Average annual temperature is 14.1 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: -7.6 °C
Number of sunny days: 130 days
Number of rainy days: 220 days
Number of snow days: 15 days
Look at detailed online map of Saijō
* Weather data for Saijō 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) | 14.9 | 13.9 | 22.1 | 24.5 | 28.3 | 28.6 | 33.6 | 32.9 | 31.1 | 24.1 | 23.6 | 17.8 |
| Average daytime temperature (°C) | 6.4 | 7.9 | 15.1 | 17.4 | 21.9 | 25.2 | 29.1 | 30.3 | 27.5 | 19.7 | 14.7 | 8.9 |
| Average temperature (°C) | 2.2 | 3.3 | 9.4 | 12.3 | 16.9 | 20.7 | 24.9 | 26.0 | 23.3 | 14.8 | 10.3 | 5.0 |
| Average night temperature (°C) | -1.2 | -0.3 | 4.8 | 8.2 | 12.9 | 17.2 | 21.3 | 22.9 | 20.1 | 11.0 | 6.8 | 2.0 |
| Absolute minimum temperature (°C) | -7.6 | -5.3 | -4.3 | 2.0 | 7.0 | 10.9 | 17.6 | 20.8 | 15.9 | 4.4 | 0.2 | -3.5 |
| 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 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 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) | 6.0 | 5.9 | 7.9 | 7.6 | 8.3 | 7.3 | 9.0 | 9.1 | 8.4 | 8.2 | 7.1 | 5.6 |
| Precipitation (mm) | 83 | 87 | 80 | 212 | 219 | 209 | 288 | 171 | 94 | 23 | 67 | 73 |
| Sunny days | 7 | 11 | 18 | 16 | 16 | 10 | 6 | 3 | 4 | 17 | 13 | 9 |
| Rainy days | 16 | 14 | 13 | 14 | 15 | 20 | 25 | 28 | 26 | 14 | 17 | 18 |
| Snow days | 8 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The largest precipitation sum in Saijō is at