Last updated: June 24, 2025
In December, the average temperature in Carson, United States hovers around 1°C (35°F). Expect chilly extremes, with minimum temperatures dipping to -13°C (9°F) and maximums reaching up to 15°C (59°F). With an average precipitation of 247 mm (9.7 in) spread over approximately 20 days, and a high humidity level of 88%, it's a month where staying cozy indoors might be the best plan!
In December in Carson, the average temperature is 1°C (35°F), with maximums reaching up to 15°C (59°F) and minimums dipping as low as -13°C (9°F). Travelers should be prepared for a wide range of temperatures, so layering clothing is recommended to ensure comfort throughout the day.
In Carson in December, the precipitation amount is 247 mm (9.7 in) over the course of 20 days.
In Carson in December, humidity is 88%. With an average temperature of 1°C (35°F), this humidity feels like a chilly embrace, making travel quite uncomfortable as the cold moisture clings to your skin, leaving you feeling damp and frigid.
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 | 1°C (34°F) | 230 mm (9.1 inches) | 86% | low |
| February Weather | 1°C (34°F) | 250 mm (9.8 inches) | 87% | moderate |
| March Weather | 4°C (39°F) | 157 mm (6.2 inches) | 86% | high |
| April Weather | 7°C (46°F) | 136 mm (5.4 inches) | 85% | high |
| May Weather | 12°C (54°F) | 65 mm (2.5 inches) | 80% | very high |
| June Weather | 15°C (60°F) | 52 mm (2.0 inches) | 82% | very high |
| July Weather | 19°C (67°F) | 6 mm (0.2 inches) | 78% | very high |
| August Weather | 20°C (68°F) | 9 mm (0.4 inches) | 62% | very high |
| September Weather | 15°C (60°F) | 71 mm (2.8 inches) | 59% | very high |
| October Weather | 9°C (48°F) | 145 mm (5.7 inches) | 78% | moderate |
| November Weather | 4°C (40°F) | 202 mm (8.0 inches) | 88% | moderate |
| December Weather | 1°C (35°F) | 247 mm (9.7 inches) | 88% | low |