Last updated: June 24, 2025
In December, the average temperature in Palmdale, United States hovers around 3°C (38°F). It's a month of contrasts, where temperatures can dip to a chilling -12°C (11°F) or rise to a pleasant 18°C (65°F). Expect 96 mm (3.8 in) of precipitation spread over 10 days, contributing to an average humidity level of 85%. Prepare for a mix of brisk air and occasional dampness!
In December in Palmdale, the average temperature is 3°C (38°F). The maximum can reach 18°C (65°F), while the minimum can drop as low as -12°C (11°F). This temperature variation means travelers should prepare for both chilly and milder conditions during their stay.
In Palmdale in December, the total precipitation amount is 96 mm (3.8 in) over a span of 10 days.
In Palmdale in December, humidity is 85%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable as you contend with the heavy, cold air surrounding you.
In Palmdale 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 Palmdale, you can visit Hourly UV Index in Palmdale.
UV Risk Categories
Weather in Palmdale varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Palmdale, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (34°F) | 69 mm (2.7 inches) | 87% | moderate |
| February Weather | 3°C (37°F) | 106 mm (4.2 inches) | 85% | moderate |
| March Weather | 6°C (43°F) | 100 mm (3.9 inches) | 85% | high |
| April Weather | 12°C (53°F) | 104 mm (4.1 inches) | 83% | very high |
| May Weather | 17°C (64°F) | 125 mm (4.9 inches) | 75% | very high |
| June Weather | 22°C (73°F) | 95 mm (3.7 inches) | 73% | very high |
| July Weather | 25°C (78°F) | 132 mm (5.2 inches) | 65% | very high |
| August Weather | 24°C (76°F) | 128 mm (5.0 inches) | 62% | very high |
| September Weather | 21°C (70°F) | 108 mm (4.3 inches) | 66% | very high |
| October Weather | 15°C (59°F) | 106 mm (4.2 inches) | 79% | high |
| November Weather | 7°C (45°F) | 92 mm (3.6 inches) | 87% | moderate |
| December Weather | 3°C (38°F) | 96 mm (3.8 inches) | 85% | low |