Average annual temperature is 16.6 °C
Absolute maximum temperature: 34.6 °C
Absolute minimum temperature: -3.4 °C
Number of sunny days: 172 days
Number of rainy days: 191 days
Number of snow days: 2 days
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) | 18.3 | 18.3 | 22.7 | 25.0 | 25.5 | 30.6 | 34.6 | 34.1 | 32.8 | 27.6 | 25.0 | 23.8 |
| Average daytime temperature (°C) | 9.7 | 10.2 | 15.8 | 19.1 | 22.0 | 25.2 | 31.6 | 31.3 | 30.0 | 22.9 | 17.7 | 12.9 |
| Average temperature (°C) | 5.6 | 6.4 | 11.5 | 14.7 | 18.5 | 22.3 | 27.4 | 27.8 | 26.0 | 17.9 | 12.7 | 8.0 |
| Average night temperature (°C) | 2.0 | 3.1 | 7.1 | 10.7 | 15.2 | 19.5 | 23.6 | 24.9 | 22.6 | 13.7 | 8.7 | 4.2 |
| Absolute minimum temperature (°C) | -3.4 | -1.3 | 1.9 | 5.9 | 9.4 | 13.2 | 19.6 | 22.2 | 20.0 | 9.1 | 2.7 | -1.4 |
| 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) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 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) | 7.5 | 7.3 | 8.4 | 8.0 | 9.0 | 6.7 | 10.5 | 9.8 | 10.0 | 8.6 | 7.3 | 7.4 |
| Precipitation (mm) | 43 | 58 | 95 | 202 | 203 | 383 | 72 | 327 | 75 | 43 | 132 | 36 |
| Sunny days | 18 | 13 | 16 | 18 | 15 | 10 | 11 | 6 | 9 | 22 | 17 | 17 |
| Rainy days | 13 | 14 | 15 | 12 | 16 | 20 | 20 | 25 | 21 | 9 | 13 | 13 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Sumiyoshi is at