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March Weather in Cape Girardeau, United States

Last updated: June 24, 2025

In Cape Girardeau, United States, the average temperature in March hovers around 10°C (50°F). However, temperatures can fluctuate significantly, with a minimum of -12°C (10°F) and a maximum of 26°C (79°F). Rainfall is common, bringing about 164 mm (6.5 in) over approximately 14 days. Don’t forget your umbrella! With an average humidity of 84%, you might want to dress comfortably for the damp conditions.

March Temperature in Cape Girardeau

In March in Cape Girardeau, the average temperature is 10°C (50°F). Maximums can reach 26°C (79°F), while minimums can drop as low as -12°C (10°F). Travelers should be prepared for a wide range of temperatures and dress accordingly for both warm days and chilly nights.

March Weather in Cape Girardeau: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Cape Girardeau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cape Girardeau, March typically has an average temperature of 10°C (50°F), with highs reaching up to 26°C (79°F) and lows dropping to around -12°C (10°F).
JanFebMarAprMayJunJulAugSepOctNovDec363950576977807773614642
Data source: Temperature data for Cape Girardeau 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 Cape Girardeau

In Cape Girardeau in March, the precipitation amount is 164 mm (6.5 in) spread over 14 days.

March Precipitation Trends in Cape Girardeau

The chart displays monthly precipitation patterns in Cape Girardeau, 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 Cape Girardeau, March typically receives around 164 mm (6.5 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec1071271641351581029693731299591
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Cape Girardeau

In Cape Girardeau in March, humidity is 84%. With an average temperature of 10°C (50°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities less comfortable and prompting travelers to seek refuge in cozy, warm cafes or indoor attractions.

March Average Humidity in Cape Girardeau

This chart illustrates the average monthly humidity levels in Cape Girardeau, 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 Cape Girardeau is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%84%80%82%83%80%76%75%75%85%88%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Cape Girardeau

In Cape Girardeau in March, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Cape Girardeau.

Maximum UV Index Levels in Cape Girardeau for March

The chart shows the monthly maximum UV Index (UVI) for Cape Girardeau 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 Cape Girardeau typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710111110109753
Data source: Cape Girardeau 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 Cape Girardeau Compares to Other Months

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

This table compares monthly weather conditions in Cape Girardeau, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (37°F)107 mm (4.2 inches)86%moderate
February Weather4°C (40°F)127 mm (5.0 inches)84%high
March Weather10°C (50°F)164 mm (6.5 inches)84%high
April Weather14°C (57°F)135 mm (5.3 inches)80%very high
May Weather20°C (69°F)158 mm (6.2 inches)82%extreme
June Weather25°C (77°F)102 mm (4.0 inches)83%extreme
July Weather27°C (81°F)96 mm (3.8 inches)79%very high
August Weather25°C (78°F)93 mm (3.6 inches)76%very high
September Weather23°C (74°F)72 mm (2.9 inches)75%very high
October Weather16°C (61°F)129 mm (5.1 inches)74%high
November Weather8°C (46°F)95 mm (3.7 inches)85%moderate
December Weather6°C (42°F)91 mm (3.6 inches)88%moderate

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