Last updated: June 24, 2025
In December, the average temperature in Linn, United States hovers around 4°C (40°F). While you might encounter chilly lows of -16°C (4°F), warmer days can reach up to 23°C (74°F). Expect a total precipitation of 46 mm (1.8 in) spread across 6 days, accompanied by a high average humidity of 86%. Stay prepared for the diverse weather!
In December in Linn, the average temperature is 4°C (40°F). Maximum temperatures can reach 23°C (74°F), while minimum temperatures can drop as low as -16°C (4°F). This wide temperature range suggests that travelers should be well-prepared for both chilly and warm conditions when visiting.
In Linn in December, the precipitation amount is 46 mm (1.8 in) over a span of 6 days.
In Linn 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 Linn 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 Linn, you can check the information here.
UV Risk Categories
Weather in Linn varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Linn, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (33°F) | 73 mm (2.9 inches) | 82% | moderate |
| February Weather | 2°C (36°F) | 73 mm (2.9 inches) | 80% | moderate |
| March Weather | 8°C (47°F) | 126 mm (5.0 inches) | 80% | high |
| April Weather | 13°C (55°F) | 123 mm (4.8 inches) | 80% | very high |
| May Weather | 19°C (66°F) | 163 mm (6.4 inches) | 82% | very high |
| June Weather | 24°C (76°F) | 89 mm (3.5 inches) | 83% | extreme |
| July Weather | 26°C (80°F) | 98 mm (3.8 inches) | 81% | extreme |
| August Weather | 24°C (76°F) | 113 mm (4.5 inches) | 80% | very high |
| September Weather | 22°C (72°F) | 55 mm (2.2 inches) | 76% | very high |
| October Weather | 15°C (59°F) | 95 mm (3.7 inches) | 76% | high |
| November Weather | 7°C (45°F) | 63 mm (2.5 inches) | 85% | moderate |
| December Weather | 4°C (40°F) | 46 mm (1.8 inches) | 86% | moderate |