Last updated: June 24, 2025
In Woodburn, United States, the average temperature in December hovers around 5°C (42°F). Expect a chilly minimum of -6°C (22°F), while the mercury can rise to a comfortable maximum of 16°C (62°F). Be prepared for wet weather, as precipitation averages 184 mm (7.3 in) over 20 days, and with an average humidity of 87%, it’s safe to say you’ll feel the moisture in the air!
In December in Woodburn, the average temperature is 5°C (42°F). The maximum can reach 16°C (62°F), while the minimum can be as low as -6°C (22°F). Travelers should be prepared for chilly conditions and varying temperatures, making layering essential for comfort.
In Woodburn in December, the total precipitation amount is 184 mm (7.3 in) spread over a period of 20 days.
In Woodburn in December humidity is 87%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and travel less inviting as the air becomes heavy and oppressive.
In Woodburn 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 Woodburn, you can visit Hourly UV Index in Woodburn.
UV Risk Categories
Weather in Woodburn varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Woodburn, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 6°C (43°F) | 156 mm (6.1 inches) | 85% | low |
| February Weather | 5°C (42°F) | 178 mm (7.0 inches) | 84% | moderate |
| March Weather | 8°C (47°F) | 131 mm (5.2 inches) | 85% | moderate |
| April Weather | 11°C (52°F) | 115 mm (4.5 inches) | 83% | high |
| May Weather | 15°C (58°F) | 54 mm (2.1 inches) | 83% | very high |
| June Weather | 18°C (65°F) | 43 mm (1.7 inches) | 83% | very high |
| July Weather | 21°C (71°F) | 4 mm (0.2 inches) | 82% | very high |
| August Weather | 22°C (71°F) | 6 mm (0.3 inches) | 74% | very high |
| September Weather | 18°C (65°F) | 59 mm (2.3 inches) | 71% | high |
| October Weather | 12°C (54°F) | 101 mm (4.0 inches) | 81% | moderate |
| November Weather | 8°C (47°F) | 146 mm (5.7 inches) | 87% | moderate |
| December Weather | 5°C (42°F) | 184 mm (7.3 inches) | 87% | low |