nomadseason

March Weather in Arlington, United States

Last updated: June 24, 2025

In Arlington, United States, the average temperature in March hovers around 7°C (45°F). Expect a chilly minimum of -14°C (8°F), while the mercury can rise to a pleasant 21°C (69°F) at times. Precipitation is moderate, with 31 mm (1.2 in) spread across 8 days, and an average humidity of 86% keeps the air quite moist.

March Temperature in Arlington

In March in Arlington, the average temperature is 7°C (45°F). Maximum temperatures can reach up to 21°C (69°F), while minimums can drop as low as -14°C (8°F). This variation in temperature makes it essential to pack both warm and mild-weather clothing for your travels.

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 7°C (45°F), with highs reaching up to 21°C (69°F) and lows dropping to around -14°C (8°F).
JanFebMarAprMayJunJulAugSepOctNovDec363744526169777666524336
Data source: Temperature data for Arlington generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
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 31 mm (1.2 in) over the course of 8 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 31 mm (1.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec485931301881512284051
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

March Humidity in Arlington

In Arlington in March, humidity is 86%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration a bit uncomfortable and necessitating cozy layers to stay warm while navigating the moist air.

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 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%87%86%85%80%82%79%63%59%78%88%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 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.
JanFebMarAprMayJunJulAugSepOctNovDec24579101098532
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 Weather2°C (36°F)48 mm (1.9 inches)86%low
February Weather3°C (37°F)58 mm (2.3 inches)87%moderate
March Weather7°C (45°F)31 mm (1.2 inches)86%moderate
April Weather11°C (52°F)30 mm (1.2 inches)85%high
May Weather16°C (62°F)18 mm (0.7 inches)80%very high
June Weather21°C (69°F)8 mm (0.3 inches)82%very high
July Weather25°C (77°F)1 mm (0.0 inches)78%very high
August Weather25°C (77°F)4 mm (0.2 inches)62%very high
September Weather19°C (67°F)12 mm (0.5 inches)59%very high
October Weather11°C (53°F)28 mm (1.1 inches)78%moderate
November Weather6°C (43°F)40 mm (1.6 inches)88%moderate
December Weather2°C (36°F)51 mm (2.0 inches)88%low

Compare Arlington's Climate with Cities Worldwide