Average temperature in December is 10.3 °C
Average daytime temperature is 14.1 °C
Average night temperature is 7.1 °C
Absolute maximum temperature: 20.4 °C
Absolute minimum temperature: 0.9 °C
Number of sunny days: 21
Number of rainy days: 10
Number of snow days:
Precipitation sum: 108 mm
* Weather data for Izu 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 | 12.9 | 13.3 | 13.7 | 13.4 | 12.7 | 16.5 | 16.9 | 15.7 | 17.4 | 18.4 | 18.7 | 19.5 | 15.3 | 17.2 | 19.6 | 20.4 | 8.4 | 9.8 | 11.8 | 13.6 | 8.4 | 6.9 | 9.2 | 11.1 | 12.4 | 11.6 | 12.9 | 13.1 | 14.2 | 14.5 | 16.9 |
| Apparent max temperature | 9.1 | 10.7 | 6.6 | 11.4 | 10.7 | 15.1 | 11.9 | 13.1 | 14.5 | 17.7 | 18 | 21 | 14.4 | 14.4 | 17.6 | 19.2 | 2 | 7.7 | 9 | 8.9 | 0.1 | -0.9 | 3.6 | 7.9 | 6.6 | 8.4 | 11 | 10.9 | 12.7 | 12.5 | 16.4 |
| Mean temperature | 9.5 | 9 | 8.8 | 9 | 10.3 | 12.8 | 11.1 | 11.6 | 13.2 | 13.1 | 14.4 | 14.2 | 11.4 | 14.5 | 17.6 | 15.4 | 6.2 | 7.5 | 9.4 | 9.9 | 5.5 | 4.3 | 5.1 | 9.6 | 7.8 | 8.9 | 9.1 | 8.6 | 8.6 | 11.5 | 12.7 |
| Apparent mean temperature | 2.8 | 2.9 | 2.6 | 3.9 | 7.1 | 8.9 | 3.9 | 7.4 | 6.8 | 7.7 | 11.7 | 6.4 | 7.2 | 11.8 | 15.1 | -1.1 | -1.9 | 3 | 4.4 | -1.5 | -4.6 | -3.8 | -1 | 3.5 | 0.2 | 2.2 | 2.9 | 2.7 | 3 | 5.7 | 5.5 |
| Minimum temperature | 5.4 | 5.5 | 4.6 | 6.2 | 8.9 | 10.2 | 6 | 9.5 | 8.9 | 9.9 | 12.2 | 9.3 | 8.7 | 12.8 | 14.4 | 7.3 | 3.4 | 6.4 | 8 | 6.7 | 4 | 0.9 | 2.4 | 7.8 | 3.1 | 5.2 | 6.1 | 5.2 | 5.3 | 8.6 | 6.7 |
| Apparent min temperature | 5.1 | 6.3 | 4.7 | 6.9 | 8.5 | 11.5 | 6.9 | 10 | 10.9 | 11.7 | 13.7 | 12.9 | 10.1 | 13.4 | 16.4 | 11 | -0.4 | 4.6 | 5.8 | 3.3 | -2.8 | -2 | 1.2 | 4.6 | 3.4 | 4.8 | 6.3 | 6.1 | 6.7 | 9.5 | 10.3 |
| 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) | 10 | 10 | 10 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 |
| Sunshine duration (h) | 8.2 | 8.9 | 8.7 | 8 | 0 | 7.9 | 8.9 | 8.9 | 8.8 | 8 | 7 | 5.9 | 8.8 | 8 | 0.3 | 3.8 | 8.4 | 7.9 | 5.8 | 8.7 | 8.7 | 8.7 | 8.3 | 8.7 | 8.5 | 8.7 | 7.4 | 8.4 | 8.5 | 8 | 7.3 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 1.7 | 0.1 | 0 | 0 | 0 | 0 | 45.8 | 10.8 | 0 | 7.5 | 18.2 | 1.4 | 0 | 0 | 1.6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16.7 | 4.1 |
| Precipitation hours | 0 | 0 | 0 | 0 | 9 | 1 | 0 | 0 | 0 | 0 | 11 | 8 | 0 | 9 | 24 | 6 | 0 | 0 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 2 |
| Wind speed (m/s) | 34.9 | 14.8 | 34.7 | 9.4 | 12.8 | 17.6 | 41 | 9.4 | 19.4 | 10.9 | 14.2 | 23.6 | 9.5 | 19.1 | 36.4 | 43.5 | 47 | 10.7 | 23 | 42.9 | 44 | 40.6 | 25.9 | 31.1 | 34.5 | 37.2 | 13.3 | 12.7 | 6.5 | 14.8 | 34.6 |
In December 2023, the highest daytime temperature in Izu was 20.4°C.
While the minimum temperature at night dropped to 0.9°C.
The average nighttime and daytime temperatures during December in Izu are 7.1°C and 14.1°C respectively.
The precipitation sum in December is about 108 mm.