Average temperature in December is 3.1 °C
Average daytime temperature is 5.5 °C
Average night temperature is 0.6 °C
Absolute maximum temperature: 14 °C
Absolute minimum temperature: -7.2 °C
Number of sunny days: 1
Number of rainy days: 22
Number of snow days: 8
Precipitation sum: 126 mm
* Weather data for Katagami 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 | 4.2 | 5.4 | 5.1 | 7.7 | 10.4 | 12.4 | 11.6 | 11.3 | 14 | 8.9 | 5.4 | 6 | 4.5 | 4.4 | 6.8 | 11.1 | 1.8 | -0.5 | 2 | -0.3 | -0.3 | -0.7 | 0.1 | 2.3 | 3.5 | 6.3 | 2.2 | 4.8 | 4.3 | 8 | 8.8 |
| Apparent max temperature | -1.1 | 1.7 | 2.5 | 4.8 | 8.8 | 10 | 7.4 | 8.2 | 12.4 | 5.1 | 1.7 | 1.6 | -0.6 | -0.5 | 5 | 9.1 | -7.1 | -5.3 | -2.1 | -4.7 | -4.4 | -3.9 | -3.5 | -1.3 | 0.7 | 1.4 | -1.2 | 2.2 | 0.8 | 5.3 | 7.5 |
| Mean temperature | 1.5 | 3 | 2.6 | 6.1 | 6.6 | 9.9 | 7.2 | 9.8 | 11.1 | 5.9 | 3.1 | 3.8 | 3.6 | 2.4 | 3.6 | 7.8 | -1 | -1.4 | -0.4 | -2.5 | -2.4 | -2.4 | -1.3 | -0.3 | 0.6 | 2.9 | 1.4 | 2.6 | 3.4 | 5.5 | 4.6 |
| Apparent mean temperature | -4.9 | -2.9 | -3.8 | 0.9 | 0.4 | 5 | -2.5 | 4.2 | 3.5 | -0.3 | -3 | -1.9 | -2.3 | -3.7 | -1.7 | -6.5 | -10.1 | -8.7 | -7 | -8.7 | -11.4 | -8.5 | -8.6 | -8.6 | -7.6 | -5 | -4.5 | -2.6 | -0.8 | -1.3 | -4.3 |
| Minimum temperature | -1.4 | -0.1 | -0.3 | 4.9 | 2.8 | 8 | 4.6 | 7.4 | 6.8 | 4.1 | 1.2 | 2.6 | 2.9 | -0.3 | 1.7 | 1.6 | -2.5 | -2.1 | -1.8 | -4.8 | -7.2 | -4.3 | -2.3 | -4.6 | -3.8 | 0.2 | 0.5 | 0.8 | 2.2 | 2.2 | 0.2 |
| Apparent min temperature | -2.6 | -0.4 | -0.7 | 2.3 | 4.4 | 6.7 | 1.5 | 6.2 | 8.7 | 1.8 | -0.9 | -0.6 | -1.3 | -1.8 | 0.5 | 3 | -8.9 | -7.2 | -4.7 | -6.8 | -6.6 | -6.9 | -6.5 | -4.2 | -2.8 | -1.9 | -2.9 | -0.7 | 0.2 | 1.9 | 1.2 |
| 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) | 9.6 | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 |
| Sunshine duration (h) | 6.6 | 7.6 | 0.4 | 6.4 | 1.2 | 7 | 2.8 | 8.3 | 4.3 | 1.6 | 2.3 | 2.3 | 3 | 3.1 | 0 | 0.2 | 7.5 | 7.5 | 5 | 3.3 | 4.3 | 0 | 5 | 4.5 | 3.6 | 3 | 5.2 | 5.3 | 4.9 | 5.2 | 1 |
| Precipitation (mm) | 0.9 | 5.6 | 12.7 | 2 | 4.8 | 0.6 | 7.6 | 0.2 | 6.2 | 0 | 12.3 | 3.6 | 1.6 | 1.7 | 22.8 | 5.2 | 0.4 | 1.7 | 0.8 | 4.5 | 5.1 | 7.2 | 2.3 | 4.4 | 1.7 | 2.6 | 0.3 | 2.1 | 0.1 | 0.2 | 5.2 |
| Precipitation hours | 8 | 9 | 11 | 10 | 11 | 3 | 7 | 2 | 9 | 0 | 9 | 11 | 8 | 4 | 24 | 15 | 3 | 11 | 5 | 20 | 19 | 19 | 8 | 11 | 7 | 11 | 3 | 8 | 1 | 2 | 16 |
| Wind speed (m/s) | 21.3 | 15.8 | 15.4 | 24 | 15.9 | 24.6 | 35.1 | 23.4 | 29 | 17.4 | 16.7 | 19.8 | 23.2 | 17.6 | 17.4 | 41.4 | 43.6 | 31.5 | 19.8 | 15.8 | 17.6 | 21.6 | 26.4 | 13.2 | 13.5 | 28.3 | 21.4 | 14.3 | 12.1 | 19.6 | 26.4 |
In December 2023, the highest daytime temperature in Katagami was 14°C.
While the minimum temperature at night dropped to -7.2°C.
The average nighttime and daytime temperatures during December in Katagami are 0.6°C and 5.5°C respectively.
The precipitation sum in December is about 126 mm.