Average annual temperature is 14.2 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: -12.5 °C
Number of sunny days: 149 days
Number of rainy days: 205 days
Number of snow days: 11 days
Look at detailed online map of Hiroshima-ken
* Weather data for Hiroshima-ken 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 | 14.0 | 20.4 | 24.1 | 27.6 | 28.4 | 33.2 | 33.6 | 31.2 | 24.9 | 24.0 | 18.2 |
| Average daytime temperature (°C) | 6.7 | 8.0 | 14.9 | 17.3 | 21.5 | 24.8 | 28.8 | 30.5 | 27.9 | 20.2 | 15.1 | 9.1 |
| Average temperature (°C) | 2.5 | 3.6 | 9.3 | 12.2 | 16.6 | 20.3 | 24.8 | 25.9 | 23.3 | 15.2 | 10.5 | 5.1 |
| Average night temperature (°C) | -0.7 | 0.1 | 4.8 | 8.1 | 12.6 | 17.0 | 21.4 | 22.6 | 20.2 | 11.5 | 6.9 | 1.9 |
| Absolute minimum temperature (°C) | -12.5 | -4.4 | -2.5 | 2.7 | 7.7 | 11.3 | 18.2 | 20.7 | 16.6 | 7.4 | 0.3 | -5.4 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 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) | 6.6 | 6.3 | 8.1 | 7.9 | 8.7 | 7.7 | 9.1 | 9.7 | 9.0 | 8.4 | 7.8 | 6.4 |
| Precipitation (mm) | 50 | 64 | 77 | 198 | 238 | 192 | 147 | 140 | 87 | 26 | 46 | 61 |
| Sunny days | 13 | 11 | 18 | 17 | 13 | 10 | 7 | 4 | 5 | 21 | 18 | 12 |
| Rainy days | 12 | 15 | 13 | 13 | 18 | 20 | 24 | 27 | 25 | 10 | 12 | 16 |
| Snow days | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The largest precipitation sum in Hiroshima-ken is at