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March Weather in Mount Prospect, United States

Last updated: June 24, 2025

In Mount Prospect, United States, the average temperature in March hovers at a brisk 4°C (39°F). Expect a range that can dip as low as -20°C (-3°F) and soar to a warm 26°C (79°F). This month, you'll encounter about 79 mm (3.1 in) of precipitation spread over 10 days, contributing to an average humidity of 84%. Be prepared for a blend of chilly days and wet weather!

March Temperature in Mount Prospect

In March in Mount Prospect, the average temperature is 4°C (39°F). Maximum temperatures can reach 26°C (79°F), while minimum temperatures can drop as low as -20°C (-3°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.

March Weather in Mount Prospect: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Mount Prospect, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mount Prospect, March typically has an average temperature of 4°C (39°F), with highs reaching up to 26°C (79°F) and lows dropping to around -20°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec262839475971757367543933
Data source: Temperature data for Mount Prospect 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 Mount Prospect

In Mount Prospect in March, the precipitation amount is 79 mm (3.1 in) over a span of 10 days.

March Precipitation Trends in Mount Prospect

The chart displays monthly precipitation patterns in Mount Prospect, 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 Mount Prospect, March typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec61607911516413410592851275553
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Mount Prospect

In Mount Prospect in March, humidity is 84%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making outdoor excursions uncomfortable and demanding more layers than you anticipate while traveling.

March Average Humidity in Mount Prospect

This chart illustrates the average monthly humidity levels in Mount Prospect, 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 Mount Prospect is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Mount Prospect

In Mount Prospect 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 Mount Prospect, you can refer to this Hourly UV Index in Mount Prospect.

Maximum UV Index Levels in Mount Prospect for March

The chart shows the monthly maximum UV Index (UVI) for Mount Prospect 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 Mount Prospect typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098632
Data source: Mount Prospect 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 Mount Prospect Compares to Other Months

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

This table compares monthly weather conditions in Mount Prospect, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)61 mm (2.4 inches)82%moderate
February Weather-2°C (28°F)60 mm (2.4 inches)83%moderate
March Weather4°C (39°F)79 mm (3.1 inches)84%high
April Weather9°C (48°F)115 mm (4.5 inches)85%very high
May Weather15°C (60°F)164 mm (6.4 inches)79%very high
June Weather21°C (71°F)134 mm (5.3 inches)82%very high
July Weather24°C (75°F)105 mm (4.1 inches)80%very high
August Weather23°C (73°F)92 mm (3.6 inches)81%very high
September Weather20°C (68°F)85 mm (3.3 inches)80%very high
October Weather12°C (54°F)127 mm (5.0 inches)82%high
November Weather4°C (39°F)55 mm (2.2 inches)88%moderate
December Weather0°C (33°F)53 mm (2.1 inches)84%low

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