Average annual temperature is 16.5 °C
Absolute maximum temperature: 39.4 °C
Absolute minimum temperature: -5.9 °C
Number of sunny days: 169 days
Number of rainy days: 193 days
Number of snow days: 3 days
Look at detailed online map of Ōyaguchi
* Weather data for Ōyaguchi 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) | 12.8 | 18.5 | 23.6 | 25.2 | 30.7 | 32.3 | 39.4 | 37.8 | 36.2 | 27.2 | 25.1 | 19.5 |
| Average daytime temperature (°C) | 8.5 | 10.8 | 17.0 | 20.2 | 22.6 | 26.7 | 34.0 | 33.4 | 30.2 | 22.3 | 17.8 | 12.9 |
| Average temperature (°C) | 3.8 | 5.7 | 11.9 | 15.1 | 17.8 | 22.4 | 28.4 | 28.6 | 25.9 | 17.5 | 12.6 | 7.6 |
| Average night temperature (°C) | -0.2 | 1.3 | 7.5 | 10.7 | 13.7 | 19.1 | 24.0 | 25.0 | 22.8 | 13.4 | 8.5 | 3.2 |
| Absolute minimum temperature (°C) | -5.9 | -4.0 | 0.6 | 4.4 | 7.2 | 14.3 | 20.8 | 23.5 | 16.5 | 9.4 | 3.3 | -2.0 |
| 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) | 7.4 | 7.7 | 7.5 | 8.8 | 8.6 | 7.4 | 10.6 | 11.2 | 8.9 | 8.6 | 7.2 | 7.8 |
| Precipitation (mm) | 31 | 35 | 139 | 100 | 158 | 333 | 59 | 126 | 213 | 103 | 62 | 36 |
| Sunny days | 20 | 20 | 17 | 13 | 14 | 6 | 10 | 5 | 7 | 18 | 16 | 23 |
| Rainy days | 9 | 7 | 14 | 17 | 17 | 24 | 21 | 26 | 23 | 13 | 14 | 8 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Ōyaguchi during the most sunny months:
The largest precipitation sum in Ōyaguchi is at