Average annual temperature is 13.5 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: -11.8 °C
Number of sunny days: 117 days
Number of rainy days: 227 days
Number of snow days: 21 days
Look at detailed online map of Ōtani
* Weather data for Ōtani 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) | 13.2 | 13.4 | 22.3 | 25.7 | 28.9 | 30.9 | 34.3 | 36.3 | 33.9 | 24.1 | 23.3 | 17.3 |
| Average daytime temperature (°C) | 5.4 | 6.8 | 14.6 | 17.3 | 22.0 | 25.1 | 30.2 | 31.1 | 28.6 | 19.8 | 14.5 | 8.8 |
| Average temperature (°C) | 0.5 | 1.6 | 8.5 | 11.7 | 16.1 | 20.3 | 24.8 | 25.8 | 23.5 | 14.1 | 9.7 | 4.1 |
| Average night temperature (°C) | -3.6 | -3.2 | 3.3 | 6.7 | 11.0 | 16.2 | 20.6 | 22.3 | 20.0 | 10.0 | 5.9 | 0.1 |
| Absolute minimum temperature (°C) | -11.0 | -11.8 | -3.6 | 0.2 | 1.6 | 9.7 | 14.3 | 19.6 | 12.9 | 4.9 | -3.8 | -7.5 |
| 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 | 14.6 | 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) | 6.1 | 6.8 | 8.1 | 7.9 | 9.0 | 7.5 | 9.3 | 9.5 | 9.0 | 8.6 | 6.8 | 5.2 |
| Precipitation (mm) | 83 | 100 | 171 | 317 | 324 | 378 | 289 | 208 | 156 | 91 | 181 | 157 |
| Sunny days | 11 | 11 | 15 | 12 | 9 | 8 | 7 | 2 | 6 | 15 | 12 | 9 |
| Rainy days | 10 | 10 | 16 | 18 | 22 | 22 | 24 | 29 | 24 | 16 | 18 | 18 |
| Snow days | 10 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The largest precipitation sum in Ōtani is at