Last updated: June 24, 2025
In Addison, United States, the weather in December is characterized by an average temperature of -3°C (27°F). Expect chilly days, with minimum temperatures dropping as low as -26°C (-15°F) and occasional peaks reaching up to 15°C (59°F). This month typically sees about 80 mm (3.2 in) of precipitation spread over 11 days, while the average humidity hovers around a brisk 84%. Prepare for a mix of frosty air and wet days!
In December in Addison, the average temperature is -3°C (27°F), with maximums reaching 15°C (59°F) and minimums dropping as low as -26°C (-15°F). It's advisable to pack warm clothing and be prepared for a wide range of temperatures during your travels.
In Addison in December, the precipitation amount is 80 mm (3.2 in) spread over 11 days.
In Addison in December humidity is 84%. With an average temperature of -3°C (27°F), this humidity feels like a heavy blanket that wraps around you, making travel uncomfortable and your breath visible in the cold air.
In Addison 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 Addison, you can visit Hourly UV Index in Addison.
UV Risk Categories
Weather in Addison varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Addison, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -6°C (21°F) | 77 mm (3.0 inches) | 89% | low |
February Weather | -4°C (24°F) | 77 mm (3.0 inches) | 88% | moderate |
March Weather | 0°C (31°F) | 67 mm (2.6 inches) | 86% | moderate |
April Weather | 7°C (44°F) | 111 mm (4.4 inches) | 84% | very high |
May Weather | 14°C (57°F) | 87 mm (3.4 inches) | 76% | very high |
June Weather | 19°C (66°F) | 88 mm (3.5 inches) | 72% | very high |
July Weather | 22°C (71°F) | 110 mm (4.3 inches) | 66% | very high |
August Weather | 21°C (69°F) | 95 mm (3.7 inches) | 64% | very high |
September Weather | 17°C (62°F) | 64 mm (2.5 inches) | 72% | high |
October Weather | 10°C (51°F) | 131 mm (5.2 inches) | 81% | moderate |
November Weather | 2°C (36°F) | 98 mm (3.9 inches) | 87% | moderate |
December Weather | -3°C (27°F) | 80 mm (3.2 inches) | 84% | low |