Last updated: March 2, 2024
The weather in De Kalb, United States, during January is characterized by an average temperature of 8°C (46°F). Highs can soar to 23°C (73°F), while lows may dip to -7°C (19°F). Typically, the humidity level in De Kalb throughout January hovers around 82%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In January, De Kalb averages 104 mm (4.1 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 10 hours 12 minutes of daylight, with the sun shining for approximately 5 hours 0 minutes each day. Additionally, there is a 44% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In January, the UV Index in De Kalb reaches a maximum of 4, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 30 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 0 | 1 | 1 | 2 | 3 | 4 | 4 | 3 | 2 | 1 | 1 | 0 | 0 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||