Last updated: June 24, 2025
In December, the average temperature in Williamston, United States hovers around 0°C (32°F). Temperatures can drop as low as -23°C (-8°F), while the warmest days can reach up to 16°C (62°F). Expect about 57 mm (2.3 in) of precipitation spread over 9 days, contributing to an average humidity of 86%. Stay prepared for a chilly and damp month!
In December in Williamston, the average temperature is 0°C (32°F). The maximum can reach 16°C (62°F), while the minimum can drop as low as -23°C (-8°F). Be prepared for a wide range of temperatures when traveling to Williamston during this month.
In Williamston in December, the precipitation amount is 57 mm (2.3 in) over the course of 9 days.
In Williamston in December humidity is 86%. With an average temperature of 0°C (32°F), this humidity feels like a biting chill that seeps into your bones, making travel feel uncomfortable and damp, as the cold air combines with the moisture to create a brisk sensation that may deter outdoor exploration.
In Williamston 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 Williamston, you can visit Hourly UV Index in Williamston.
UV Risk Categories
Weather in Williamston varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Williamston, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (26°F) | 65 mm (2.5 inches) | 88% | low |
| February Weather | -3°C (27°F) | 67 mm (2.6 inches) | 87% | moderate |
| March Weather | 3°C (37°F) | 68 mm (2.7 inches) | 85% | moderate |
| April Weather | 8°C (47°F) | 90 mm (3.5 inches) | 86% | very high |
| May Weather | 15°C (60°F) | 119 mm (4.7 inches) | 80% | very high |
| June Weather | 21°C (70°F) | 106 mm (4.2 inches) | 80% | very high |
| July Weather | 24°C (75°F) | 84 mm (3.3 inches) | 80% | very high |
| August Weather | 22°C (72°F) | 69 mm (2.7 inches) | 80% | very high |
| September Weather | 18°C (65°F) | 86 mm (3.4 inches) | 80% | high |
| October Weather | 12°C (53°F) | 114 mm (4.5 inches) | 84% | moderate |
| November Weather | 4°C (39°F) | 67 mm (2.6 inches) | 89% | moderate |
| December Weather | 0°C (32°F) | 57 mm (2.3 inches) | 86% | low |