Last updated: June 24, 2025
In Nashville, United States, the average temperature in December hovers around -6°C (21°F). Expect chilling lows of -29°C (-20°F) and occasional highs reaching up to 14°C (58°F). During this month, the region typically experiences 55 mm (2.2 in) of precipitation over 8 days, coupled with an average humidity of 87%.
In December in Nashville, the average temperature is -6°C (21°F). Maximum temperatures can reach 14°C (58°F), while minimums can drop as low as -29°C (-20°F). Travelers should prepare for a wide range of temperatures and pack accordingly to enjoy their visit.
In Nashville in December, the precipitation amount is 55 mm (2.2 in) over the course of 8 days.
In Nashville in December humidity is 87%. With an average temperature of -6°C (21°F), this humidity feels like a biting cold that seeps through layers of clothing, making outdoor travel uncomfortable and leaving you yearning for warmth.
In Nashville 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 Nashville, you can visit Hourly UV Index in Nashville.
UV Risk Categories
Weather in Nashville varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Nashville, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (16°F) | 33 mm (1.3 inches) | 89% | low |
| February Weather | -9°C (16°F) | 50 mm (2.0 inches) | 90% | moderate |
| March Weather | -2°C (28°F) | 49 mm (1.9 inches) | 87% | moderate |
| April Weather | 4°C (39°F) | 92 mm (3.6 inches) | 84% | very high |
| May Weather | 12°C (55°F) | 88 mm (3.5 inches) | 77% | very high |
| June Weather | 18°C (65°F) | 112 mm (4.4 inches) | 75% | very high |
| July Weather | 21°C (69°F) | 112 mm (4.4 inches) | 74% | very high |
| August Weather | 19°C (66°F) | 116 mm (4.6 inches) | 73% | very high |
| September Weather | 15°C (59°F) | 89 mm (3.5 inches) | 78% | high |
| October Weather | 7°C (45°F) | 111 mm (4.4 inches) | 84% | moderate |
| November Weather | -1°C (30°F) | 50 mm (2.0 inches) | 89% | moderate |
| December Weather | -6°C (21°F) | 55 mm (2.2 inches) | 87% | low |