December Weather in De Kalb

Last updated: March 2, 2024

The weather in De Kalb, United States, during December is characterized by an average temperature of 10°C (50°F). Highs can soar to 24°C (76°F), while lows may dip to -3°C (26°F). Typically, the humidity level in De Kalb throughout December hovers around 88%.

-3°C (26°F)

Minimum temperature

10°C (50°F)

Average temperature

24°C (76°F)

Maximum temperature

88%

Humidity

Precipitation and Sunshine hours

In December, De Kalb averages 127 mm (5.0 inches) of rainfall, typically over the course of 8 rainy days. The month enjoys an average of 9 hours 57 minutes of daylight, with the sun shining for approximately 6 hours 47 minutes each day. Additionally, there is a 39% probability of sunny days during this period.

127 mm (5.0 inches)

Precipitation

8 rainy days

Rainy days

6 hours 47 minutes

Sunshine hours

39%

Chance of sun

UV Index

In December, 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.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  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 3 2 2 1 1 0 0
Exposure Low Moderate Low
Time to burn 45 min 30 min 45 min

Compare De Kalb's Climate with Cities Worldwide