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March Weather in Rantoul, United States

Last updated: June 24, 2025

In March, the average temperature in Rantoul, United States hovers around 6°C (42°F). During this time, temperatures can plummet to a chilly -18°C (0°F) or soar up to a warm 26°C (79°F). Be prepared for some rain, as precipitation totals about 116 mm (4.6 in) across 12 days, and expect a high average humidity of 84%.

March Temperature in Rantoul

In March in Rantoul, the average temperature is 6°C (42°F), with maximums sometimes reaching 26°C (79°F) and minimums plummeting as low as -18°C (0°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

March Weather in Rantoul: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Rantoul, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rantoul, March typically has an average temperature of 6°C (42°F), with highs reaching up to 26°C (79°F) and lows dropping to around -18°C (0°F).
JanFebMarAprMayJunJulAugSepOctNovDec283042526474777470574135
Data source: Temperature data for Rantoul 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 Rantoul

In Rantoul in March, the precipitation amount is 116 mm (4.6 in) over a span of 12 days.

March Precipitation Trends in Rantoul

The chart displays monthly precipitation patterns in Rantoul, 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 Rantoul, March typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec757411612514511080103801207253
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Rantoul

In Rantoul in March humidity is 84%. With an average temperature of 6°C (42°F), this humidity feels like an uncomfortable chill that seeps into your bones, making travel less enjoyable as you find yourself bundled up yet still damp, longing for warmth and comfort.

March Average Humidity in Rantoul

This chart illustrates the average monthly humidity levels in Rantoul, 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 Rantoul 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 Rantoul

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

Maximum UV Index Levels in Rantoul for March

The chart shows the monthly maximum UV Index (UVI) for Rantoul 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 Rantoul typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098642
Data source: Rantoul 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 Rantoul Compares to Other Months

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

This table compares monthly weather conditions in Rantoul, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)75 mm (2.9 inches)82%moderate
February Weather-1°C (31°F)74 mm (2.9 inches)83%moderate
March Weather6°C (42°F)116 mm (4.6 inches)84%high
April Weather11°C (52°F)124 mm (4.9 inches)85%very high
May Weather18°C (65°F)145 mm (5.7 inches)79%very high
June Weather23°C (74°F)110 mm (4.3 inches)82%extreme
July Weather25°C (77°F)80 mm (3.1 inches)80%very high
August Weather23°C (74°F)103 mm (4.0 inches)81%very high
September Weather21°C (70°F)80 mm (3.2 inches)80%very high
October Weather14°C (57°F)120 mm (4.7 inches)82%high
November Weather5°C (41°F)72 mm (2.8 inches)88%moderate
December Weather2°C (35°F)53 mm (2.1 inches)84%low

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