Average annual temperature is 9.7 °C
Absolute maximum temperature: 32.0 °C
Absolute minimum temperature: -14.0 °C
Number of sunny days: 92 days
Number of rainy days: 208 days
Number of snow days: 65 days
Look at detailed online map of Okayachi
* Weather data for Okayachi 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) | 7.5 | 6.2 | 17.9 | 19.6 | 23.9 | 26.4 | 29.5 | 32.0 | 28.7 | 19.8 | 19.5 | 11.3 |
| Average daytime temperature (°C) | -2.1 | -0.9 | 8.6 | 12.1 | 16.2 | 21.2 | 24.9 | 28.6 | 23.6 | 15.4 | 9.2 | 1.5 |
| Average temperature (°C) | -4.5 | -3.3 | 3.6 | 7.6 | 11.5 | 17.2 | 21.6 | 24.8 | 19.9 | 11.8 | 5.9 | -1.0 |
| Average night temperature (°C) | -6.7 | -5.7 | 0.1 | 4.4 | 8.0 | 14.4 | 19.3 | 22.3 | 17.4 | 9.4 | 3.2 | -3.3 |
| Absolute minimum temperature (°C) | -14.0 | -11.8 | -7.5 | -1.6 | -0.1 | 10.0 | 14.9 | 18.9 | 11.6 | 3.2 | -5.3 | -8.4 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.3 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.6 | 6.2 | 8.4 | 8.8 | 9.1 | 7.9 | 9.2 | 10.6 | 7.7 | 8.4 | 5.6 | 4.8 |
| Precipitation (mm) | 62 | 72 | 70 | 120 | 120 | 133 | 203 | 134 | 193 | 100 | 140 | 95 |
| Sunny days | 4 | 2 | 20 | 10 | 12 | 7 | 6 | 4 | 5 | 9 | 8 | 5 |
| Rainy days | 2 | 5 | 9 | 20 | 19 | 23 | 25 | 27 | 25 | 22 | 19 | 12 |
| Snow days | 25 | 21 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 14 |
The best time to visit Okayachi during the most sunny months:
The largest precipitation sum in Okayachi is at