April Weather in Black River Falls, United States

Last updated: June 24, 2025

In Black River Falls, United States, the average temperature in April hovers around 7°C (45°F). However, temperatures can vary significantly, with a minimum of -13°C (10°F) and a maximum reaching 28°C (82°F). Expect 89 mm (3.5 in) of precipitation spread over 12 days, and make sure to prepare for the average humidity of 85%. Stay cozy and stay dry!

April Temperature in Black River Falls

In April in Black River Falls, the average temperature is 7°C (45°F). Maximums can reach 28°C (82°F), and minimums can be as low as -13°C (10°F). Whether you're looking to enjoy mild weather or brave the cold, be prepared for a wide range of temperatures during your visit.

April Weather in Black River Falls: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Black River Falls, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Black River Falls, April typically has an average temperature of 7°C (45°F), with highs reaching up to 28°C (82°F) and lows dropping to around -13°C (10°F).
JanFebMarAprMayJunJulAugSepOctNovDec192035445970737064493426
Data source: Temperature data for Black River Falls 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 Black River Falls

In Black River Falls in April, the precipitation amount is 89 mm (3.5 in) during 12 days of rainfall.

April Precipitation Trends in Black River Falls

The chart displays monthly precipitation patterns in Black River Falls, 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 Black River Falls, April typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec345257891331331091231041145247
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Black River Falls

In Black River Falls in April, humidity is 85%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities less enjoyable and requiring extra layers to stay comfortable while traveling.

April Average Humidity in Black River Falls

This chart illustrates the average monthly humidity levels in Black River Falls, 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 Black River Falls is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%89%86%85%79%80%80%78%80%84%89%85%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Black River Falls

In Black River Falls 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 Black River Falls.

Maximum UV Index Levels in Black River Falls for April

The chart shows the monthly maximum UV Index (UVI) for Black River Falls 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 Black River Falls typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24588101097532
Data source: Black River Falls 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 Black River Falls Compares to Other Months

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

This table compares monthly weather conditions in Black River Falls, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (19°F)34 mm (1.3 inches)88%low
February Weather-7°C (20°F)52 mm (2.0 inches)89%moderate
March Weather1°C (35°F)57 mm (2.3 inches)86%moderate
April Weather7°C (45°F)89 mm (3.5 inches)85%very high
May Weather15°C (59°F)133 mm (5.2 inches)79%very high
June Weather21°C (70°F)133 mm (5.2 inches)80%very high
July Weather23°C (73°F)109 mm (4.3 inches)80%very high
August Weather21°C (70°F)123 mm (4.8 inches)78%very high
September Weather18°C (64°F)104 mm (4.1 inches)80%high
October Weather10°C (49°F)114 mm (4.5 inches)84%moderate
November Weather1°C (35°F)52 mm (2.1 inches)89%moderate
December Weather-4°C (26°F)47 mm (1.9 inches)85%low

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