Last updated: June 24, 2025
In December, the average temperature in Charlotte, United States hovers around 15°C (59°F). Visitors can expect a temperature range with a minimum of -2°C (28°F) and a maximum of 33°C (91°F). The weather stays quite humid, with an average humidity level of 86%, and there’s a likelihood of 37 mm (1.4 in) of precipitation over 4 days.
In December in Charlotte, the average temperature is 15°C (59°F). Maximums can reach 33°C (91°F), and minimums can be as low as -2°C (28°F). This variation in temperature makes it essential to pack layers and prepare for diverse weather conditions while traveling.
In Charlotte in December, the precipitation amount is 37 mm (1.4 in) over the course of 4 days.
In Charlotte in December, humidity is 86%. With an average temperature of 15°C (59°F), this humidity feels like a warm, damp blanket that clings to your skin, making traveling slightly uncomfortable but still manageable if you stay hydrated and take breaks in shaded areas.
In Charlotte 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 Charlotte.
UV Risk Categories
Weather in Charlotte varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Charlotte, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 13°C (56°F) | 30 mm (1.2 inches) | 79% | moderate |
| February Weather | 15°C (59°F) | 40 mm (1.6 inches) | 79% | very high |
| March Weather | 20°C (68°F) | 50 mm (2.0 inches) | 74% | very high |
| April Weather | 23°C (74°F) | 48 mm (1.9 inches) | 76% | extreme |
| May Weather | 27°C (81°F) | 101 mm (4.0 inches) | 81% | extreme |
| June Weather | 30°C (85°F) | 54 mm (2.1 inches) | 76% | extreme |
| July Weather | 31°C (87°F) | 64 mm (2.5 inches) | 66% | extreme |
| August Weather | 31°C (88°F) | 39 mm (1.5 inches) | 58% | extreme |
| September Weather | 28°C (83°F) | 99 mm (3.9 inches) | 65% | extreme |
| October Weather | 24°C (75°F) | 68 mm (2.7 inches) | 74% | very high |
| November Weather | 18°C (64°F) | 37 mm (1.5 inches) | 81% | high |
| December Weather | 15°C (59°F) | 37 mm (1.4 inches) | 86% | moderate |