Average annual temperature is 13.4 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: -8.2 °C
Number of sunny days: 145 days
Number of rainy days: 216 days
Number of snow days: 4 days
Look at detailed online map of Tatsuyamachō-sejiri
* Weather data for Tatsuyamachō-sejiri 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) | 13.8 | 13.8 | 22.8 | 25.1 | 30.2 | 29.8 | 33.6 | 32.4 | 30.9 | 25.9 | 22.5 | 16.8 |
| Average daytime temperature (°C) | 7.1 | 9.1 | 14.5 | 17.1 | 20.9 | 24.2 | 29.2 | 29.1 | 27.6 | 19.8 | 15.2 | 10.3 |
| Average temperature (°C) | 1.7 | 3.5 | 8.8 | 11.7 | 15.5 | 19.6 | 23.9 | 24.2 | 22.5 | 14.0 | 9.9 | 4.8 |
| Average night temperature (°C) | -2.1 | -1.0 | 3.9 | 7.0 | 11.3 | 15.9 | 20.1 | 20.8 | 18.9 | 9.3 | 6.0 | 0.7 |
| Absolute minimum temperature (°C) | -8.2 | -6.3 | -3.7 | 0.6 | 4.6 | 10.4 | 17.2 | 18.6 | 12.5 | 4.5 | -1.5 | -4.2 |
| 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 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.7 | 7.5 | 8.4 | 8.4 | 8.7 | 7.1 | 10.4 | 10.6 | 9.5 | 8.9 | 7.9 | 7.4 |
| Precipitation (mm) | 37 | 79 | 211 | 283 | 345 | 593 | 127 | 180 | 228 | 138 | 145 | 94 |
| Sunny days | 20 | 15 | 15 | 7 | 11 | 9 | 4 | 3 | 7 | 16 | 19 | 19 |
| Rainy days | 8 | 13 | 16 | 23 | 20 | 21 | 27 | 28 | 23 | 15 | 11 | 11 |
| Snow days | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Tatsuyamachō-sejiri is at