Last updated: June 24, 2025
In December, the average temperature in Crossville, United States hovers around 5°C (41°F), creating a cool yet dynamic atmosphere. Temperatures can vary widely, with minimums plummeting to -16°C (4°F) and maximums rising to 22°C (71°F). Expect moderate precipitation of 95 mm (3.7 in) spread over 9 days, accompanied by high average humidity at 87%. Whether you're braving the chill or enjoying brief sunny spells, this month offers a unique experience for all adventurers!
In December in Crossville, the average temperature is 5°C (41°F), with maximums reaching 22°C (71°F) and minimums dropping as low as -16°C (4°F). Be prepared for a wide range of temperatures, making layered clothing essential for travelers.
In Crossville in December, the precipitation amount is 95 mm (3.7 in) over the course of 9 days.
In Crossville in December humidity is 87%. With an average temperature of 5°C (41°F), this humidity feels like a heavy, damp blanket enveloping you, making every step seem laborious and the chill more biting, which can be quite challenging for traveling.
In Crossville 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 Crossville, you can check the information here.
UV Risk Categories
Weather in Crossville varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Crossville, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (35°F) | 95 mm (3.7 inches) | 84% | moderate |
| February Weather | 3°C (38°F) | 111 mm (4.4 inches) | 82% | moderate |
| March Weather | 9°C (48°F) | 140 mm (5.5 inches) | 84% | high |
| April Weather | 13°C (57°F) | 117 mm (4.6 inches) | 83% | very high |
| May Weather | 20°C (69°F) | 131 mm (5.1 inches) | 80% | very high |
| June Weather | 25°C (77°F) | 116 mm (4.6 inches) | 83% | extreme |
| July Weather | 27°C (80°F) | 76 mm (3.0 inches) | 82% | very high |
| August Weather | 25°C (77°F) | 83 mm (3.3 inches) | 82% | very high |
| September Weather | 23°C (73°F) | 71 mm (2.8 inches) | 79% | very high |
| October Weather | 16°C (61°F) | 104 mm (4.1 inches) | 79% | high |
| November Weather | 7°C (45°F) | 94 mm (3.7 inches) | 88% | moderate |
| December Weather | 5°C (41°F) | 95 mm (3.7 inches) | 87% | moderate |