Last updated: June 24, 2025
In December, the average temperature in De Kalb Junction, United States hovers around -3°C (27°F). Expect a chilly range where temperatures can plummet to a brisk -29°C (-19°F) and occasionally rise to a mild 16°C (62°F). With 94 mm (3.7 in) of precipitation spread over 14 days, you might want to pack an umbrella. Additionally, the air carries an average humidity of 89%, making the cold feel even more pronounced.
In December in De Kalb Junction, the average temperature is -3°C (27°F). Maximums can reach 16°C (62°F), while minimums can drop to as low as -29°C (-19°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both chilly and milder conditions.
In De Kalb Junction in December, the precipitation amount is 94 mm (3.7 in) recorded over the course of 14 days.
In De Kalb Junction in December, humidity is 89%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that seeps into your bones, making outdoor activities uncomfortable and breath a visible frost as you navigate through the wintery landscape.
In De Kalb Junction 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 De Kalb Junction, you can visit Hourly UV Index in De Kalb Junction.
UV Risk Categories
Weather in De Kalb Junction varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in De Kalb Junction, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (21°F) | 91 mm (3.6 inches) | 93% | low |
| February Weather | -5°C (24°F) | 86 mm (3.4 inches) | 93% | moderate |
| March Weather | -1°C (31°F) | 91 mm (3.6 inches) | 86% | high |
| April Weather | 7°C (44°F) | 124 mm (4.9 inches) | 82% | very high |
| May Weather | 14°C (57°F) | 111 mm (4.4 inches) | 75% | very high |
| June Weather | 19°C (66°F) | 102 mm (4.0 inches) | 68% | very high |
| July Weather | 22°C (71°F) | 122 mm (4.8 inches) | 69% | very high |
| August Weather | 20°C (69°F) | 106 mm (4.2 inches) | 67% | very high |
| September Weather | 16°C (62°F) | 73 mm (2.9 inches) | 72% | high |
| October Weather | 10°C (51°F) | 154 mm (6.1 inches) | 83% | moderate |
| November Weather | 2°C (36°F) | 119 mm (4.7 inches) | 88% | moderate |
| December Weather | -3°C (27°F) | 94 mm (3.7 inches) | 89% | low |