Average temperature in December is 8.3 °C
Average daytime temperature is 13.4 °C
Average night temperature is 4.3 °C
Absolute maximum temperature: 21.7 °C
Absolute minimum temperature: -2 °C
Number of sunny days: 21
Number of rainy days: 10
Number of snow days:
Precipitation sum: 44 mm
* Weather data for Narita 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 | 12.1 | 12.8 | 13.2 | 11.9 | 14.9 | 18 | 16.1 | 17 | 18.6 | 16 | 16.4 | 13.5 | 15 | 20.4 | 21.7 | 11.8 | 9.4 | 10 | 12.1 | 11 | 9 | 8.4 | 10.4 | 11.5 | 11.7 | 11.2 | 10.3 | 13 | 14.6 | 12.3 |
| Apparent max temperature | 8.4 | 9.5 | 9.5 | 10.5 | 9.7 | 12.9 | 12.8 | 13.8 | 15.3 | 17.9 | 13.4 | 15 | 11.1 | 14 | 17.5 | 21.4 | 7.4 | 3.9 | 7.6 | 9.6 | 7.3 | 4.3 | 4.6 | 8.4 | 8.9 | 8.2 | 8.5 | 8 | 10.2 | 12.9 | 11.1 |
| Mean temperature | 6.9 | 7.2 | 8.4 | 7.8 | 9 | 10.8 | 11.5 | 9.9 | 9.9 | 13.2 | 13.4 | 11.1 | 8.3 | 10.6 | 15.3 | 16.6 | 6.9 | 5.5 | 6.3 | 7 | 5.2 | 3.3 | 3.6 | 4.2 | 5 | 6 | 6.4 | 5.7 | 6.8 | 8.6 | 8.4 |
| Apparent mean temperature | 0.1 | 0.4 | 0.3 | 1.5 | 5.6 | 5.8 | 3.2 | 1.6 | 2.5 | 6.7 | 10.8 | 2.9 | 2.3 | 6.4 | 7.5 | 8 | -2 | -1.3 | 0.6 | -0.2 | -4 | -5.6 | -2.8 | -3.8 | -3.3 | -1.7 | -0.9 | -1.5 | 0 | 2.9 | 2.7 |
| Minimum temperature | 2.8 | 3.2 | 3.9 | 3.8 | 7.6 | 7.5 | 6.6 | 4.1 | 4.9 | 8.6 | 11.5 | 6 | 5.1 | 8.4 | 8.8 | 9 | 2.8 | 2.7 | 3.4 | 3.2 | -0.2 | -2 | 0.8 | -0.4 | -0.2 | 1.8 | 3.4 | 1.8 | 3 | 4.9 | 6.2 |
| Apparent min temperature | 4 | 4.6 | 4.4 | 5.2 | 6.9 | 8.8 | 7.1 | 7.5 | 7.9 | 11.8 | 12 | 8.8 | 5.7 | 9 | 13.1 | 14.1 | 1.6 | 1.1 | 3.8 | 4.2 | 1.2 | -1 | -0.2 | 1.2 | 2 | 2.9 | 2.8 | 2.8 | 3.9 | 6.4 | 6.2 |
| 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) | 9.9 | 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 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.8 | 9.8 | 9.8 |
| Sunshine duration (h) | 7.3 | 9 | 8.9 | 7.9 | 0.1 | 7.8 | 8.9 | 8.9 | 8.8 | 7.9 | 1.1 | 5.1 | 8.8 | 8 | 0.1 | 6.6 | 8.8 | 8 | 2.3 | 8.8 | 8.8 | 8.8 | 8.2 | 7.8 | 8.7 | 8.7 | 8 | 1.6 | 8.7 | 8 | 5.4 |
| Precipitation (mm) | 0 | 0.2 | 0 | 0 | 4 | 0.2 | 0 | 0 | 0 | 0 | 13 | 18.1 | 0 | 1.5 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.8 | 3.5 |
| Precipitation hours | 0 | 2 | 0 | 0 | 13 | 1 | 0 | 0 | 0 | 0 | 8 | 6 | 0 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 5 |
| Wind speed (m/s) | 10.2 | 9.4 | 25.3 | 9.7 | 11.5 | 14.9 | 35.7 | 11.3 | 9 | 14.7 | 21 | 19 | 11.2 | 9.8 | 43.8 | 35.9 | 25 | 19.7 | 7.9 | 13.2 | 20.9 | 19.6 | 11.2 | 9.4 | 13.7 | 9.8 | 14.1 | 8.5 | 10.2 | 12.1 | 16 |
In December 2023, the highest daytime temperature in Narita was 21.7°C.
While the minimum temperature at night dropped to -2°C.
The average nighttime and daytime temperatures during December in Narita are 4.3°C and 13.4°C respectively.
The precipitation sum in December is about 44 mm.