Last updated: June 24, 2025
In Carson, United States, the average temperature in December hovers around -5°C (23°F). This month can bring temperature extremes, with a minimum of -28°C (-18°F) and a maximum reaching 17°C (64°F). Expect some precipitation as well, with an average of 21 mm (0.8 in) spread over 4 days. Humidity tends to be high, averaging around 84%—perfect for cozy indoor moments!
In December in Carson, the average temperature is -5°C (23°F), with a maximum of 17°C (64°F) and a minimum that can drop to as low as -28°C (-18°F). It's advisable to pack warm clothing and be prepared for a wide range of temperatures if you're planning to travel during this time.
In Carson in December, the precipitation amount is 21 mm (0.8 in) over a span of 4 days.
In Carson in December, humidity is 84%. With an average temperature of -5°C (23°F), this humidity feels like an icy blanket wrapping around you, making the cold air bite even deeper and turning travel into a brisk, challenging adventure where each breath comes with a frosty reminder of the chill.
In Carson 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 Carson, you can visit Hourly UV Index in Carson.
UV Risk Categories
Weather in Carson varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Carson, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (18°F) | 12 mm (0.5 inches) | 84% | low |
| February Weather | -10°C (15°F) | 17 mm (0.7 inches) | 88% | moderate |
| March Weather | -1°C (31°F) | 25 mm (1.0 inches) | 78% | moderate |
| April Weather | 5°C (41°F) | 28 mm (1.1 inches) | 75% | very high |
| May Weather | 13°C (56°F) | 64 mm (2.5 inches) | 76% | very high |
| June Weather | 20°C (69°F) | 61 mm (2.4 inches) | 79% | very high |
| July Weather | 23°C (74°F) | 62 mm (2.4 inches) | 78% | very high |
| August Weather | 21°C (70°F) | 66 mm (2.6 inches) | 78% | very high |
| September Weather | 16°C (61°F) | 48 mm (1.9 inches) | 69% | high |
| October Weather | 6°C (44°F) | 58 mm (2.3 inches) | 71% | moderate |
| November Weather | 0°C (32°F) | 15 mm (0.6 inches) | 82% | moderate |
| December Weather | -5°C (23°F) | 21 mm (0.8 inches) | 84% | low |