Average temperature in December is 8.7 °C
Average daytime temperature is 11.5 °C
Average night temperature is 6 °C
Absolute maximum temperature: 20.1 °C
Absolute minimum temperature: 1.3 °C
Number of sunny days: 12
Number of rainy days: 19
Number of snow days:
Precipitation sum: 43 mm
* Weather data for Mitoyo 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 | 10 | 11 | 13.2 | 12.5 | 11.4 | 13.8 | 14.2 | 13.1 | 15.6 | 16.6 | 14.4 | 16.9 | 12.9 | 13.8 | 20.1 | 15.4 | 5 | 7 | 7.6 | 9.9 | 3.9 | 3.5 | 6.3 | 9.3 | 8.4 | 10.3 | 11.7 | 11.3 | 12 | 11.9 | 14.4 |
| Apparent max temperature | 3.8 | 6.6 | 8.7 | 9.8 | 9.7 | 12.2 | 8 | 11.4 | 14.7 | 16.4 | 14.3 | 17.1 | 9.3 | 12.2 | 19.5 | 12.2 | -0.7 | 3.8 | 4.3 | 4.4 | -2.7 | -1.8 | 2.4 | 6.2 | 3.6 | 6.1 | 9 | 9.7 | 8.9 | 8.7 | 11.5 |
| Mean temperature | 8.1 | 9.4 | 9.2 | 9.5 | 9.6 | 11.9 | 9.2 | 9 | 11.1 | 13.5 | 13.2 | 12.7 | 9.5 | 11.9 | 17 | 9.4 | 3.4 | 5.6 | 6.3 | 6.3 | 2.3 | 2.6 | 5.2 | 6.6 | 6.1 | 8.6 | 7.2 | 9.5 | 7.3 | 9.2 | 10.1 |
| Apparent mean temperature | 1.2 | 3.2 | 2.5 | 4 | 3.5 | 6.5 | 1.1 | 3.7 | 6.1 | 8.2 | 8.8 | 6.4 | 3 | 7.3 | 11.6 | -4.7 | -4.8 | -0.5 | 2.8 | -5.1 | -5.9 | -5.3 | -1.3 | 2.1 | 0.1 | 2.8 | 0.6 | 5.3 | 0 | 4.5 | 3.9 |
| Minimum temperature | 7.2 | 7.5 | 5.2 | 6.9 | 6 | 10.2 | 4.3 | 5.8 | 7.5 | 11.2 | 12.1 | 9.1 | 5.7 | 9.9 | 12.6 | 2.8 | 2.3 | 3.8 | 5.1 | 2.1 | 1.3 | 1.8 | 3.8 | 5 | 4 | 6.7 | 3.6 | 7.5 | 3 | 6.4 | 6.8 |
| Apparent min temperature | 2.4 | 5 | 5.7 | 6.8 | 7.7 | 9.2 | 5.1 | 6.9 | 9.9 | 12 | 11 | 10.2 | 6.1 | 10.2 | 16.1 | 2.6 | -2.8 | 2.5 | 3.5 | 0.4 | -4.4 | -3.9 | 1.4 | 3.5 | 1.8 | 4.9 | 4.6 | 7.1 | 4.4 | 6.9 | 5.9 |
| 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 | 10 | 10 | 10 | 10 | 10 | 10 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 |
| Sunshine duration (h) | 8 | 9 | 8.8 | 8.5 | 0.5 | 8 | 9 | 9 | 8.5 | 8.9 | 2.1 | 3.5 | 8.9 | 6.1 | 8.1 | 3.2 | 8.2 | 5.2 | 0 | 6.8 | 8.4 | 8.7 | 6.9 | 8.5 | 8.4 | 6.6 | 8.2 | 8.8 | 8.7 | 8.6 | 8.6 |
| Precipitation (mm) | 0.4 | 0.7 | 0.2 | 0 | 9.2 | 0.4 | 0 | 0 | 0 | 0.2 | 9.8 | 1.1 | 0 | 5.2 | 4.2 | 0.8 | 0 | 0.2 | 4.4 | 1.1 | 0 | 0 | 0 | 2.5 | 1.9 | 0 | 0 | 0.2 | 0 | 0.1 | 0.4 |
| Precipitation hours | 2 | 4 | 2 | 0 | 14 | 2 | 0 | 0 | 0 | 1 | 11 | 2 | 0 | 10 | 6 | 7 | 0 | 2 | 12 | 7 | 0 | 0 | 0 | 7 | 7 | 0 | 0 | 2 | 0 | 1 | 4 |
| Wind speed (m/s) | 31.3 | 22.5 | 24.9 | 11 | 15.3 | 33.4 | 36.7 | 9.1 | 7.8 | 27 | 26.9 | 23.5 | 19 | 15 | 28.7 | 45.9 | 33.7 | 13.8 | 20.3 | 31 | 29.3 | 32.2 | 20.5 | 19.8 | 24 | 27.7 | 9.7 | 17.7 | 9.6 | 17.1 | 37.8 |
In December 2023, the highest daytime temperature in Mitoyo was 20.1°C.
While the minimum temperature at night dropped to 1.3°C.
The average nighttime and daytime temperatures during December in Mitoyo are 6°C and 11.5°C respectively.
The precipitation sum in December is about 43 mm.