Last updated: June 24, 2025
In December, the average temperature in Lennox, United States hovers around -3°C (27°F). While you might experience a chilling minimum of -24°C (-11°F), the temperature can occasionally rise to a maximum of 16°C (62°F). Expect about 39 mm (1.5 in) of precipitation over 4 days, and be prepared for a high average humidity of 83%.
In December in Lennox, the average temperature is -3°C (27°F). Maximums can reach 16°C (62°F), while minimums can drop to as low as -24°C (-11°F). Be prepared for a wide range of temperatures if you plan to travel during this time.
In Lennox in December, the precipitation amount is 39 mm (1.5 in) spread over a period of 4 days.
In Lennox in December humidity is 83%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that wraps around you, making every breath feel heavy and the air almost damp with cold. Traveling in such conditions can be quite challenging, as the moisture in the air makes the cold penetrate deeper, making it essential to dress warmly and stay active to ward off the chill.
In Lennox 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 Lennox, you can visit Hourly UV Index in Lennox.
UV Risk Categories
Weather in Lennox varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Lennox, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (21°F) | 22 mm (0.8 inches) | 80% | low |
| February Weather | -6°C (21°F) | 24 mm (1.0 inches) | 84% | moderate |
| March Weather | 2°C (36°F) | 67 mm (2.6 inches) | 75% | moderate |
| April Weather | 7°C (46°F) | 82 mm (3.2 inches) | 79% | very high |
| May Weather | 15°C (60°F) | 133 mm (5.2 inches) | 74% | very high |
| June Weather | 23°C (74°F) | 85 mm (3.4 inches) | 81% | extreme |
| July Weather | 24°C (76°F) | 80 mm (3.2 inches) | 82% | very high |
| August Weather | 22°C (72°F) | 91 mm (3.6 inches) | 80% | very high |
| September Weather | 19°C (66°F) | 99 mm (3.9 inches) | 75% | very high |
| October Weather | 9°C (49°F) | 78 mm (3.1 inches) | 77% | moderate |
| November Weather | 2°C (36°F) | 23 mm (0.9 inches) | 85% | moderate |
| December Weather | -3°C (27°F) | 39 mm (1.5 inches) | 83% | low |