March Weather in Williamsburg, United States

Last updated: June 24, 2025

In Williamsburg, United States during March, the average temperature hovers around 2°C (35°F). However, don't be surprised if temperatures dip as low as -23°C (-10°F) or rise to a balmy 21°C (70°F). Expect about 37 mm (1.5 in) of precipitation over 7 days and an average humidity level of 81%. Stay prepared for a mix of chilly and mild weather!

March Temperature in Williamsburg

In March in Williamsburg, the average temperature is 2°C (35°F). Maximum temperatures can reach 21°C (70°F), while minimums can drop to as low as -23°C (-10°F). Be prepared for a wide range of temperatures, making layering essential for your travels.

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

The chart illustrates March 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, March typically has an average temperature of 2°C (35°F), with highs reaching up to 21°C (70°F) and lows dropping to around -23°C (-10°F).

Data source: Temperature data for Williamsburg generated using information from the Copernicus Climate Change Service.

March Precipitation in Williamsburg

In Williamsburg in March, the precipitation amount is 37 mm (1.5 in) during a span of 7 days.

March Precipitation Trends in Williamsburg

The chart displays monthly precipitation patterns in Williamsburg, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Williamsburg, March typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 7 days.

Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Williamsburg

In Williamsburg in March humidity is 81%. With an average temperature of 2°C (35°F), this humidity feels like a damp chill wrapping around you, making outdoor exploration quite uncomfortable and prompting you to seek warmth indoors rather than traveling extensively outside.

March Average Humidity in Williamsburg

This chart illustrates the average monthly humidity levels in Williamsburg, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Williamsburg is approximately 81%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Williamsburg

In Williamsburg in March, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Williamsburg.

Maximum UV Index Levels in Williamsburg for March

The chart shows the monthly maximum UV Index (UVI) for Williamsburg in March, 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 March, the maximum UV index in Williamsburg typically reaches 9, which falls under the very high exposure category.

Data source: Williamsburg March 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 March 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 March’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 March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	17 mm (0.7 inches)	88%	moderate
February Weather	-4°C (25°F)	23 mm (0.9 inches)	87%	high
March Weather	2°C (35°F)	37 mm (1.5 inches)	81%	very high
April Weather	6°C (43°F)	42 mm (1.7 inches)	76%	extreme
May Weather	11°C (52°F)	74 mm (2.9 inches)	66%	extreme
June Weather	18°C (64°F)	44 mm (1.7 inches)	58%	extreme
July Weather	20°C (68°F)	79 mm (3.1 inches)	52%	extreme
August Weather	19°C (66°F)	61 mm (2.4 inches)	56%	extreme
September Weather	16°C (61°F)	39 mm (1.5 inches)	65%	very high
October Weather	7°C (46°F)	28 mm (1.1 inches)	76%	high
November Weather	2°C (36°F)	17 mm (0.7 inches)	82%	moderate
December Weather	-2°C (28°F)	13 mm (0.5 inches)	89%	moderate