Last updated: June 24, 2025
In December, the average temperature in South Chicago, United States hovers around 2°C (35°F), with a minimum plunge of -14°C (7°F) and a maximum reaching 14°C (58°F). Expect 86 mm (3.4 in) of precipitation over 10 days, and you'll likely encounter an average humidity of 84%, creating a brisk and damp atmosphere.
In December in South Chicago, the average temperature is 2°C (35°F). The maximum can reach 14°C (58°F), and the minimum can be as low as -14°C (7°F). Be prepared for a wide range of temperatures during your travels, especially if you plan to explore both the chilly and milder parts of South Chicago.
In South Chicago in December, the precipitation amount is 86 mm (3.4 in) over the course of 10 days.
In South Chicago in December, humidity is 84%. With an average temperature of 2°C (35°F), this humidity feels like an uncomfortable chill that penetrates your bones, making outdoor travel quite brisk and uninviting.
In South Chicago 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 South Chicago, you can visit Hourly UV Index in South Chicago.
UV Risk Categories
Weather in South Chicago varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in South Chicago, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (28°F) | 91 mm (3.6 inches) | 82% | moderate |
| February Weather | -2°C (30°F) | 89 mm (3.5 inches) | 83% | moderate |
| March Weather | 3°C (37°F) | 111 mm (4.4 inches) | 84% | high |
| April Weather | 6°C (44°F) | 132 mm (5.2 inches) | 85% | very high |
| May Weather | 12°C (54°F) | 163 mm (6.4 inches) | 79% | very high |
| June Weather | 19°C (66°F) | 133 mm (5.2 inches) | 82% | very high |
| July Weather | 22°C (73°F) | 77 mm (3.0 inches) | 80% | very high |
| August Weather | 23°C (73°F) | 72 mm (2.9 inches) | 81% | very high |
| September Weather | 20°C (68°F) | 76 mm (3.0 inches) | 80% | very high |
| October Weather | 13°C (56°F) | 170 mm (6.7 inches) | 82% | high |
| November Weather | 5°C (42°F) | 90 mm (3.6 inches) | 88% | moderate |
| December Weather | 2°C (35°F) | 86 mm (3.4 inches) | 84% | low |