Average temperature in January is 5.6 °C
Average daytime temperature is 10.4 °C
Average night temperature is 2.4 °C
Absolute maximum temperature: 18.7 °C
Absolute minimum temperature: -5.3 °C
Number of sunny days: 10
Number of rainy days: 20
Number of snow days: 1
Precipitation sum: 133 mm
* Weather data for Lancaster United States is based on climate observations for 2023 year
| January (°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 | 15.3 | 18.7 | 16.7 | 16.4 | 10.1 | 7.2 | 10.2 | 10.6 | 7.2 | 11.2 | 13.3 | 16.2 | 8.3 | 2.9 | 6.3 | 10.5 | 16.2 | 13.2 | 17 | 9.3 | 6.5 | 5.6 | 5.1 | 8.4 | 11.9 | 3.2 | 7.6 | 12.3 | 9.4 | 12.7 | 3.5 |
| Apparent max temperature | 13.7 | 18.9 | 16 | 15.5 | 6.9 | 3 | 7.2 | 7.9 | 4.6 | 8 | 12 | 14.6 | 5.1 | -1.7 | 2.8 | 6.7 | 12.8 | 10.9 | 13.4 | 3.8 | 3.4 | 3.3 | 0.6 | 5.3 | 7.4 | -1.6 | 1.9 | 7.8 | 6.7 | 10.4 | 0.4 |
| Mean temperature | 10.4 | 12.7 | 15.6 | 14.4 | 6.1 | 3.6 | 4.3 | 5 | 3.2 | 3.8 | 7.2 | 12.3 | 3.6 | -0.2 | -1.2 | 2.2 | 11 | 7.8 | 14 | 3.9 | 1 | 2.3 | 1.9 | 0.9 | 5.6 | 1.8 | 0.3 | 6.5 | 7 | 7.6 | 0.4 |
| Apparent mean temperature | 5.3 | 7.4 | 11 | 8.2 | -2.2 | -4.8 | -2.3 | -1.2 | -2.6 | -4 | 0 | 5.4 | -3.3 | -7.9 | -9.2 | -6.8 | 4.2 | 0.9 | 5.8 | -2.5 | -6.4 | -4.6 | -4.2 | -7.2 | -3.1 | -4.3 | -9.6 | -2.7 | 0.7 | 1.6 | -5.7 |
| Minimum temperature | 7.4 | 9.6 | 13.4 | 11.7 | 1.4 | -0.8 | 1.1 | 2.9 | 1.2 | 0.1 | 3.2 | 8.5 | 1.3 | -2.8 | -5.3 | -2.2 | 7.7 | 3 | 11.3 | 2.2 | -3.3 | -0.6 | 0.1 | -3.2 | 1.2 | 0.3 | -5.2 | 1.8 | 4.7 | 4.7 | -1.7 |
| Apparent min temperature | 8.9 | 11.3 | 14.7 | 12.5 | 2.2 | -0.6 | 1.2 | 1.9 | -0.1 | 0.1 | 4.5 | 10.9 | -0.9 | -5 | -4.8 | -2.2 | 8.1 | 5.4 | 10.9 | -0.9 | -2.3 | -0.7 | -2.3 | -2.8 | 1.2 | -3.2 | -4.6 | 1.7 | 3.4 | 5.6 | -3.1 |
| January | 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) | 9.6 | 9.6 | 9.6 | 9.6 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.9 | 9.9 | 9.9 | 9.9 | 10 | 10 | 10 | 10 | 10.1 | 10.1 | 10.1 | 10.2 | 10.2 | 10.2 | 10.3 | 10.3 |
| Sunshine duration (h) | 7.4 | 3.5 | 0 | 5.7 | 8.1 | 8.6 | 7 | 1 | 7 | 8 | 0.3 | 1 | 1.8 | 7.8 | 8.7 | 2.3 | 7.2 | 1.3 | 8.5 | 5.4 | 8.9 | 0 | 2.7 | 8.7 | 3.4 | 4.5 | 9.2 | 8.9 | 0 | 2 | 0 |
| Precipitation (mm) | 0.2 | 1.6 | 20.1 | 13.8 | 0.1 | 0 | 0 | 0.4 | 0 | 0 | 1.9 | 27.5 | 2.2 | 0.1 | 0 | 0.6 | 2.7 | 0 | 18.2 | 0.3 | 0 | 11.5 | 1.2 | 0 | 10.8 | 1.6 | 0 | 0 | 10.3 | 0.6 | 7.4 |
| Precipitation hours | 2 | 4 | 19 | 9 | 1 | 0 | 0 | 3 | 0 | 0 | 7 | 15 | 15 | 1 | 0 | 2 | 10 | 0 | 10 | 2 | 0 | 15 | 11 | 0 | 10 | 13 | 0 | 0 | 14 | 4 | 16 |
| Wind speed (m/s) | 15.8 | 15.3 | 24.4 | 22.7 | 22.6 | 15.5 | 10.7 | 14.7 | 14.3 | 12.2 | 18.2 | 25 | 19.6 | 16.7 | 8.6 | 19.2 | 20.9 | 14 | 32.4 | 24.9 | 8.4 | 10.5 | 17.1 | 10.6 | 30.8 | 22.7 | 21.5 | 22.8 | 18.3 | 13.8 | 11.2 |
In January 2023, the highest daytime temperature in Lancaster was 18.7°C.
While the minimum temperature at night dropped to -5.3°C.
The average nighttime and daytime temperatures during January in Lancaster are 2.4°C and 10.4°C respectively.
The precipitation sum in January is about 133 mm.