Average temperature in January is 12.9 °C
Average daytime temperature is 18 °C
Average night temperature is 8.8 °C
Absolute maximum temperature: 24.5 °C
Absolute minimum temperature: -1 °C
Number of sunny days: 13
Number of rainy days: 18
Number of snow days:
Precipitation sum: 135 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 | 21.3 | 24 | 21.8 | 21.2 | 17.1 | 17.4 | 22 | 16.8 | 15.3 | 17.7 | 24.5 | 21.5 | 14.6 | 11.2 | 14.7 | 21.1 | 23.4 | 24.1 | 20.8 | 15.6 | 14.4 | 14.6 | 12.9 | 14.9 | 16.8 | 11.7 | 13.7 | 18.1 | 18.1 | 19 | 17.2 |
| Apparent max temperature | 22.1 | 25.4 | 23 | 23.4 | 13.9 | 15.2 | 20.9 | 17.8 | 15.3 | 18.4 | 24.3 | 20.6 | 10.4 | 7.9 | 11.4 | 18.9 | 24.5 | 22.3 | 21.1 | 13.2 | 12.5 | 11.8 | 10.7 | 11.6 | 16.3 | 7.7 | 10.6 | 14.9 | 19.6 | 20.2 | 18.2 |
| Mean temperature | 15.6 | 19.9 | 20.3 | 18 | 12.5 | 10.1 | 13.6 | 15.2 | 11 | 9.7 | 18.6 | 19.5 | 8.8 | 4 | 6.2 | 13.1 | 18.9 | 19.4 | 17.9 | 11 | 10.5 | 11.3 | 7.7 | 8.2 | 11.3 | 7 | 6 | 9.3 | 14.6 | 15.9 | 13.8 |
| Apparent mean temperature | 9.9 | 19.7 | 19 | 12.2 | 4.6 | -0.1 | 5.7 | 13.6 | 3.8 | 1.2 | 13.7 | 12.1 | 0.6 | -4.5 | -2.8 | 5.7 | 16.6 | 17.8 | 10.7 | 3.5 | 6.7 | 7.8 | -0.6 | 0 | 3.2 | -0.2 | -4.5 | 1.2 | 9.4 | 14.7 | 8.5 |
| Minimum temperature | 10.8 | 18.4 | 18.9 | 13 | 6.9 | 3 | 7.7 | 13.7 | 6.1 | 4.1 | 14.3 | 15.3 | 5.5 | -0.9 | 0.4 | 8.5 | 17.1 | 16.7 | 12.1 | 6.3 | 8.6 | 9.7 | 2.6 | 3.5 | 7.6 | 3.1 | -1 | 4.3 | 12.5 | 14.2 | 10.7 |
| Apparent min temperature | 15.7 | 21.5 | 21.2 | 18 | 9.9 | 7.6 | 11.7 | 15.4 | 9.5 | 8 | 18.5 | 18.6 | 4 | 0.3 | 3.1 | 10.8 | 19.1 | 19.8 | 17 | 8.2 | 8.8 | 9.6 | 4.6 | 5 | 8.1 | 3.3 | 2.8 | 6.1 | 13.5 | 16.6 | 13.5 |
| 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) | 10.1 | 10.1 | 10.2 | 10.2 | 10.2 | 10.2 | 10.2 | 10.2 | 10.2 | 10.2 | 10.3 | 10.3 | 10.3 | 10.3 | 10.3 | 10.3 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.6 | 10.6 | 10.6 | 10.6 | 10.7 |
| Sunshine duration (h) | 6.6 | 3.8 | 1.4 | 9.3 | 9.3 | 9.3 | 9.3 | 0.8 | 8.1 | 4.5 | 6.3 | 7.9 | 9.4 | 9.4 | 9.5 | 6 | 5.9 | 7 | 9.5 | 7.4 | 3.7 | 6 | 9.6 | 5.6 | 6 | 9.6 | 9.6 | 6.6 | 0 | 0.1 | 0 |
| Precipitation (mm) | 0.3 | 4.2 | 10.9 | 10.5 | 0 | 0 | 0 | 17.4 | 0.2 | 0.1 | 0.2 | 2.1 | 0 | 0 | 0 | 0 | 5.6 | 0.1 | 7.3 | 0 | 14.2 | 10.2 | 0 | 0 | 14.3 | 0 | 0 | 0 | 26.3 | 11 | 0.2 |
| Precipitation hours | 2 | 9 | 13 | 8 | 0 | 0 | 0 | 11 | 1 | 1 | 2 | 4 | 0 | 0 | 0 | 0 | 11 | 1 | 6 | 0 | 15 | 10 | 0 | 0 | 7 | 0 | 0 | 0 | 10 | 10 | 1 |
| Wind speed (m/s) | 13.7 | 17.9 | 23.6 | 15.4 | 12.4 | 9.4 | 13.5 | 13 | 12.7 | 13.6 | 25 | 27 | 22.5 | 16.6 | 11.3 | 24.2 | 19.2 | 27 | 20.8 | 12.1 | 12.3 | 16.2 | 15.6 | 24.3 | 37.3 | 15.8 | 9.1 | 20.8 | 19.5 | 11.4 | 12.3 |
In January 2023, the highest daytime temperature in Monticello was 24.5°C.
While the minimum temperature at night dropped to -1°C.
The average nighttime and daytime temperatures during January in Monticello are 8.8°C and 18°C respectively.
The precipitation sum in January is about 135 mm.