March Weather in Williamsburg, United States

Last updated: June 24, 2025

In Williamsburg, United States, the average temperature in March hovers around 4°C (39°F). However, expect some extremes, with minimums plunging to -22°C (-8°F) and maximums reaching up to 23°C (74°F). During this month, the region sees about 78 mm (3.1 in) of precipitation spread across 8 days, contributing to an average humidity level of 81%.

March Temperature in Williamsburg

In March in Williamsburg, the average temperature is 4°C (39°F), with maximums reaching 23°C (74°F) and minimums plunging as low as -22°C (-8°F). Travelers should be prepared for a wide range of temperatures during this time.

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 4°C (39°F), with highs reaching up to 23°C (74°F) and lows dropping to around -22°C (-8°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 total precipitation amount is 78 mm (3.1 in) over the course of 8 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 78 mm (3.1 inches) of precipitation spread over approximately 8 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 4°C (39°F), this humidity feels like a chilling dampness that penetrates even the warmest layers of clothing, making outdoor exploration uncomfortable and prompting travelers to seek refuge indoors.

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 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Williamsburg, you can refer to this 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 6, which falls under the 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	-6°C (22°F)	48 mm (1.9 inches)	81%	moderate
February Weather	-5°C (24°F)	54 mm (2.1 inches)	81%	moderate
March Weather	4°C (39°F)	78 mm (3.1 inches)	81%	high
April Weather	9°C (49°F)	84 mm (3.3 inches)	82%	very high
May Weather	17°C (62°F)	158 mm (6.2 inches)	78%	very high
June Weather	23°C (74°F)	136 mm (5.4 inches)	81%	extreme
July Weather	24°C (76°F)	79 mm (3.1 inches)	79%	very high
August Weather	23°C (73°F)	64 mm (2.5 inches)	77%	very high
September Weather	20°C (68°F)	123 mm (4.8 inches)	78%	very high
October Weather	11°C (53°F)	137 mm (5.4 inches)	78%	high
November Weather	3°C (38°F)	49 mm (1.9 inches)	87%	moderate
December Weather	-1°C (31°F)	43 mm (1.7 inches)	84%	moderate