Average temperature in December is -1.3 °C
Average daytime temperature is 2.6 °C
Average night temperature is -4.7 °C
Absolute maximum temperature: 11.1 °C
Absolute minimum temperature: -11.1 °C
Number of sunny days: 13
Number of rainy days: 8
Number of snow days: 10
Precipitation sum: 41 mm
* Weather data for Tomakomai Japan is based on climate observations for 2023 year
| Dicembre (°C) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | 0.2 | 2.6 | 7 | 8 | 9.8 | 9.2 | 11 | 10 | 11.1 | 2.7 | 0.3 | 1 | 1.3 | 0.1 | -0.7 | 8.2 | 1 | -3.7 | -1.8 | -0.2 | -0.4 | 0 | -2.9 | -0.6 | 1.5 | 2.2 | -1.8 | 0.4 | 0.4 | 2.3 | -1.3 |
| Apparent max temperature | -5.7 | -1.4 | 2.7 | 4.7 | 6.8 | 6.2 | 6.1 | 6.2 | 8.2 | -3.2 | -5 | -4.5 | -4.3 | -6 | -4.5 | 1.5 | -5.7 | -10.4 | -6.2 | -5.8 | -6.7 | -5.4 | -8.6 | -4.9 | -2.8 | -1.6 | -7.6 | -3.7 | -2.7 | -1 | -5.4 |
| Mean temperature | -3.3 | 0.3 | 0.4 | 4.5 | 3.4 | 7.5 | 4.6 | 3.2 | 5.7 | -1.4 | -2.1 | -1.5 | -3.2 | -3.7 | -1.8 | 1.8 | -3.4 | -5.9 | -3.3 | -4.1 | -3.1 | -4.9 | -5.4 | -3.3 | -0.2 | -2.1 | -5.2 | -5.5 | -3.8 | -1 | -4.7 |
| Apparent mean temperature | -9.4 | -8 | -7 | -3.1 | -4.2 | 2.6 | -7.1 | -5.3 | -5.7 | -8.6 | -8.8 | -7.8 | -11.1 | -10.5 | -7.4 | -6.9 | -12.4 | -12.7 | -9.2 | -10.9 | -10.7 | -13.1 | -11.8 | -10.3 | -6.2 | -13.3 | -14.6 | -15.5 | -12.3 | -6.9 | -17 |
| Minimum temperature | -5.5 | -3.9 | -3.4 | 0.8 | -1 | 5.4 | -1.2 | -1 | -2.1 | -3.9 | -4.8 | -3.1 | -6.9 | -6.2 | -2.7 | -1.5 | -6.5 | -7.1 | -4.9 | -6.4 | -6.2 | -8.9 | -6.8 | -6.1 | -2.4 | -8.5 | -9.2 | -11.1 | -8.1 | -3 | -10.6 |
| Apparent min temperature | -7.9 | -3.1 | -3.6 | 0.7 | 0.2 | 3.9 | -0.7 | -1.4 | 2.5 | -6.7 | -6.9 | -6.3 | -8.3 | -8.3 | -6 | -2.7 | -9.2 | -11.8 | -7.6 | -9.2 | -8.4 | -9.7 | -10.7 | -7.7 | -4.3 | -6.5 | -10.3 | -9.5 | -7.5 | -5 | -10.8 |
| Dicembre | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 9.3 | 9.3 | 9.2 | 9.2 | 9.2 | 9.2 | 9.2 | 9.2 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 |
| Sunshine duration (h) | 6.7 | 5 | 8.1 | 7.6 | 8 | 7.1 | 1.7 | 6.4 | 3.3 | 8 | 6.7 | 3.4 | 8 | 4.7 | 0 | 0.5 | 8 | 7.9 | 7.1 | 7.8 | 7.9 | 7.9 | 7.9 | 7.9 | 7.2 | 3.3 | 8 | 5.4 | 7.9 | 6.1 | 0.4 |
| Precipitation (mm) | 0 | 0 | 0 | 1.3 | 0.1 | 0.1 | 3.9 | 2.7 | 3.2 | 0 | 1.8 | 2.6 | 0.1 | 0 | 1.7 | 7.6 | 0.2 | 0.1 | 0.6 | 0 | 0 | 0 | 0 | 0 | 0.2 | 3.7 | 0 | 0 | 0 | 1.5 | 9.3 |
| Precipitation hours | 0 | 0 | 0 | 3 | 1 | 1 | 3 | 3 | 9 | 0 | 4 | 8 | 1 | 0 | 7 | 14 | 2 | 1 | 6 | 0 | 0 | 0 | 0 | 0 | 2 | 10 | 0 | 0 | 0 | 7 | 13 |
| Wind speed (m/s) | 17.3 | 8 | 15.8 | 19.4 | 18.1 | 33.8 | 39.1 | 26 | 25.9 | 20.9 | 17.7 | 24.8 | 23.4 | 20.8 | 13.9 | 40.1 | 30.8 | 24 | 13 | 16.7 | 25.1 | 16.8 | 23.4 | 12.7 | 13.2 | 23.1 | 20 | 9.2 | 10.7 | 16.8 | 31.1 |
In December 2023, the highest daytime temperature in Tomakomai was 11.1°C.
While the minimum temperature at night dropped to -11.1°C.
The average nighttime and daytime temperatures during December in Tomakomai are -4.7°C and 2.6°C respectively.
The precipitation sum in December is about 41 mm.