April Weather in Milwaukee, United States

Last updated: June 24, 2025

In April, the average temperature in Milwaukee, United States hovers around 6°C (44°F), with a comfortable maximum of 22°C (72°F) and a chilly minimum plummeting to -7°C (19°F). Expect 109 mm (4.3 in) of precipitation spread over 13 days, contributing to an average humidity of 85%. 🌧️ Whether you enjoy the brisk air or prepare for the occasional rain, April in Milwaukee offers a unique blend of weather experiences!

April Temperature in Milwaukee

In April in Milwaukee, the average temperature is 6°C (44°F). Maximums can reach 22°C (72°F), and minimums can dip as low as -7°C (19°F). Be sure to pack layers to comfortably enjoy the varying temperatures during your travels.

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

The chart illustrates April temperature patterns in Milwaukee, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Milwaukee, April typically has an average temperature of 6°C (44°F), with highs reaching up to 22°C (72°F) and lows dropping to around -7°C (19°F).

Data source: Temperature data for Milwaukee generated using information from the Copernicus Climate Change Service.

April Precipitation in Milwaukee

In Milwaukee in April, the precipitation amount is 109 mm (4.3 in), which occurs during 13 days.

April Precipitation Trends in Milwaukee

The chart displays monthly precipitation patterns in Milwaukee, 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 Milwaukee, April typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 13 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Milwaukee

In Milwaukee 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 Milwaukee

This chart illustrates the average monthly humidity levels in Milwaukee, 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 Milwaukee is approximately 85%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Milwaukee

In Milwaukee 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 Milwaukee.

Maximum UV Index Levels in Milwaukee for April

The chart shows the monthly maximum UV Index (UVI) for Milwaukee 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 Milwaukee typically reaches 8, which falls under the very high exposure category.

Data source: Milwaukee 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 Milwaukee Compares to Other Months

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

This table compares monthly weather conditions in Milwaukee, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	63 mm (2.5 inches)	85%	low
February Weather	-4°C (26°F)	60 mm (2.4 inches)	85%	moderate
March Weather	2°C (36°F)	68 mm (2.7 inches)	85%	moderate
April Weather	6°C (44°F)	109 mm (4.3 inches)	85%	very high
May Weather	12°C (54°F)	138 mm (5.4 inches)	78%	very high
June Weather	18°C (66°F)	96 mm (3.8 inches)	80%	very high
July Weather	22°C (72°F)	82 mm (3.2 inches)	78%	very high
August Weather	22°C (72°F)	75 mm (2.9 inches)	76%	very high
September Weather	19°C (66°F)	96 mm (3.8 inches)	79%	high
October Weather	12°C (53°F)	121 mm (4.8 inches)	83%	moderate
November Weather	3°C (39°F)	54 mm (2.1 inches)	88%	moderate
December Weather	0°C (32°F)	53 mm (2.1 inches)	81%	low