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January Weather in Williamsburg, United States

Last updated: June 24, 2025

In Williamsburg, United States, the average temperature in January is a chilly -2°C (29°F), with extremes that can plunge to a brisk -24°C (-10°F) or peak at a mild 18°C (65°F). Expect about 67 mm (2.6 in) of precipitation spread over 10 days, contributing to an average humidity of a damp 89%.

January Temperature in Williamsburg

In January in Williamsburg, the average temperature is -2°C (29°F). Maximum temperatures can reach 18°C (65°F), while minimums can drop as low as -24°C (-10°F). Travelers should be prepared for a wide range of temperatures and dress in layers for comfort.

January Weather in Williamsburg: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Williamsburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Williamsburg, January typically has an average temperature of -2°C (29°F), with highs reaching up to 18°C (65°F) and lows dropping to around -24°C (-10°F).
JanFebMarAprMayJunJulAugSepOctNovDec293339496068747266554034
Data source: Temperature data for Williamsburg generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Williamsburg

In Williamsburg in January, the total precipitation amount is 67 mm (2.6 in) over a period of 10 days.

January Precipitation Trends in Williamsburg

The chart displays monthly precipitation patterns in Williamsburg, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Williamsburg, January typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec67106911091291121171001301137893
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Williamsburg

In Williamsburg in January humidity is 89%. With an average temperature of -2°C (29°F), this humidity feels like a suffocating fog that clings to your skin, making outdoor adventures less enjoyable and giving travel a heavy and oppressive feel.

January Average Humidity in Williamsburg

This chart illustrates the average monthly humidity levels in Williamsburg, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Williamsburg is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%89%88%80%79%74%64%67%81%89%88%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Williamsburg

In Williamsburg in January, 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 Williamsburg, you can check the information here.

Maximum UV Index Levels in Williamsburg for January

The chart shows the monthly maximum UV Index (UVI) for Williamsburg in January, 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 January, the maximum UV index in Williamsburg typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098643
Data source: Williamsburg January 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 January Weather in Williamsburg Compares to Other Months

Weather in Williamsburg varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Williamsburg, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Williamsburg, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)67 mm (2.6 inches)89%moderate
February Weather0°C (33°F)106 mm (4.2 inches)90%moderate
March Weather4°C (39°F)91 mm (3.6 inches)89%high
April Weather10°C (50°F)109 mm (4.3 inches)88%very high
May Weather16°C (60°F)129 mm (5.1 inches)80%very high
June Weather20°C (69°F)112 mm (4.4 inches)79%very high
July Weather23°C (74°F)117 mm (4.6 inches)74%very high
August Weather22°C (72°F)100 mm (3.9 inches)64%very high
September Weather19°C (66°F)130 mm (5.1 inches)67%very high
October Weather13°C (56°F)113 mm (4.4 inches)81%high
November Weather5°C (41°F)78 mm (3.1 inches)89%moderate
December Weather1°C (34°F)93 mm (3.7 inches)88%moderate

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