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April Weather in Wauwatosa, United States

Last updated: June 24, 2025

In April, the average temperature in Wauwatosa, 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 Wauwatosa offers a unique blend of weather experiences!

April Temperature in Wauwatosa

In April in Wauwatosa, 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 Wauwatosa: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Wauwatosa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wauwatosa, 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).
JanFebMarAprMayJunJulAugSepOctNovDec252635435465727165533832
Data source: Temperature data for Wauwatosa 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 Wauwatosa

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

April Precipitation Trends in Wauwatosa

The chart displays monthly precipitation patterns in Wauwatosa, 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 Wauwatosa, April typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec636068110138968275961215453
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Wauwatosa

In Wauwatosa 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 Wauwatosa

This chart illustrates the average monthly humidity levels in Wauwatosa, 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 Wauwatosa 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 Wauwatosa

In Wauwatosa 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 Wauwatosa.

Maximum UV Index Levels in Wauwatosa for April

The chart shows the monthly maximum UV Index (UVI) for Wauwatosa 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 Wauwatosa typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24589101097532
Data source: Wauwatosa 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 Wauwatosa Compares to Other Months

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

This table compares monthly weather conditions in Wauwatosa, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
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 Weather2°C (36°F)68 mm (2.7 inches)85%moderate
April Weather6°C (44°F)109 mm (4.3 inches)85%very high
May Weather12°C (54°F)138 mm (5.4 inches)78%very high
June Weather18°C (66°F)96 mm (3.8 inches)80%very high
July Weather22°C (72°F)82 mm (3.2 inches)78%very high
August Weather22°C (72°F)75 mm (2.9 inches)76%very high
September Weather19°C (66°F)96 mm (3.8 inches)79%high
October Weather12°C (53°F)121 mm (4.8 inches)83%moderate
November Weather3°C (39°F)54 mm (2.1 inches)88%moderate
December Weather0°C (32°F)53 mm (2.1 inches)81%low

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