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April Weather in South Chicago, United States

Last updated: June 24, 2025

In South Chicago, United States, the average temperature for April hovers around 6°C (44°F). Expect chilly days with a minimum dropping to -4°C (25°F) and a maximum reaching up to 19°C (66°F). This month also brings about 132 mm (5.2 in) of precipitation, spread over 13 days, and a high average humidity of 85%. Prepare for a mix of cool weather and wet conditions!

April Temperature in South Chicago

In April in South Chicago, the average temperature is 6°C (44°F), with maximums reaching up to 19°C (66°F) and minimums dropping as low as -4°C (25°F). This varied climate makes it essential for travelers to pack accordingly to stay comfortable throughout their visit.

April Weather in South Chicago: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in South Chicago, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Chicago, April typically has an average temperature of 6°C (44°F), with highs reaching up to 19°C (66°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec282937435466727368564135
Data source: Temperature data for South Chicago 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 South Chicago

In South Chicago in April, the precipitation amount is 132 mm (5.2 in) over the course of 13 days.

April Precipitation Trends in South Chicago

The chart displays monthly precipitation patterns in South Chicago, 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 South Chicago, April typically receives around 132 mm (5.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec91891111321631337772761709086
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in South Chicago

In South Chicago in April, humidity is 85%. With an average temperature of 6°C (44°F), this humidity feels like a chilly dampness that seeps into your clothes, making travel uncomfortable and adding an extra layer of chill to the air.

April Average Humidity in South Chicago

This chart illustrates the average monthly humidity levels in South Chicago, 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 South Chicago is approximately 85%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in South Chicago

In South Chicago in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in South Chicago.

Maximum UV Index Levels in South Chicago for April

The chart shows the monthly maximum UV Index (UVI) for South Chicago 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 South Chicago typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
Data source: South Chicago 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 South Chicago Compares to Other Months

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

This table compares monthly weather conditions in South Chicago, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)91 mm (3.6 inches)82%moderate
February Weather-2°C (30°F)89 mm (3.5 inches)83%moderate
March Weather3°C (37°F)111 mm (4.4 inches)84%high
April Weather6°C (44°F)132 mm (5.2 inches)85%very high
May Weather12°C (54°F)163 mm (6.4 inches)79%very high
June Weather19°C (66°F)133 mm (5.2 inches)82%very high
July Weather22°C (73°F)77 mm (3.0 inches)80%very high
August Weather23°C (73°F)72 mm (2.9 inches)81%very high
September Weather20°C (68°F)76 mm (3.0 inches)80%very high
October Weather13°C (56°F)170 mm (6.7 inches)82%high
November Weather5°C (42°F)90 mm (3.6 inches)88%moderate
December Weather2°C (35°F)86 mm (3.4 inches)84%low

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