Average annual temperature is 15.9 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: -6.7 °C
Number of sunny days: 151 days
Number of rainy days: 211 days
Number of snow days: 3 days
Look at detailed online map of Ōwadachō
* Weather data for Ōwadachō 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) | 17.1 | 15.6 | 24.6 | 25.0 | 26.7 | 29.4 | 34.8 | 37.3 | 33.7 | 25.3 | 26.6 | 21.4 |
| Average daytime temperature (°C) | 8.4 | 9.4 | 16.4 | 19.1 | 22.8 | 25.7 | 31.5 | 33.0 | 30.2 | 21.5 | 16.8 | 11.9 |
| Average temperature (°C) | 3.8 | 4.7 | 10.5 | 13.9 | 17.8 | 21.9 | 26.9 | 28.4 | 25.7 | 16.6 | 12.0 | 7.2 |
| Average night temperature (°C) | -0.3 | 0.2 | 5.3 | 9.0 | 13.3 | 18.5 | 23.0 | 25.0 | 22.0 | 12.3 | 8.0 | 3.0 |
| Absolute minimum temperature (°C) | -6.7 | -3.5 | -1.2 | 3.6 | 6.9 | 13.1 | 18.8 | 22.7 | 17.7 | 7.9 | 1.2 | -3.4 |
| 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) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 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 | 6.0 | 8.4 | 8.0 | 9.3 | 6.8 | 10.2 | 9.9 | 9.9 | 8.6 | 7.3 | 7.0 |
| Precipitation (mm) | 51 | 58 | 119 | 139 | 251 | 407 | 97 | 193 | 126 | 59 | 129 | 36 |
| Sunny days | 7 | 10 | 17 | 15 | 16 | 9 | 10 | 6 | 9 | 16 | 18 | 18 |
| Rainy days | 22 | 17 | 14 | 15 | 15 | 21 | 21 | 25 | 21 | 15 | 12 | 13 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ōwadachō is at