Average annual temperature is 16.7 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: -2.9 °C
Number of sunny days: 171 days
Number of rainy days: 193 days
Number of snow days: 1 day
Look at detailed online map of Sumiyoshi
* Weather data for Sumiyoshi 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) | 15.7 | 15.2 | 20.3 | 21.2 | 23.9 | 28.4 | 35.0 | 37.3 | 35.1 | 25.4 | 27.9 | 21.1 |
| Average daytime temperature (°C) | 8.9 | 9.3 | 14.6 | 17.9 | 21.4 | 24.5 | 30.6 | 32.6 | 30.4 | 22.2 | 17.2 | 12.1 |
| Average temperature (°C) | 5.6 | 5.8 | 10.7 | 14.3 | 18.3 | 22.1 | 27.5 | 29.2 | 26.8 | 17.8 | 13.1 | 8.2 |
| Average night temperature (°C) | 2.3 | 2.2 | 6.8 | 10.8 | 15.1 | 19.7 | 24.8 | 26.3 | 23.5 | 13.7 | 9.1 | 4.3 |
| Absolute minimum temperature (°C) | -2.9 | -1.5 | 1.6 | 6.4 | 10.0 | 13.5 | 20.2 | 24.0 | 19.4 | 9.5 | 3.2 | -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) | 10.1 | 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) | 7.4 | 6.6 | 8.6 | 8.0 | 9.3 | 6.9 | 10.3 | 10.1 | 9.9 | 8.7 | 7.5 | 7.3 |
| Precipitation (mm) | 54 | 44 | 133 | 165 | 248 | 326 | 78 | 160 | 113 | 44 | 157 | 39 |
| Sunny days | 11 | 11 | 19 | 13 | 16 | 9 | 17 | 8 | 12 | 19 | 18 | 18 |
| Rainy days | 19 | 17 | 12 | 17 | 15 | 21 | 14 | 23 | 18 | 12 | 12 | 13 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sumiyoshi is at