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March Weather in Williamsburg, United States

Last updated: June 24, 2025

In March, the average temperature in Williamsburg, United States hovers around 10°C (51°F). However, be prepared for a temperature range that can dip to a chilly -11°C (13°F) and occasionally rise to a warm 29°C (84°F). Expect 148 mm (5.8 in) of precipitation over approximately 13 days, accompanied by a high average humidity of 87%. Stay prepared for the variability, and embrace the unique climate of the season!

March Temperature in Williamsburg

In March in Williamsburg, the average temperature is 10°C (51°F), with maximums reaching up to 29°C (84°F) and minimums dropping as low as -11°C (13°F). This wide temperature range means travelers should be prepared for both warm and cold conditions.

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 10°C (51°F), with highs reaching up to 29°C (84°F) and lows dropping to around -11°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec394450576873787672614743
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.

March Precipitation in Williamsburg

In Williamsburg in March, the precipitation amount is 148 mm (5.8 in) occurring over the course of 13 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 148 mm (5.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec9718814814612212910414610813075136
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Williamsburg

In Williamsburg in March humidity is 87%. With an average temperature of 10°C (51°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities uncomfortable and sticky, and often requiring frequent breaks to stay hydrated and cool.

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 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%84%84%83%79%66%67%76%89%88%
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 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more 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 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3679111111109753
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.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)97 mm (3.8 inches)88%moderate
February Weather7°C (44°F)188 mm (7.4 inches)88%high
March Weather10°C (51°F)148 mm (5.8 inches)87%high
April Weather14°C (58°F)146 mm (5.8 inches)84%very high
May Weather20°C (68°F)122 mm (4.8 inches)84%extreme
June Weather23°C (74°F)129 mm (5.1 inches)83%extreme
July Weather25°C (78°F)104 mm (4.1 inches)79%extreme
August Weather24°C (76°F)146 mm (5.7 inches)66%very high
September Weather22°C (72°F)108 mm (4.2 inches)67%very high
October Weather16°C (62°F)130 mm (5.1 inches)76%high
November Weather8°C (47°F)75 mm (2.9 inches)89%moderate
December Weather6°C (44°F)136 mm (5.4 inches)88%moderate

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