Average annual temperature is 16.2 °C
Absolute maximum temperature: 36.6 °C
Absolute minimum temperature: -4.8 °C
Number of sunny days: 127 days
Number of rainy days: 232 days
Number of snow days: 6 days
Look at detailed online map of Onaka
* Weather data for Onaka 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) | 16.6 | 16.3 | 22.1 | 25.5 | 28.7 | 30.7 | 34.9 | 36.6 | 32.6 | 26.3 | 27.4 | 22.0 |
| Average daytime temperature (°C) | 8.7 | 10.7 | 16.3 | 19.1 | 22.9 | 26.3 | 31.0 | 32.6 | 29.3 | 22.0 | 17.3 | 11.5 |
| Average temperature (°C) | 5.2 | 6.6 | 11.2 | 14.3 | 18.4 | 22.2 | 26.6 | 27.7 | 24.6 | 17.0 | 12.6 | 7.6 |
| Average night temperature (°C) | 2.3 | 3.3 | 7.2 | 10.4 | 14.9 | 19.2 | 23.4 | 24.3 | 21.4 | 13.1 | 8.9 | 4.5 |
| Absolute minimum temperature (°C) | -4.8 | -1.5 | -0.1 | 4.6 | 8.5 | 15.6 | 20.2 | 21.5 | 18.1 | 8.1 | 2.3 | -0.6 |
| 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) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.3 | 14.1 | 13.4 | 12.4 | 11.3 | 10.4 | 10.0 |
| 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) | 5.9 | 6.1 | 7.9 | 7.9 | 8.0 | 7.6 | 8.8 | 10.5 | 9.0 | 8.5 | 7.0 | 5.2 |
| Precipitation (mm) | 123 | 113 | 109 | 198 | 251 | 253 | 284 | 178 | 133 | 27 | 62 | 105 |
| Sunny days | 10 | 12 | 17 | 16 | 13 | 8 | 4 | 1 | 4 | 18 | 15 | 9 |
| Rainy days | 18 | 16 | 14 | 14 | 18 | 22 | 27 | 30 | 26 | 13 | 15 | 19 |
| Snow days | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The best time to visit Onaka during the most sunny months:
The largest precipitation sum in Onaka is at