Last updated: June 24, 2025
In December, the average temperature in Roanoke, United States hovers around 14°C (57°F), with fluctuations ranging from a chilly -3°C (27°F) to a warm 28°C (83°F). Expect 115 mm (4.5 in) of precipitation spread over approximately 10 days, contributing to an average humidity of 88%. Whether you’re enjoying mild days or preparing for brisk evenings, be ready for a blend of weather in this vibrant locale!
In December in Roanoke, the average temperature is 14°C (57°F), with maximums reaching 28°C (83°F) and minimums dropping as low as -3°C (27°F). With such a wide temperature range, travelers should be prepared for both warm days and chilly nights.
In Roanoke in December, the precipitation amount is 115 mm (4.5 in) over a span of 10 days.
In Roanoke in December humidity is 88%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making every step feel heavier and giving a sense of stickiness that can drain your energy quickly while exploring.
In Roanoke in December, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Roanoke.
UV Risk Categories
Weather in Roanoke varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Roanoke, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 12°C (54°F) | 115 mm (4.5 inches) | 81% | moderate |
| February Weather | 15°C (58°F) | 104 mm (4.1 inches) | 81% | very high |
| March Weather | 18°C (65°F) | 62 mm (2.4 inches) | 79% | very high |
| April Weather | 20°C (69°F) | 152 mm (6.0 inches) | 80% | very high |
| May Weather | 25°C (77°F) | 181 mm (7.1 inches) | 81% | extreme |
| June Weather | 27°C (81°F) | 157 mm (6.2 inches) | 76% | extreme |
| July Weather | 28°C (83°F) | 162 mm (6.4 inches) | 73% | extreme |
| August Weather | 28°C (83°F) | 181 mm (7.1 inches) | 71% | extreme |
| September Weather | 26°C (80°F) | 145 mm (5.7 inches) | 72% | very high |
| October Weather | 22°C (72°F) | 123 mm (4.8 inches) | 73% | very high |
| November Weather | 16°C (60°F) | 79 mm (3.1 inches) | 83% | high |
| December Weather | 14°C (57°F) | 115 mm (4.5 inches) | 88% | moderate |