Last updated: June 24, 2025
In December, the average temperature in Ravenswood, United States hovers around 4°C (40°F), with a minimum dipping to -13°C (8°F) and a potential maximum reaching 20°C (67°F). Expect about 120 mm (4.7 in) of precipitation spread over 11 days, contributing to an average humidity of 86%. Make sure to dress accordingly!
In December in Ravenswood, the average temperature is 4°C (40°F), with maximums reaching up to 20°C (67°F) and minimums dropping as low as -13°C (8°F). It's essential to pack accordingly for your travels, as weather can vary significantly during this time.
In Ravenswood in December, the precipitation amount is 120 mm (4.7 in) during a span of 11 days.
In Ravenswood in December humidity is 86%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel cumbersome as you navigate through a thick, heavy air that clings to your skin.
In Ravenswood in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Ravenswood, you can check the information here.
UV Risk Categories
Weather in Ravenswood varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Ravenswood, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (35°F) | 94 mm (3.7 inches) | 88% | moderate |
| February Weather | 4°C (40°F) | 132 mm (5.2 inches) | 88% | moderate |
| March Weather | 8°C (46°F) | 113 mm (4.5 inches) | 88% | high |
| April Weather | 13°C (55°F) | 145 mm (5.7 inches) | 86% | very high |
| May Weather | 19°C (66°F) | 146 mm (5.8 inches) | 82% | very high |
| June Weather | 22°C (73°F) | 160 mm (6.3 inches) | 84% | very high |
| July Weather | 25°C (77°F) | 114 mm (4.5 inches) | 82% | very high |
| August Weather | 24°C (75°F) | 121 mm (4.8 inches) | 73% | very high |
| September Weather | 21°C (71°F) | 108 mm (4.3 inches) | 73% | very high |
| October Weather | 15°C (60°F) | 111 mm (4.4 inches) | 81% | high |
| November Weather | 7°C (45°F) | 80 mm (3.1 inches) | 89% | moderate |
| December Weather | 4°C (40°F) | 120 mm (4.7 inches) | 86% | moderate |