Average annual temperature is 17.8 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: -2.4 °C
Number of sunny days: 140 days
Number of rainy days: 224 days
Number of snow days: 1 day
Look at detailed online map of Ōuchi
* Weather data for Ōuchi 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) | 18.5 | 17.2 | 22.4 | 24.3 | 27.5 | 29.2 | 33.0 | 33.2 | 31.7 | 26.6 | 25.5 | 22.2 |
| Average daytime temperature (°C) | 10.1 | 11.6 | 16.3 | 19.1 | 22.4 | 25.1 | 30.0 | 30.6 | 29.4 | 22.6 | 18.2 | 13.1 |
| Average temperature (°C) | 7.9 | 8.4 | 13.1 | 16.1 | 19.4 | 22.8 | 27.3 | 27.6 | 26.2 | 19.2 | 15.2 | 10.4 |
| Average night temperature (°C) | 5.7 | 5.1 | 9.8 | 13.2 | 16.7 | 20.7 | 25.0 | 25.2 | 23.7 | 16.4 | 12.6 | 7.8 |
| Absolute minimum temperature (°C) | -2.4 | -0.4 | 3.0 | 9.3 | 10.6 | 16.8 | 20.5 | 22.8 | 21.0 | 11.3 | 7.5 | 2.1 |
| 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 | 14.3 | 14.1 | 13.4 | 12.4 | 11.4 | 10.5 | 10.0 |
| Daylight minimum duration (h) | 10.0 | 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) | 7.0 | 7.1 | 8.8 | 8.2 | 9.1 | 6.3 | 10.3 | 10.1 | 9.9 | 8.7 | 7.9 | 6.7 |
| Precipitation (mm) | 92 | 69 | 115 | 241 | 219 | 372 | 103 | 214 | 65 | 28 | 74 | 62 |
| Sunny days | 13 | 16 | 18 | 16 | 16 | 10 | 2 | 1 | 7 | 20 | 12 | 9 |
| Rainy days | 18 | 12 | 13 | 14 | 15 | 20 | 29 | 30 | 23 | 11 | 18 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Ōuchi is at