Average annual temperature is 16.1 °C
Absolute maximum temperature: 37.0 °C
Absolute minimum temperature: -7.9 °C
Number of sunny days: 170 days
Number of rainy days: 195 days
Look at detailed online map of Hiroshima
* Weather data for Hiroshima 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 | 14.1 | 20.8 | 24.0 | 26.2 | 30.2 | 33.9 | 37.0 | 35.2 | 28.2 | 25.7 | 19.8 |
| Average daytime temperature (°C) | 9.8 | 10.5 | 15.8 | 18.5 | 22.2 | 25.3 | 29.6 | 32.3 | 30.1 | 23.3 | 17.6 | 11.9 |
| Average temperature (°C) | 5.0 | 6.1 | 10.7 | 14.0 | 18.1 | 21.7 | 26.3 | 28.3 | 25.7 | 17.3 | 12.5 | 7.3 |
| Average night temperature (°C) | 0.7 | 1.7 | 5.7 | 9.6 | 14.3 | 18.6 | 23.1 | 24.9 | 22.3 | 12.0 | 8.1 | 3.1 |
| Absolute minimum temperature (°C) | -7.9 | -2.5 | -2.4 | 4.5 | 7.0 | 12.7 | 19.4 | 22.8 | 18.3 | 7.4 | 1.7 | -2.7 |
| 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) | 7.2 | 6.7 | 8.4 | 7.9 | 8.7 | 7.7 | 9.3 | 9.8 | 9.1 | 8.6 | 8.1 | 6.8 |
| Precipitation (mm) | 68 | 72 | 74 | 211 | 234 | 224 | 158 | 160 | 56 | 11 | 37 | 50 |
| Sunny days | 16 | 14 | 20 | 14 | 17 | 9 | 8 | 6 | 8 | 24 | 18 | 16 |
| Rainy days | 15 | 14 | 11 | 16 | 14 | 21 | 23 | 25 | 22 | 7 | 12 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Hiroshima is at