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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 13°C (55°F), with nights dipping to a chilly -7°C (19°F) and occasional warm days reaching up to 29°C (85°F). Expect about 167 mm (6.6 in) of rainfall spread across 13 days, contributing to an average humidity of 84%. Be prepared for fluctuating weather, ensuring you pack accordingly!

March Temperature in Arlington

In March in Arlington, the average temperature is 13°C (55°F), with maximums reaching up to 29°C (85°F) and minimums dipping as low as -7°C (19°F). Be prepared for a wide range of temperatures if you're planning to travel during this month.

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 13°C (55°F), with highs reaching up to 29°C (85°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec424655617279828076645047
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 167 mm (6.6 in) over the course of 13 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 167 mm (6.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec1051691671371141151301089610978146
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 84%. With average temperature 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making every step feel sluggish and draining 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 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%81%83%83%80%74%70%73%85%88%
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 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 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 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
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 Weather6°C (42°F)104 mm (4.1 inches)86%moderate
February Weather8°C (46°F)169 mm (6.7 inches)85%high
March Weather13°C (55°F)167 mm (6.6 inches)84%high
April Weather16°C (61°F)137 mm (5.4 inches)81%very high
May Weather22°C (72°F)114 mm (4.5 inches)83%very high
June Weather26°C (79°F)115 mm (4.5 inches)83%extreme
July Weather28°C (82°F)130 mm (5.1 inches)80%extreme
August Weather26°C (80°F)108 mm (4.2 inches)73%very high
September Weather24°C (76°F)96 mm (3.8 inches)70%very high
October Weather18°C (65°F)109 mm (4.3 inches)73%high
November Weather10°C (51°F)78 mm (3.1 inches)85%moderate
December Weather8°C (47°F)146 mm (5.8 inches)88%moderate

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