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March Weather in Arlington Heights, United States

Last updated: June 24, 2025

In Arlington Heights, United States, the average temperature in March hovers around 3°C (39°F). However, be prepared for a wide range of conditions, with minimums plunging to -19°C (-2°F) and maximums soaring up to 25°C (76°F). During this month, expect approximately 97 mm (3.8 in) of precipitation over 11 days, coupled with an average humidity level of 85%. Stay warm and dry!

March Temperature in Arlington Heights

In March in Arlington Heights, the average temperature is 3°C (39°F). Maximums can reach 25°C (76°F) and minimums can be as low as -19°C (-2°F). It's essential to pack layered clothing to accommodate the wide temperature range when visiting during this month.

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

The chart illustrates March temperature patterns in Arlington Heights, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arlington Heights, March typically has an average temperature of 3°C (39°F), with highs reaching up to 25°C (76°F) and lows dropping to around -19°C (-2°F).
JanFebMarAprMayJunJulAugSepOctNovDec303338496068747266564134
Data source: Temperature data for Arlington Heights 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 Heights

In Arlington Heights in March, the total precipitation amount is 97 mm (3.8 in) over the course of 11 days.

March Precipitation Trends in Arlington Heights

The chart displays monthly precipitation patterns in Arlington Heights, 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 Heights, March typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec761099712014410613914612014395112
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Arlington Heights

In Arlington Heights in March, humidity is 85%. With an average temperature of 3°C (39°F), this humidity feels like a damp chill that clings to your clothes, making it challenging for travelers to stay comfortable while exploring the area.

March Average Humidity in Arlington Heights

This chart illustrates the average monthly humidity levels in Arlington Heights, 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 Heights is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%85%83%75%74%65%62%66%79%87%85%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Arlington Heights

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

Maximum UV Index Levels in Arlington Heights for March

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

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

This table compares monthly weather conditions in Arlington Heights, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)76 mm (3.0 inches)87%moderate
February Weather0°C (33°F)109 mm (4.3 inches)85%moderate
March Weather3°C (39°F)97 mm (3.8 inches)85%high
April Weather10°C (49°F)120 mm (4.7 inches)83%very high
May Weather15°C (60°F)144 mm (5.7 inches)75%very high
June Weather20°C (69°F)106 mm (4.2 inches)73%very high
July Weather24°C (75°F)139 mm (5.5 inches)65%very high
August Weather22°C (72°F)146 mm (5.7 inches)62%very high
September Weather19°C (66°F)120 mm (4.7 inches)66%very high
October Weather13°C (56°F)143 mm (5.6 inches)79%high
November Weather5°C (42°F)95 mm (3.7 inches)87%moderate
December Weather1°C (34°F)112 mm (4.4 inches)85%low

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