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March Weather in Arlington, United States

Last updated: June 24, 2025

In Arlington, United States, the average temperature in March hovers around 17°C (62°F). However, be prepared for a range of weather, with minimums dipping to -2°C (29°F) and maximums soaring up to 32°C (90°F). Expect about 85 mm (3.3 in) of precipitation spread over 9 days, accompanied by an average humidity of 80%—perfect for those cozy indoor days!

March Temperature in Arlington

In March, in Arlington, the average temperature is 17°C (62°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop as low as -2°C (29°F). This diverse temperature range makes Arlington an intriguing destination for travelers, offering opportunities for both warm and cool outdoor activities.

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 17°C (62°F), with highs reaching up to 32°C (90°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec515762677580828279725854
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 85 mm (3.3 in) over the course of 9 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 85 mm (3.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec8811485113891031191231159849125
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 80%. With an average temperature of 17°C (62°F), this humidity feels like a heavy blanket wrapping around you, making travel sticky and uncomfortable, and often leaving you longing for a refreshing breeze.

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 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%82%80%76%73%74%80%79%83%77%84%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 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For 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 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589101111111110864
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 Weather11°C (52°F)88 mm (3.5 inches)85%moderate
February Weather14°C (58°F)114 mm (4.5 inches)82%very high
March Weather17°C (62°F)85 mm (3.3 inches)80%very high
April Weather19°C (67°F)113 mm (4.4 inches)76%very high
May Weather24°C (75°F)89 mm (3.5 inches)73%extreme
June Weather26°C (80°F)103 mm (4.0 inches)74%extreme
July Weather28°C (82°F)119 mm (4.7 inches)80%extreme
August Weather28°C (82°F)123 mm (4.8 inches)79%extreme
September Weather26°C (79°F)115 mm (4.5 inches)83%very high
October Weather22°C (72°F)98 mm (3.9 inches)77%very high
November Weather15°C (59°F)49 mm (1.9 inches)84%high
December Weather12°C (54°F)125 mm (4.9 inches)88%moderate

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