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April Weather in Edwardsville, United States

Last updated: June 24, 2025

In Edwardsville, United States, the average temperature in April hovers around 13°C (55°F). Expect a range that can dip as low as -4°C (24°F) and rise to a warm 30°C (87°F). With an average humidity of 80%, you'll experience a bit of moisture in the air, complemented by 144 mm (5.7 in) of precipitation spread over about 11 days. Prepare accordingly!

April Temperature in Edwardsville

In April in Edwardsville, the average temperature is 13°C (55°F), with maximums reaching up to 30°C (87°F) and minimums falling as low as -4°C (24°F). This diverse temperature range suggests that travelers should be prepared for varying weather conditions while exploring Edwardsville.

April Weather in Edwardsville: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Edwardsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Edwardsville, April typically has an average temperature of 13°C (55°F), with highs reaching up to 30°C (87°F) and lows dropping to around -4°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec323547556877807672594439
Data source: Temperature data for Edwardsville 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 Edwardsville

In Edwardsville in April, the precipitation amount is 144 mm (5.7 in) during 11 days, indicating a relatively wet period for the region.

April Precipitation Trends in Edwardsville

The chart displays monthly precipitation patterns in Edwardsville, 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 Edwardsville, April typically receives around 144 mm (5.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec788013614415410996130591037562
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Edwardsville

In Edwardsville in April humidity is 80%. With an average temperature of 13°C (55°F), this humidity feels like a damp blanket wrapping around you, making any outdoor activity feel stifling and heavy, which can lead to fatigue for travelers unaccustomed to such moist conditions.

April Average Humidity in Edwardsville

This chart illustrates the average monthly humidity levels in Edwardsville, 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 Edwardsville is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Edwardsville

In Edwardsville in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Edwardsville.

Maximum UV Index Levels in Edwardsville for April

The chart shows the monthly maximum UV Index (UVI) for Edwardsville 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 Edwardsville typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111099653
Data source: Edwardsville 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 Edwardsville Compares to Other Months

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

This table compares monthly weather conditions in Edwardsville, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)78 mm (3.1 inches)82%moderate
February Weather2°C (36°F)80 mm (3.2 inches)80%moderate
March Weather8°C (47°F)136 mm (5.4 inches)80%high
April Weather13°C (55°F)144 mm (5.7 inches)80%very high
May Weather20°C (68°F)154 mm (6.1 inches)82%very high
June Weather25°C (77°F)109 mm (4.3 inches)83%extreme
July Weather26°C (80°F)96 mm (3.8 inches)81%very high
August Weather25°C (76°F)130 mm (5.1 inches)80%very high
September Weather22°C (73°F)59 mm (2.3 inches)76%very high
October Weather15°C (59°F)103 mm (4.1 inches)76%high
November Weather7°C (44°F)75 mm (3.0 inches)85%moderate
December Weather4°C (39°F)62 mm (2.4 inches)86%moderate

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