Average annual temperature is 9.3 °C
Absolute maximum temperature: 30.6 °C
Absolute minimum temperature: -18.5 °C
Number of sunny days: 130 days
Number of rainy days: 194 days
Number of snow days: 41 days
Look at detailed online map of Ōjimachi
* Weather data for Ōjimachi 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) | 7.6 | 5.5 | 9.8 | 13.2 | 19.2 | 23.5 | 28.8 | 30.6 | 26.9 | 22.3 | 18.8 | 11.1 |
| Average daytime temperature (°C) | -1.7 | -0.6 | 6.3 | 10.1 | 14.4 | 18.3 | 24.0 | 27.2 | 23.5 | 16.3 | 10.1 | 2.5 |
| Average temperature (°C) | -5.8 | -4.2 | 2.9 | 7.1 | 11.0 | 15.7 | 21.2 | 24.7 | 20.3 | 12.6 | 6.3 | -1.3 |
| Average night temperature (°C) | -10.5 | -8.6 | -0.2 | 4.6 | 8.0 | 13.7 | 19.0 | 22.7 | 17.6 | 9.3 | 2.6 | -4.7 |
| Absolute minimum temperature (°C) | -18.5 | -16.2 | -5.8 | 0.1 | 3.5 | 7.4 | 15.0 | 18.8 | 11.0 | 2.2 | -6.0 | -11.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.3 | 15.0 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.2 | 7.6 | 8.5 | 8.3 | 9.6 | 7.9 | 9.5 | 8.9 | 7.2 | 8.1 | 6.7 | 6.0 |
| Precipitation (mm) | 28 | 37 | 69 | 135 | 60 | 136 | 87 | 148 | 261 | 73 | 135 | 40 |
| Sunny days | 16 | 7 | 16 | 7 | 15 | 7 | 11 | 11 | 4 | 11 | 12 | 13 |
| Rainy days | 3 | 7 | 12 | 23 | 16 | 23 | 20 | 20 | 26 | 20 | 16 | 8 |
| Snow days | 12 | 14 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 10 |
Months with the longest average daylight duration in Ōjimachi:
The largest precipitation sum in Ōjimachi is at