Average annual temperature is 14.0 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: -7.8 °C
Number of sunny days: 143 days
Number of rainy days: 214 days
Number of snow days: 8 days
Look at detailed online map of Ō-naka
* Weather data for Ō-naka 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) | 14.3 | 14.6 | 21.2 | 27.0 | 29.3 | 30.8 | 35.5 | 33.8 | 31.8 | 24.7 | 22.6 | 18.8 |
| Average daytime temperature (°C) | 6.5 | 8.1 | 14.8 | 18.4 | 21.0 | 25.0 | 30.6 | 30.7 | 27.7 | 20.1 | 15.4 | 10.5 |
| Average temperature (°C) | 1.9 | 3.1 | 9.1 | 12.3 | 15.5 | 20.4 | 25.2 | 25.9 | 23.3 | 15.1 | 10.6 | 5.4 |
| Average night temperature (°C) | -1.6 | -0.8 | 5.1 | 7.7 | 11.0 | 17.0 | 21.2 | 22.9 | 20.3 | 11.4 | 6.9 | 1.6 |
| Absolute minimum temperature (°C) | -7.8 | -4.9 | -1.2 | 0.4 | 5.4 | 12.7 | 17.0 | 21.1 | 13.8 | 6.5 | 0.4 | -3.5 |
| 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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| 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) | 7.3 | 7.9 | 7.9 | 8.9 | 9.3 | 7.9 | 10.0 | 10.6 | 7.9 | 8.4 | 7.2 | 7.2 |
| Precipitation (mm) | 25 | 46 | 120 | 114 | 161 | 328 | 104 | 122 | 198 | 112 | 103 | 37 |
| Sunny days | 16 | 17 | 14 | 17 | 13 | 7 | 8 | 0 | 3 | 16 | 14 | 18 |
| Rainy days | 9 | 9 | 17 | 13 | 18 | 23 | 23 | 31 | 27 | 15 | 16 | 13 |
| Snow days | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Ō-naka during the most sunny months:
The largest precipitation sum in Ō-naka is at