Average annual temperature is 16.6 °C
Absolute maximum temperature: 35.7 °C
Absolute minimum temperature: -3.0 °C
Number of sunny days: 147 days
Number of rainy days: 216 days
Number of snow days: 2 days
Look at detailed online map of Saikai
* Weather data for Saikai 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) | 17.6 | 15.4 | 22.2 | 22.9 | 25.1 | 27.9 | 31.4 | 35.7 | 30.9 | 25.6 | 25.1 | 20.8 |
| Average daytime temperature (°C) | 9.2 | 10.9 | 15.3 | 18.1 | 21.2 | 24.4 | 28.4 | 30.6 | 27.9 | 21.6 | 16.7 | 11.9 |
| Average temperature (°C) | 6.7 | 7.7 | 11.4 | 14.7 | 17.9 | 21.7 | 25.7 | 27.0 | 24.7 | 18.0 | 13.6 | 9.1 |
| Average night temperature (°C) | 4.5 | 4.9 | 8.1 | 11.5 | 15.3 | 19.3 | 23.6 | 24.2 | 22.4 | 15.0 | 10.8 | 6.6 |
| Absolute minimum temperature (°C) | -3.0 | 1.2 | 1.8 | 7.8 | 10.3 | 15.6 | 21.4 | 21.7 | 19.5 | 10.0 | 5.7 | 1.0 |
| 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) | 10.3 | 11.0 | 12.0 | 13.0 | 13.9 | 14.3 | 14.1 | 13.3 | 12.4 | 11.4 | 10.5 | 10.0 |
| Daylight minimum duration (h) | 10.0 | 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) | 6.0 | 6.5 | 7.8 | 8.0 | 8.2 | 7.6 | 8.8 | 11.0 | 9.3 | 9.1 | 7.3 | 5.5 |
| Precipitation (mm) | 116 | 97 | 130 | 230 | 326 | 264 | 282 | 241 | 182 | 52 | 94 | 80 |
| Sunny days | 13 | 14 | 16 | 17 | 15 | 6 | 4 | 2 | 8 | 22 | 20 | 10 |
| Rainy days | 16 | 14 | 15 | 13 | 16 | 24 | 27 | 29 | 22 | 9 | 10 | 21 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Saikai during the most sunny months:
The largest precipitation sum in Saikai is at