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March Weather in Arlington, United States

Last updated: June 24, 2025

In March, the average temperature in Arlington, United States hovers around 5°C (41°F), with a minimum dipping to -13°C (9°F) and a maximum soaring to 25°C (77°F). Expect a total precipitation of 95 mm (3.7 in) spread over 12 days, contributing to an overall humidity level of 87%.

March Temperature in Arlington

In March in Arlington, the average temperature is 5°C (41°F). The maximum can reach 25°C (77°F), while the minimum can drop to as low as -13°C (9°F). This range of temperatures makes Arlington an interesting destination for travelers seeking a mix of cool and mild weather.

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

The chart illustrates March temperature patterns in Arlington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arlington, March typically has an average temperature of 5°C (41°F), with highs reaching up to 25°C (77°F) and lows dropping to around -13°C (9°F).
JanFebMarAprMayJunJulAugSepOctNovDec293141506272757368574135
Data source: Temperature data for Arlington 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 Arlington

In Arlington in March, the precipitation amount is 95 mm (3.7 in) over the course of 12 days.

March Precipitation Trends in Arlington

The chart displays monthly precipitation patterns in Arlington, 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 Arlington, March typically receives around 95 mm (3.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec7285951031361251128770918764
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Arlington

In Arlington in March humidity is 87%. With an average temperature of 5°C (41°F), this humidity feels like a heavy, damp blanket enveloping you, making every step seem laborious and the chill more biting, which can be quite challenging for traveling.

March Average Humidity in Arlington

This chart illustrates the average monthly humidity levels in Arlington, 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 Arlington is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%88%81%82%81%78%78%82%89%86%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Arlington

In Arlington 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 Arlington, you can refer to this Hourly UV Index in Arlington.

Maximum UV Index Levels in Arlington for March

The chart shows the monthly maximum UV Index (UVI) for Arlington 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 Arlington typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Arlington 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 Arlington Compares to Other Months

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

This table compares monthly weather conditions in Arlington, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)72 mm (2.8 inches)88%moderate
February Weather0°C (32°F)85 mm (3.3 inches)87%moderate
March Weather5°C (41°F)95 mm (3.7 inches)87%high
April Weather10°C (50°F)103 mm (4.1 inches)87%very high
May Weather17°C (63°F)136 mm (5.3 inches)81%very high
June Weather22°C (72°F)125 mm (4.9 inches)82%very high
July Weather24°C (76°F)112 mm (4.4 inches)81%very high
August Weather23°C (73°F)87 mm (3.4 inches)78%very high
September Weather20°C (68°F)70 mm (2.7 inches)78%very high
October Weather14°C (57°F)91 mm (3.6 inches)82%high
November Weather5°C (42°F)87 mm (3.4 inches)89%moderate
December Weather2°C (35°F)64 mm (2.5 inches)86%low

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