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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 0°C (33°F), with extremes ranging from a brisk -28°C (-18°F) to a surprisingly warm 26°C (78°F). Be prepared for some wet days, as precipitation averages 59 mm (2.3 in) spread over 6 days, coupled with an average humidity of 81%.

March Temperature in Arlington

In March in Arlington, the average temperature is 0°C (33°F). The maximum can reach 26°C (78°F), while the minimum can dip as low as -28°C (-18°F). Be prepared for a wide range of temperatures when traveling to Arlington during this time.

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 0°C (33°F), with highs reaching up to 26°C (78°F) and lows dropping to around -28°C (-18°F).
JanFebMarAprMayJunJulAugSepOctNovDec171632425771747064473425
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 59 mm (2.3 in) over the course of 6 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 59 mm (2.3 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec20205975947410210698752532
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 81%. With an average temperature of 0°C (33°F), this humidity feels like a damp chill enveloping you, making travel uncomfortable and the air heavy, leaving you craving warmth and dry conditions.

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 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%89%81%82%76%81%82%83%82%82%87%84%
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 reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the 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 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35589101098532
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-8°C (17°F)20 mm (0.8 inches)85%moderate
February Weather-9°C (17°F)20 mm (0.8 inches)89%moderate
March Weather0°C (33°F)59 mm (2.3 inches)81%moderate
April Weather6°C (42°F)75 mm (2.9 inches)82%very high
May Weather14°C (57°F)93 mm (3.7 inches)76%very high
June Weather22°C (71°F)74 mm (2.9 inches)81%very high
July Weather23°C (74°F)102 mm (4.0 inches)82%very high
August Weather21°C (71°F)106 mm (4.2 inches)83%very high
September Weather18°C (64°F)98 mm (3.8 inches)82%very high
October Weather8°C (47°F)75 mm (2.9 inches)82%moderate
November Weather1°C (34°F)25 mm (1.0 inches)87%moderate
December Weather-4°C (25°F)32 mm (1.3 inches)84%low

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