nomadseason

December Weather in Williamston, United States

Last updated: June 24, 2025

In Williamston, United States, the average temperature in December hovers around 9°C (49°F), with winter chills plunging to a minimum of -8°C (18°F) and occasional summer highs reaching up to 25°C (78°F). The region experiences significant rainfall, accumulating around 102 mm (4.0 in) over 10 days, contributing to an average humidity of 84%.

December Temperature in Williamston

In December in Williamston, the average temperature is 9°C (49°F). The maximum can reach 25°C (78°F) and the minimum can be as low as -8°C (18°F). Prepare for a wide range of temperatures, making it essential to pack layers for your travels.

December Weather in Williamston: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Williamston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Williamston, December typically has an average temperature of 9°C (49°F), with highs reaching up to 25°C (78°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec445053627076807975665348
Data source: Temperature data for Williamston generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Williamston

In Williamston in December, the total precipitation amount is 102 mm (4.0 in) falling over the course of 10 days.

December Precipitation Trends in Williamston

The chart displays monthly precipitation patterns in Williamston, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Williamston, December typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec9490671001161511521811297694102
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Williamston

In Williamston in December, humidity is 84%. With an average temperature of 9°C (49°F), this humidity feels like a chilly embrace, making travel uncomfortable as the dampness seeps into your clothes and lingers in the air, leaving you feeling cool yet clammy.

December Average Humidity in Williamston

This chart illustrates the average monthly humidity levels in Williamston, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Williamston is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%81%80%80%81%82%83%83%80%80%83%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Williamston

In Williamston 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 Williamston, you can check the information here.

Maximum UV Index Levels in Williamston for December

The chart shows the monthly maximum UV Index (UVI) for Williamston in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Williamston typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109853
Data source: Williamston December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Williamston Compares to Other Months

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.

This table compares monthly weather conditions in Williamston, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)94 mm (3.7 inches)84%moderate
February Weather10°C (50°F)89 mm (3.5 inches)81%high
March Weather12°C (53°F)67 mm (2.6 inches)80%very high
April Weather17°C (62°F)100 mm (3.9 inches)80%very high
May Weather21°C (70°F)116 mm (4.6 inches)81%extreme
June Weather25°C (76°F)151 mm (6.0 inches)82%extreme
July Weather27°C (80°F)152 mm (6.0 inches)83%extreme
August Weather26°C (79°F)181 mm (7.1 inches)82%very high
September Weather24°C (75°F)129 mm (5.1 inches)80%very high
October Weather19°C (67°F)76 mm (3.0 inches)79%very high
November Weather12°C (53°F)94 mm (3.7 inches)83%moderate
December Weather9°C (49°F)102 mm (4.0 inches)84%moderate

Compare Williamston's Climate with Cities Worldwide