Average annual temperature is 14.6 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: -13.1 °C
Number of sunny days: 149 days
Number of rainy days: 212 days
Number of snow days: 4 days
Look at detailed online map of Seika Chō
* Weather data for Seika Chō 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) | 15.9 | 13.9 | 22.1 | 24.5 | 25.3 | 28.2 | 33.1 | 35.6 | 32.4 | 23.6 | 25.2 | 19.5 |
| Average daytime temperature (°C) | 7.2 | 8.1 | 15.2 | 18.0 | 21.5 | 24.3 | 30.1 | 31.5 | 29.0 | 20.2 | 15.6 | 10.6 |
| Average temperature (°C) | 2.5 | 3.6 | 9.4 | 12.6 | 16.6 | 20.7 | 25.7 | 27.0 | 24.4 | 15.4 | 10.9 | 6.0 |
| Average night temperature (°C) | -1.6 | -0.6 | 4.4 | 7.7 | 12.4 | 17.3 | 21.8 | 23.7 | 20.7 | 11.3 | 6.8 | 2.0 |
| Absolute minimum temperature (°C) | -13.1 | -4.3 | -2.1 | 2.2 | 5.7 | 11.0 | 17.5 | 21.8 | 16.3 | 6.9 | 0.8 | -3.8 |
| 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) | 6.9 | 5.9 | 8.3 | 7.9 | 9.3 | 6.8 | 10.1 | 9.9 | 9.9 | 8.6 | 7.3 | 7.0 |
| Precipitation (mm) | 49 | 50 | 105 | 145 | 243 | 397 | 95 | 201 | 113 | 51 | 119 | 36 |
| Sunny days | 8 | 13 | 17 | 15 | 15 | 9 | 11 | 6 | 7 | 15 | 16 | 17 |
| Rainy days | 21 | 13 | 14 | 15 | 16 | 21 | 20 | 25 | 23 | 16 | 14 | 14 |
| Snow days | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Seika Chō is at