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April Weather in Delavan, United States

Last updated: June 24, 2025

In Delavan, United States, the average temperature in April hovers around 8°C (47°F), offering a cool can feel to the air. Expect a broad range, with temperatures dipping as low as -8°C (17°F) and soaring up to 27°C (81°F). During this period, precipitation amounts to 105 mm (4.1 in) over approximately 13 days, contributing to an overall average humidity of 85%. Make sure to pack accordingly!

April Temperature in Delavan

In April in Delavan, the average temperature is 8°C (47°F). Maximums can reach 27°C (81°F), while minimums can drop to as low as -8°C (17°F). Be prepared for a wide range of temperatures when planning your travels.

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

The chart illustrates April temperature patterns in Delavan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Delavan, April typically has an average temperature of 8°C (47°F), with highs reaching up to 27°C (81°F) and lows dropping to around -8°C (17°F).
JanFebMarAprMayJunJulAugSepOctNovDec222437465970757266523730
Data source: Temperature data for Delavan 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 Delavan

In Delavan in April, the precipitation amount is 105 mm (4.1 in) over the course of 13 days.

April Precipitation Trends in Delavan

The chart displays monthly precipitation patterns in Delavan, 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 Delavan, April typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec58546010513611082891051144650
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Delavan

In Delavan in April humidity is 85%. With an average temperature of 8°C (47°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities feel less refreshing and more uncomfortable for traveling.

April Average Humidity in Delavan

This chart illustrates the average monthly humidity levels in Delavan, 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 Delavan 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Delavan

In Delavan 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 Delavan.

Maximum UV Index Levels in Delavan for April

The chart shows the monthly maximum UV Index (UVI) for Delavan 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 Delavan typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098532
Data source: Delavan 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 Delavan Compares to Other Months

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

This table compares monthly weather conditions in Delavan, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (22°F)58 mm (2.3 inches)85%moderate
February Weather-5°C (24°F)54 mm (2.1 inches)85%moderate
March Weather3°C (37°F)60 mm (2.4 inches)85%high
April Weather8°C (47°F)105 mm (4.1 inches)85%very high
May Weather15°C (60°F)136 mm (5.4 inches)78%very high
June Weather21°C (71°F)110 mm (4.3 inches)80%very high
July Weather24°C (75°F)82 mm (3.2 inches)78%very high
August Weather22°C (72°F)89 mm (3.5 inches)76%very high
September Weather19°C (66°F)105 mm (4.1 inches)79%very high
October Weather11°C (52°F)113 mm (4.5 inches)83%moderate
November Weather3°C (37°F)46 mm (1.8 inches)88%moderate
December Weather-1°C (30°F)50 mm (2.0 inches)81%low

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