Average annual temperature is 14.1 °C
Absolute maximum temperature: 34.6 °C
Absolute minimum temperature: -7.6 °C
Number of sunny days: 128 days
Number of rainy days: 229 days
Number of snow days: 8 days
Look at detailed online map of Otohara
* Weather data for Otohara 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) | 13.4 | 13.9 | 20.4 | 23.7 | 29.0 | 29.1 | 34.6 | 34.1 | 32.7 | 24.6 | 22.8 | 18.4 |
| Average daytime temperature (°C) | 6.6 | 7.7 | 14.7 | 17.0 | 21.4 | 24.8 | 29.8 | 29.8 | 28.0 | 19.9 | 14.8 | 9.6 |
| Average temperature (°C) | 1.9 | 3.2 | 9.2 | 11.9 | 16.3 | 20.5 | 25.0 | 25.4 | 23.5 | 15.0 | 10.4 | 5.5 |
| Average night temperature (°C) | -1.3 | -0.3 | 4.6 | 7.7 | 12.1 | 17.1 | 21.1 | 22.4 | 20.3 | 11.4 | 7.0 | 2.3 |
| Absolute minimum temperature (°C) | -7.6 | -3.9 | -2.5 | 3.0 | 4.4 | 12.6 | 17.6 | 19.7 | 15.9 | 6.7 | 0.1 | -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) | 7.1 | 7.1 | 8.5 | 8.0 | 8.8 | 7.4 | 9.5 | 9.3 | 9.3 | 8.6 | 7.6 | 6.5 |
| Precipitation (mm) | 66 | 105 | 135 | 309 | 283 | 398 | 189 | 340 | 134 | 75 | 120 | 94 |
| Sunny days | 12 | 14 | 16 | 12 | 13 | 9 | 6 | 2 | 6 | 17 | 12 | 9 |
| Rainy days | 13 | 14 | 15 | 18 | 18 | 21 | 25 | 29 | 24 | 14 | 18 | 20 |
| Snow days | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The largest precipitation sum in Otohara is at