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April Weather in Cape Girardeau, United States

Last updated: June 24, 2025

In Cape Girardeau, United States, the average temperature in April hovers around 14°C (57°F). Visitors can expect a minimum temperature of -2°C (28°F) and a potential maximum of 30°C (86°F). With an average precipitation amount of 135 mm (5.3 in) spread over 11 days, and an average humidity level of 80%, it's wise to prepare for both sunny spells and occasional showers!

April Temperature in Cape Girardeau

In April in Cape Girardeau, the average temperature is 14°C (57°F). Maximum temperatures can reach up to 30°C (86°F), while minimum temperatures can dip as low as -2°C (28°F). Be prepared for a range of weather conditions to ensure a comfortable travel experience.

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

The chart illustrates April 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, April typically has an average temperature of 14°C (57°F), with highs reaching up to 30°C (86°F) and lows dropping to around -2°C (28°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.

April Precipitation in Cape Girardeau

In Cape Girardeau in April, the precipitation amount is 135 mm (5.3 in) over the course of 11 days.

April Precipitation Trends in Cape Girardeau

The chart displays monthly precipitation patterns in Cape Girardeau, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Cape Girardeau, April typically receives around 135 mm (5.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec1071271641351581029693731299591
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Cape Girardeau

In Cape Girardeau in April, humidity is 80%. With an average temperature of 14°C (57°F), this humidity feels like a warm, damp blanket wrapping around you, making travel uncomfortable and sticky, as sweat clings to your skin and the air feels heavy with moisture.

April Average Humidity in Cape Girardeau

This chart illustrates the average monthly humidity levels in Cape Girardeau, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Cape Girardeau is approximately 80%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Cape Girardeau

In Cape Girardeau in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Cape Girardeau.

Maximum UV Index Levels in Cape Girardeau for April

The chart shows the monthly maximum UV Index (UVI) for Cape Girardeau in April, 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 April, the maximum UV index in Cape Girardeau typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710111110109753
Data source: Cape Girardeau April 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 April 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 April’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 April’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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