Last updated: June 24, 2025
In December, the average temperature in Kankakee, United States hovers around 1°C (35°F), with a stark range between a frigid -22°C (-8°F) and a warm 18°C (65°F). Expect about 58 mm (2.3 in) of precipitation spread over 7 days, contributing to an average humidity level of 84%.
In December in Kankakee, the average temperature is 1°C (35°F), with maximums reaching 18°C (65°F) and minimums plummeting as low as -22°C (-8°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack for both cold and mild conditions.
In Kankakee in December, the precipitation amount is 58 mm (2.3 in) over the course of 7 days.
In Kankakee in December humidity is 84%. With an average temperature of 1°C (35°F), this humidity feels like a cold, damp chill that seeps into your bones, making it feel much colder than the thermometer suggests, which can be quite uncomfortable for traveling.
In Kankakee in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Kankakee, you can visit Hourly UV Index in Kankakee.
UV Risk Categories
Weather in Kankakee varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Kankakee, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (28°F) | 70 mm (2.7 inches) | 82% | moderate |
| February Weather | -2°C (30°F) | 73 mm (2.9 inches) | 83% | moderate |
| March Weather | 5°C (41°F) | 98 mm (3.9 inches) | 84% | high |
| April Weather | 10°C (51°F) | 119 mm (4.7 inches) | 85% | very high |
| May Weather | 17°C (63°F) | 156 mm (6.1 inches) | 79% | very high |
| June Weather | 23°C (74°F) | 117 mm (4.6 inches) | 82% | very high |
| July Weather | 25°C (76°F) | 96 mm (3.8 inches) | 80% | very high |
| August Weather | 23°C (74°F) | 95 mm (3.7 inches) | 81% | very high |
| September Weather | 21°C (69°F) | 73 mm (2.9 inches) | 80% | very high |
| October Weather | 13°C (56°F) | 130 mm (5.1 inches) | 82% | high |
| November Weather | 5°C (41°F) | 65 mm (2.5 inches) | 88% | moderate |
| December Weather | 1°C (35°F) | 58 mm (2.3 inches) | 84% | low |