minimum temperature (°C) | -9.7 | -6.4 | -5.7 | -4.6 | -0.7 | 6.6 | 15.3 | 18.5 | 10.3 | 3.4 | -4.8 | -11.9 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 12.4 | 11.2 | 10.2 | 9.7 |
| 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) | 3.4 | 4.1 | 7.6 | 7.6 | 8.7 | 7.7 | 9.7 | 11.6 | 8.1 | 7.8 | 5.4 | 5.0 |
| Precipitation (mm) | 367 | 248 | 146 | 160 | 217 | 278 | 168 | 36 | 205 | 223 | 240 | 266 |
| Sunny days | 4 | 4 | 14 | 10 | 13 | 4 | 4 | 12 | 6 | 7 | 9 | 6 |
| Rainy days | 14 | 14 | 17 | 20 | 18 | 26 | 27 | 19 | 24 | 24 | 21 | 21 |
| Snow days | 13 | 10 | 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