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April Weather in Mequon, United States

Last updated: June 24, 2025

In April, the average temperature in Mequon, United States hovers around 6°C (43°F). Temperatures can swing from a chilly -8°C (18°F) to a pleasant 22°C (71°F). Expect around 108 mm (4.3 in) of precipitation spread over 12 days, contributing to an average humidity level of 85%.

April Temperature in Mequon

In April in Mequon, the average temperature is 6°C (43°F), with maximums reaching 22°C (71°F) and minimums dropping to as low as -8°C (18°F). This varied climate makes Mequon an intriguing destination for travelers seeking both mild and chilly experiences.

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

The chart illustrates April temperature patterns in Mequon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mequon, April typically has an average temperature of 6°C (43°F), with highs reaching up to 22°C (71°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec242535435364727165523831
Data source: Temperature data for Mequon 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 Mequon

In Mequon in April, the precipitation amount is 108 mm (4.3 in) over the course of 12 days.

April Precipitation Trends in Mequon

The chart displays monthly precipitation patterns in Mequon, 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 Mequon, April typically receives around 108 mm (4.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec59576810813110188771001195252
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Mequon

In Mequon in April, humidity is 85%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making travel feel more uncomfortable and limiting your enjoyment of the sights as you navigate the wet, brisk air.

April Average Humidity in Mequon

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

In Mequon 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 Mequon.

Maximum UV Index Levels in Mequon for April

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

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

This table compares monthly weather conditions in Mequon, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)59 mm (2.3 inches)85%low
February Weather-4°C (25°F)57 mm (2.2 inches)85%moderate
March Weather2°C (35°F)68 mm (2.7 inches)85%moderate
April Weather6°C (43°F)108 mm (4.3 inches)85%very high
May Weather12°C (54°F)131 mm (5.2 inches)78%very high
June Weather18°C (65°F)101 mm (4.0 inches)80%very high
July Weather22°C (72°F)88 mm (3.5 inches)78%very high
August Weather22°C (71°F)77 mm (3.0 inches)76%very high
September Weather18°C (65°F)100 mm (3.9 inches)79%high
October Weather11°C (53°F)119 mm (4.7 inches)83%moderate
November Weather3°C (38°F)52 mm (2.1 inches)88%moderate
December Weather0°C (32°F)52 mm (2.1 inches)81%low

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