Average temperature in January is 0.7 °C
Average daytime temperature is 5.4 °C
Average night temperature is -2.5 °C
Absolute maximum temperature: 16.2 °C
Absolute minimum temperature: -13.1 °C
Number of sunny days: 18
Number of rainy days: 9
Number of snow days: 4
Precipitation sum: 48 mm
* Weather data for Monticello 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 | 10.3 | 8.6 | 16.2 | 6.6 | 1.5 | 4.1 | 1.8 | 3.8 | 10.6 | 9.1 | 11.4 | 6.5 | 0.7 | 4.4 | 9.4 | 15.6 | 10.5 | 3 | 4.3 | 3.4 | 6 | 2.4 | 3.4 | 6.6 | 2.5 | -0.9 | 8.1 | 6.5 | 1.3 | -6.4 | -4.3 |
| Apparent max temperature | 8.7 | 6 | 13.7 | 1.6 | -3.8 | 0.8 | -2.3 | 0.6 | 6.4 | 6.7 | 9.3 | 3.8 | -4.3 | -0.3 | 4.9 | 11.6 | 6 | -0.4 | 0.9 | -1.5 | 2.9 | -1.2 | -1.4 | 3.7 | -1.8 | -6 | 1.7 | 3.2 | -3.4 | -12.3 | -9.2 |
| Mean temperature | 6.1 | 5.5 | 12.4 | 2.2 | 0.4 | -0.8 | -2.3 | -0.8 | 0.6 | 4 | 5.3 | 2.3 | -3 | -3.1 | 2.8 | 10.4 | 4.8 | 0.6 | 2.5 | 0.1 | -1.1 | 1 | -1.3 | 0.6 | 0.9 | -4.1 | -0.1 | -0.1 | -4.7 | -9.1 | -9.6 |
| Apparent mean temperature | 0.1 | 0.6 | 4.2 | -5.3 | -6.2 | -8.4 | -10.5 | -6.8 | -8.2 | -4.1 | -3.7 | -6.1 | -11.4 | -11 | -5.5 | 3.2 | -3.6 | -5.1 | -4.3 | -7 | -8.7 | -2.8 | -9.4 | -6.9 | -4.6 | -13.6 | -11.6 | -7.4 | -14.5 | -17.3 | -17.8 |
| Minimum temperature | 2.8 | 3.6 | 8.7 | 0 | -0.7 | -4.6 | -5.7 | -3.4 | -3.9 | -0.7 | 0.1 | -0.2 | -5.6 | -7.1 | -0.3 | 7.2 | 0.6 | -1.1 | 1.1 | -1.7 | -5.3 | 0.3 | -4.9 | -3.5 | -0.2 | -7.8 | -6.4 | -3.3 | -8.8 | -11.1 | -13.1 |
| Apparent min temperature | 3.4 | 2.7 | 10.2 | -3.1 | -4.8 | -4.8 | -6.7 | -4.5 | -3.5 | 0.6 | 2.4 | -2.9 | -8.5 | -7.5 | -2.3 | 6.1 | 0.4 | -3.3 | -1.7 | -5.1 | -4.3 | -1.9 | -5.8 | -2.9 | -3 | -10 | -5.8 | -4.2 | -10.4 | -15.1 | -14.6 |
| 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) | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | 9.6 | 9.6 | 9.6 | 9.6 | 9.7 | 9.7 | 9.7 | 9.7 | 9.8 | 9.8 | 9.8 | 9.9 | 9.9 | 9.9 | 9.9 | 10 | 10 | 10.1 | 10.1 | 10.1 |
| Sunshine duration (h) | 7.1 | 0 | 6.6 | 0 | 0.5 | 8 | 8 | 7.5 | 8.2 | 6.5 | 8 | 3 | 8.6 | 8.6 | 5.6 | 7.6 | 8.6 | 0 | 1.1 | 5.7 | 6 | 0 | 6.8 | 5.3 | 1 | 8.2 | 8.7 | 3.2 | 7.6 | 6.4 | 9.1 |
| Precipitation (mm) | 0.4 | 0.3 | 13.6 | 0.4 | 0.2 | 0 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 10.1 | 4.3 | 0 | 0 | 4.2 | 0 | 0 | 8.2 | 0 | 1.1 | 0 | 0 | 0.6 | 0 |
| Precipitation hours | 1 | 3 | 11 | 4 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 8 | 12 | 0 | 0 | 15 | 0 | 0 | 17 | 0 | 2 | 0 | 0 | 5 | 0 |
| Wind speed (m/s) | 16.3 | 15.3 | 24.3 | 24.2 | 22.3 | 13.8 | 12.4 | 9.7 | 13 | 15 | 11.3 | 27.4 | 21.3 | 12.9 | 20.5 | 28 | 20.8 | 23.8 | 28.4 | 21.5 | 8.3 | 14.4 | 15.4 | 13.4 | 20.9 | 21.7 | 32.1 | 14.2 | 20.1 | 18.7 | 12.7 |
In January 2023, the highest daytime temperature in Monticello was 16.2°C.
While the minimum temperature at night dropped to -13.1°C.
The average nighttime and daytime temperatures during January in Monticello are -2.5°C and 5.4°C respectively.
The precipitation sum in January is about 48 mm.