Last updated: June 24, 2025
In Davis, United States, the average temperature in December hovers around -1°C (31°F). Expect chilly conditions with minimums dropping to -22°C (-6°F) and maximums reaching a mild 19°C (67°F). During this month, you'll encounter approximately 51 mm (2.0 in) of precipitation spread over 6 days, contributing to an average humidity of 81%. Prepare for a mix of wintery weather and damp days!
In December in Davis, the average temperature is -1°C (31°F). The maximum can reach 19°C (67°F), while the minimum can drop as low as -22°C (-6°F). It’s advisable to pack warm clothing if you're planning to visit during this time.
In Davis in December, the precipitation amount is 51 mm (2.0 in) over the course of 6 days.
In Davis in December humidity is 81%. With an average temperature of -1°C (31°F), this humidity feels like a heavy, cold mist that clings to your skin, making outdoor adventures damp and challenging.
In Davis 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 Davis, you can visit Hourly UV Index in Davis.
UV Risk Categories
Weather in Davis varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Davis, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (22°F) | 58 mm (2.3 inches) | 85% | moderate |
| February Weather | -4°C (24°F) | 55 mm (2.2 inches) | 85% | moderate |
| March Weather | 3°C (38°F) | 65 mm (2.6 inches) | 85% | high |
| April Weather | 8°C (47°F) | 101 mm (4.0 inches) | 85% | very high |
| May Weather | 16°C (60°F) | 142 mm (5.6 inches) | 78% | very high |
| June Weather | 22°C (72°F) | 120 mm (4.7 inches) | 80% | very high |
| July Weather | 24°C (75°F) | 81 mm (3.2 inches) | 78% | very high |
| August Weather | 22°C (72°F) | 95 mm (3.7 inches) | 76% | very high |
| September Weather | 19°C (66°F) | 117 mm (4.6 inches) | 79% | very high |
| October Weather | 11°C (52°F) | 110 mm (4.3 inches) | 83% | moderate |
| November Weather | 3°C (37°F) | 45 mm (1.8 inches) | 88% | moderate |
| December Weather | -1°C (31°F) | 51 mm (2.0 inches) | 81% | low |