Average annual temperature is 13.6 °C
Absolute maximum temperature: 32.4 °C
Absolute minimum temperature: -8.7 °C
Number of sunny days: 99 days
Number of rainy days: 244 days
Number of snow days: 22 days
Look at detailed online map of Ōtani-hongō
* Weather data for Ōtani-hongō 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 | 12.7 | 21.6 | 24.2 | 27.1 | 28.1 | 32.4 | 32.3 | 29.4 | 22.9 | 22.9 | 17.7 |
| Average daytime temperature (°C) | 4.6 | 5.5 | 13.3 | 15.8 | 20.4 | 24.2 | 28.7 | 29.6 | 26.0 | 18.3 | 13.8 | 8.0 |
| Average temperature (°C) | 1.7 | 2.3 | 8.5 | 11.5 | 16.0 | 20.3 | 24.8 | 25.8 | 22.5 | 14.4 | 10.0 | 5.0 |
| Average night temperature (°C) | -0.9 | -0.8 | 4.6 | 7.9 | 12.7 | 17.3 | 21.9 | 23.1 | 20.1 | 11.1 | 6.6 | 2.4 |
| Absolute minimum temperature (°C) | -8.7 | -6.8 | -8.0 | 2.5 | 5.7 | 11.1 | 17.8 | 21.2 | 15.9 | 7.1 | 0.4 | -4.1 |
| 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 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 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) | 4.6 | 5.5 | 7.8 | 7.4 | 8.5 | 7.3 | 8.9 | 9.2 | 7.6 | 8.2 | 6.3 | 5.0 |
| Precipitation (mm) | 155 | 118 | 100 | 216 | 273 | 155 | 198 | 165 | 109 | 33 | 104 | 141 |
| Sunny days | 4 | 7 | 16 | 12 | 13 | 10 | 3 | 2 | 2 | 11 | 12 | 7 |
| Rainy days | 17 | 16 | 14 | 18 | 18 | 20 | 28 | 29 | 28 | 20 | 18 | 18 |
| Snow days | 10 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 |
The best time to visit Ōtani-hongō during the most sunny months:
The largest precipitation sum in Ōtani-hongō is at