Average temperature in December is 7.8 °C
Average daytime temperature is 13 °C
Average night temperature is 3.5 °C
Absolute maximum temperature: 22.9 °C
Absolute minimum temperature: -4.5 °C
Number of sunny days: 14
Number of rainy days: 16
Number of snow days: 1
Precipitation sum: 92 mm
* Weather data for Tamana Japan is based on climate observations for 2023 year
| December (°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 | 11.1 | 11.2 | 13.8 | 13.9 | 16.1 | 15.9 | 14.5 | 16.2 | 19.6 | 20.6 | 18.8 | 17.3 | 17.6 | 17.4 | 22.9 | 12.6 | 5.9 | 7.3 | 5.4 | 10.4 | 5.1 | 3.9 | 6 | 11.4 | 8.2 | 10.1 | 13.2 | 14.4 | 13.7 | 14.7 | 13.9 |
| Apparent max temperature | 5.7 | 8.2 | 11.1 | 11.9 | 14.5 | 14.9 | 11 | 14.4 | 18.9 | 19.7 | 19.7 | 17.6 | 16.5 | 16.7 | 23.7 | 10.8 | -0.1 | 3.7 | 3.5 | 7.1 | 0.1 | -0.9 | 2.8 | 8.5 | 5.2 | 8 | 11 | 12.8 | 11.5 | 13.5 | 11.5 |
| Mean temperature | 5.3 | 6.1 | 7.1 | 9.3 | 9 | 11.8 | 7.1 | 9.7 | 12.4 | 14.3 | 16.4 | 12.9 | 11.3 | 14.5 | 17.5 | 7.4 | 1.8 | 4.3 | 4.1 | 5.6 | 0.5 | -0.6 | 1.3 | 5.3 | 3 | 5.7 | 6 | 6.8 | 6.8 | 10.1 | 9.2 |
| Apparent mean temperature | -2.3 | -0.1 | -1.8 | 4.7 | 1.2 | 3.6 | -1.3 | 3.6 | 5.1 | 9.7 | 14 | 6.5 | 5.4 | 10.6 | 10.2 | -2.3 | -5.5 | -0.9 | 0.1 | -3 | -6.1 | -8.5 | -5.4 | -2.3 | -5.1 | -1.9 | -2.6 | -1.5 | -1.3 | 3.8 | 2.6 |
| Minimum temperature | 0.3 | 2.7 | 1.3 | 6.7 | 3.5 | 6.5 | 1.5 | 6 | 6.7 | 10.8 | 13.9 | 8.6 | 7 | 11.1 | 12 | 2.6 | -2.1 | 1.4 | 2.5 | 1 | -2.4 | -4.5 | -1.8 | 0.4 | -1.3 | 1.1 | 0.2 | 0.8 | 1.5 | 5.7 | 4.8 |
| Apparent min temperature | 2.1 | 3.3 | 4.5 | 7.4 | 7.4 | 10.3 | 4.1 | 7.7 | 11.5 | 13.6 | 17.3 | 11.9 | 10.1 | 14.5 | 17.6 | 3.5 | -2.5 | 1.3 | 1.8 | 1.6 | -3.5 | -4.9 | -2.1 | 2.8 | -0.4 | 3.1 | 3.7 | 4.9 | 4.5 | 8.9 | 6.1 |
| December | 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) | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Sunshine duration (h) | 4.9 | 8.7 | 6.1 | 8.5 | 4.7 | 4 | 9.1 | 8.7 | 8.8 | 8.7 | 2.4 | 1.3 | 8.7 | 0.6 | 6.8 | 0 | 8.2 | 6 | 0 | 5.4 | 4.3 | 8.8 | 7.9 | 5.9 | 4.5 | 6.2 | 8.8 | 8.9 | 8.9 | 6 | 8.9 |
| Precipitation (mm) | 0 | 0 | 0 | 1.1 | 0.3 | 3.8 | 0 | 0 | 0 | 1.7 | 39 | 0.6 | 0 | 0.9 | 22.5 | 1.4 | 0 | 5.6 | 6.1 | 0.2 | 0.1 | 0.2 | 0 | 1.2 | 0 | 0 | 0 | 0 | 0 | 7.3 | 0.2 |
| Precipitation hours | 0 | 0 | 0 | 3 | 1 | 2 | 0 | 0 | 0 | 5 | 17 | 6 | 0 | 2 | 17 | 5 | 0 | 9 | 10 | 2 | 1 | 1 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 10 | 2 |
| Wind speed (m/s) | 22.7 | 8.7 | 12.3 | 6.7 | 9.7 | 17.7 | 15.1 | 7.4 | 8.9 | 7.3 | 18.8 | 14.1 | 8.9 | 16.9 | 17.3 | 19.4 | 23.7 | 9.4 | 7.9 | 20.6 | 19.9 | 21.5 | 7.6 | 11.4 | 15.8 | 8.2 | 6.9 | 6.2 | 7.2 | 9.9 | 26.8 |
In December 2023, the highest daytime temperature in Tamana was 22.9°C.
While the minimum temperature at night dropped to -4.5°C.
The average nighttime and daytime temperatures during December in Tamana are 3.5°C and 13°C respectively.
The precipitation sum in December is about 92 mm.