Average annual temperature is 16.3 °C
Absolute maximum temperature: 36.0 °C
Absolute minimum temperature: -6.9 °C
Number of sunny days: 126 days
Number of rainy days: 231 days
Number of snow days: 8 days
Look at detailed online map of Hirano
* Weather data for Hirano 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) | 17.4 | 16.2 | 21.6 | 24.8 | 28.2 | 31.1 | 35.5 | 36.0 | 34.1 | 25.4 | 25.9 | 20.9 |
| Average daytime temperature (°C) | 8.3 | 9.5 | 16.0 | 19.2 | 23.0 | 26.1 | 31.5 | 32.6 | 30.3 | 21.6 | 16.9 | 11.9 |
| Average temperature (°C) | 4.5 | 5.5 | 11.1 | 14.4 | 18.3 | 22.4 | 27.0 | 27.9 | 25.6 | 17.2 | 12.6 | 8.0 |
| Average night temperature (°C) | 0.7 | 1.9 | 6.6 | 10.0 | 14.2 | 18.9 | 23.4 | 24.5 | 22.1 | 13.6 | 9.1 | 4.5 |
| Absolute minimum temperature (°C) | -6.9 | -2.3 | 0.6 | 5.5 | 8.2 | 12.4 | 18.8 | 21.5 | 18.3 | 9.4 | 3.4 | -0.8 |
| 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 | 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) | 7.2 | 6.7 | 8.7 | 8.2 | 9.1 | 7.0 | 10.5 | 9.9 | 9.9 | 8.6 | 7.1 | 7.1 |
| Precipitation (mm) | 86 | 46 | 116 | 178 | 222 | 407 | 77 | 225 | 99 | 76 | 128 | 57 |
| Sunny days | 6 | 11 | 16 | 13 | 14 | 10 | 10 | 3 | 7 | 13 | 12 | 11 |
| Rainy days | 22 | 14 | 15 | 17 | 17 | 20 | 21 | 28 | 23 | 18 | 18 | 18 |
| Snow days | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The largest precipitation sum in Hirano is at