Average temperature in December is 3.9 °C
Average daytime temperature is 7.9 °C
Average night temperature is -0.1 °C
Absolute maximum temperature: 12.2 °C
Absolute minimum temperature: -11.6 °C
Number of sunny days: 8
Number of rainy days: 22
Number of snow days: 1
Precipitation sum: 217 mm
* Weather data for Lachen Switzerland 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 | 6.3 | 2.2 | 0.4 | 5 | 5.6 | 4.2 | 5 | 6.8 | 7.8 | 9.4 | 8 | 10.5 | 9.4 | 6.2 | 5.9 | 6.6 | 7.3 | 11.7 | 11.9 | 5.5 | 8.3 | 7.4 | 8.9 | 9.1 | 10.5 | 9.2 | 12.2 | 10.1 | 12 | 10.8 | 11.9 |
| Apparent max temperature | 4.5 | -0.3 | -2.7 | 1.8 | 3 | 2.1 | 2.3 | 4.9 | 5.7 | 7.7 | 5.8 | 9.1 | 7.8 | 4.3 | 3.7 | 4.4 | 5.1 | 9.2 | 8.9 | 3.1 | 4.8 | 3.8 | 5.5 | 6.8 | 8.5 | 7.5 | 10.8 | 8.9 | 10.3 | 9.4 | 10.2 |
| Mean temperature | 4.3 | -0.3 | -4.4 | -0.6 | 2.5 | 2.7 | 0.2 | 3.7 | 4.6 | 6.1 | 6.4 | 7.6 | 6.2 | 5.1 | 4.4 | 2.5 | 1.5 | 3.1 | 3.9 | 3.4 | 5.7 | 6.5 | 6.3 | 5 | 6.3 | 2.9 | 3.1 | 4.5 | 7.3 | 5.5 | 3.8 |
| Apparent mean temperature | -0.1 | -6.7 | -16.1 | -14.3 | -4.3 | -0.6 | -11.8 | -6.1 | -4.8 | -0.5 | 2.1 | 4.4 | 2.6 | 2 | 0.4 | -5.4 | -5.4 | -5 | -3.5 | -3.3 | 0.4 | 2.2 | 0 | -4 | -2 | -4.4 | -4.4 | -2.9 | 0.2 | -3 | -3.3 |
| Minimum temperature | 2.4 | -3.6 | -11.6 | -10.3 | -0.8 | 1.8 | -7.4 | -2.4 | -1.4 | 2.6 | 5 | 6.4 | 4.4 | 4.2 | 3.1 | -2.5 | -2.6 | -1.3 | -0.1 | -0.2 | 2.8 | 5.6 | 2.5 | -0.6 | 0.7 | -1.1 | -1.1 | 0.5 | 3.2 | 0.2 | -0.1 |
| Apparent min temperature | 2.2 | -3.2 | -8 | -3.9 | -0.2 | 0.4 | -2.6 | 1.3 | 2.3 | 3.3 | 4.3 | 5.8 | 4.4 | 3.2 | 2.2 | 0.1 | -1.2 | 0 | 0.8 | 1 | 2.9 | 2.9 | 3.2 | 2.5 | 4.3 | 0.2 | 0.1 | 1.8 | 5.2 | 3.3 | 1.2 |
| 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) | 8.8 | 8.8 | 8.7 | 8.7 | 8.7 | 8.7 | 8.6 | 8.6 | 8.6 | 8.6 | 8.6 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 |
| Sunshine duration (h) | 0 | 0 | 7.5 | 1.4 | 5.5 | 2.3 | 7.4 | 0 | 2.4 | 3.4 | 0 | 0.2 | 2.3 | 0 | 0.3 | 7.3 | 7.2 | 7.2 | 7.2 | 0.7 | 0 | 0 | 4 | 4.1 | 7.2 | 7 | 7.1 | 3.9 | 5.3 | 7.2 | 5.5 |
| Precipitation (mm) | 28.9 | 22.4 | 0.1 | 0.1 | 3 | 4.9 | 0.1 | 5.2 | 10.5 | 4.9 | 23.5 | 28.2 | 11.3 | 11.8 | 5.3 | 0 | 0 | 0 | 0 | 10.1 | 8.9 | 21.8 | 2.1 | 3.9 | 0 | 0 | 0 | 0 | 3.6 | 0.6 | 5.9 |
| Precipitation hours | 24 | 23 | 1 | 1 | 9 | 19 | 1 | 12 | 11 | 10 | 18 | 22 | 21 | 24 | 10 | 0 | 0 | 0 | 0 | 13 | 23 | 24 | 7 | 6 | 0 | 0 | 0 | 0 | 7 | 3 | 5 |
| Wind speed (m/s) | 5.6 | 7.9 | 8.2 | 9.2 | 7.4 | 4.1 | 8.9 | 6.6 | 10.6 | 15.7 | 8.9 | 8 | 9.9 | 5.5 | 7.6 | 5.6 | 8.2 | 7.9 | 8 | 5.5 | 20.2 | 20.2 | 17.7 | 8.1 | 5.4 | 6.1 | 7.6 | 8.9 | 6.9 | 6.9 | 16.9 |
In December 2023, the highest daytime temperature in Lachen was 12.2°C.
While the minimum temperature at night dropped to -11.6°C.
The average nighttime and daytime temperatures during December in Lachen are -0.1°C and 7.9°C respectively.
The precipitation sum in December is about 217 mm.