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March Weather in South Beloit, United States

Last updated: June 24, 2025

In March, the average temperature in South Beloit, United States hovers around 3°C (38°F), with a notable range from a chilly -22°C (-8°F) to a warm 23°C (74°F). Expect 63 mm (2.5 in) of precipitation over approximately 10 days, accompanied by a high average humidity of 85%. Stay prepared for a variety of weather conditions!

March Temperature in South Beloit

In March in South Beloit, the average temperature is 3°C (38°F). Maximum temperatures can reach up to 23°C (74°F), while minimums can drop as low as -22°C (-8°F). This fluctuating climate makes South Beloit an intriguing destination for travelers looking for both milder and colder experiences.

March Weather in South Beloit: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in South Beloit, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Beloit, March typically has an average temperature of 3°C (38°F), with highs reaching up to 23°C (74°F) and lows dropping to around -22°C (-8°F).
JanFebMarAprMayJunJulAugSepOctNovDec222437476071757266523731
Data source: Temperature data for South Beloit 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 South Beloit

In South Beloit in March, the precipitation amount is 63 mm (2.5 in) over a span of 10 days.

March Precipitation Trends in South Beloit

The chart displays monthly precipitation patterns in South Beloit, 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 South Beloit, March typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec60546310314210773871081094752
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in South Beloit

In South Beloit in March, humidity is 85%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable as you contend with the heavy, cold air surrounding you.

March Average Humidity in South Beloit

This chart illustrates the average monthly humidity levels in South Beloit, 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 South Beloit is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in South Beloit

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

Maximum UV Index Levels in South Beloit for March

The chart shows the monthly maximum UV Index (UVI) for South Beloit 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 South Beloit typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098532
Data source: South Beloit 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 South Beloit Compares to Other Months

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

This table compares monthly weather conditions in South Beloit, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)60 mm (2.3 inches)85%moderate
February Weather-4°C (25°F)54 mm (2.1 inches)85%moderate
March Weather3°C (38°F)63 mm (2.5 inches)85%high
April Weather8°C (47°F)103 mm (4.1 inches)85%very high
May Weather16°C (60°F)142 mm (5.6 inches)78%very high
June Weather22°C (71°F)107 mm (4.2 inches)80%very high
July Weather24°C (75°F)73 mm (2.9 inches)78%very high
August Weather22°C (72°F)87 mm (3.4 inches)76%very high
September Weather19°C (66°F)108 mm (4.3 inches)79%very high
October Weather11°C (53°F)109 mm (4.3 inches)83%moderate
November Weather3°C (37°F)47 mm (1.8 inches)88%moderate
December Weather-1°C (31°F)52 mm (2.0 inches)81%low

Compare South Beloit's Climate with Cities Worldwide