Average temperature in December is 2.8 °C
Average daytime temperature is 7.4 °C
Average night temperature is -0.7 °C
Absolute maximum temperature: 16.1 °C
Absolute minimum temperature: -5.2 °C
Number of sunny days: 21
Number of rainy days: 6
Number of snow days: 4
Precipitation sum: 54 mm
* Weather data for Lanham United States 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 | 4.5 | 2.9 | 5.7 | 9.2 | 7 | 11 | 16.1 | 12 | 8.3 | 6.4 | 8.9 | 4.6 | 7.3 | 7.8 | 6.5 | 6 | 10.3 | 5.7 | 9.2 | 9.5 | 11.7 | 11.9 | 11.9 | 13.2 | 3.8 | 0.1 | 0.6 | 2.3 | 5.7 | 8 | 2 |
| Apparent max temperature | -1.5 | -0.2 | 1.3 | 3.7 | 2.3 | 5.8 | 12.5 | 8.3 | 4.8 | 1.2 | 4.7 | 0.7 | 4 | 4.5 | 4.7 | 3.2 | 5.6 | 1.3 | 3.5 | 7.7 | 10.7 | 9 | 9.3 | 11.6 | -1.8 | -3.6 | -5.2 | -3 | 0.8 | 3.6 | -2.2 |
| Mean temperature | 1.1 | -1.3 | -0.1 | 1 | 3.3 | 3 | 9.1 | 8.9 | 4.8 | 0.8 | 1.8 | 1.9 | 1.5 | 2.7 | 5 | 4 | 2.8 | 1.4 | 2 | 4.5 | 7.7 | 8.1 | 5.9 | 11.4 | -0.1 | -1.8 | -1.8 | -2.6 | 0.9 | 1.6 | -0.9 |
| Apparent mean temperature | -8.2 | -9.1 | -7.4 | -7.8 | -5.2 | -6 | 0.9 | 0.7 | -4.6 | -8.9 | -8 | -6.2 | -7.3 | -3.9 | -0.3 | -2.5 | -5.8 | -9.4 | -7.1 | -3.7 | 2.7 | 2.1 | -0.8 | -1 | -8.1 | -8.4 | -10.5 | -10 | -8.5 | -5.7 | -8.1 |
| Minimum temperature | -2.7 | -5.2 | -3.4 | -3.5 | 0.4 | -1.9 | 4.9 | 5.7 | 1.5 | -4 | -3.3 | -1 | -2.9 | -0.3 | 3.3 | 1.8 | -2.1 | -3.8 | -1.9 | -0.2 | 5 | 4.8 | 2.6 | 4.5 | -2.2 | -2.9 | -4.5 | -5.1 | -3.3 | -1 | -2.1 |
| Apparent min temperature | -4.5 | -5 | -4.2 | -3.7 | -2 | -1.7 | 5.2 | 4.6 | -1.2 | -4.8 | -2.7 | -2.8 | -2.8 | -0.9 | 2.5 | -0.3 | -1.4 | -3.7 | -3.6 | 1.2 | 5.6 | 6.1 | 2.7 | 8 | -6.3 | -6.4 | -7.5 | -7.7 | -4.3 | -2.8 | -6.4 |
| 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) | 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 | 9.3 | 9.3 | 9.3 | 9.3 | 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 |
| Sunshine duration (h) | 2.6 | 4 | 3.3 | 7.8 | 8.4 | 8.1 | 8.4 | 6.4 | 8.4 | 7 | 8.4 | 2.5 | 7.9 | 1.9 | 0 | 0.6 | 8.3 | 8.3 | 7.8 | 4.8 | 0 | 7 | 3.7 | 0 | 0 | 0 | 8.3 | 7.7 | 8.3 | 7.9 | 0.7 |
| Precipitation (mm) | 0 | 0.1 | 0 | 0.1 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11.6 | 2.5 | 0 | 0 | 0 | 0 | 0 | 4.8 | 0 | 23 | 7.1 | 3.6 | 0.9 | 0 | 0 | 0 | 0 |
| Precipitation hours | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 9 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 15 | 19 | 23 | 8 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 26.1 | 10.8 | 17.9 | 22.4 | 24.2 | 23.7 | 27.5 | 18.8 | 31.6 | 25 | 13.7 | 19.2 | 13.4 | 12.6 | 12.2 | 25.5 | 19.2 | 24.7 | 28 | 15.5 | 12.3 | 11.9 | 26.6 | 32.5 | 30.6 | 18.7 | 23.2 | 20 | 20.6 | 15.4 | 23.5 |
In December 2023, the highest daytime temperature in Lanham was 16.1°C.
While the minimum temperature at night dropped to -5.2°C.
The average nighttime and daytime temperatures during December in Lanham are -0.7°C and 7.4°C respectively.
The precipitation sum in December is about 54 mm.