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April Weather in La Crosse, United States

Last updated: June 24, 2025

In April, the average temperature in La Crosse, United States hovers around 12°C (54°F). Expect chilly nights with a possible minimum of -9°C (16°F), while warm days can reach up to 32°C (90°F). With 44 mm (1.7 in) of precipitation spread over 7 days, and an average humidity of 70%, it's a month that can surprise! Be prepared for varied weather as you explore!

April Temperature in La Crosse

In April in La Crosse, the average temperature is 12°C (54°F). The maximum can reach 32°C (90°F), and the minimum can be as low as -9°C (16°F). This wide temperature range suggests that travelers should pack for both warm and cold conditions.

April Weather in La Crosse: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in La Crosse, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Crosse, April typically has an average temperature of 12°C (54°F), with highs reaching up to 32°C (90°F) and lows dropping to around -9°C (16°F).
JanFebMarAprMayJunJulAugSepOctNovDec313245536477817772554436
Data source: Temperature data for La Crosse 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 La Crosse

In La Crosse in April, the precipitation amount is 44 mm (1.7 in) spread over a duration of 7 days.

April Precipitation Trends in La Crosse

The chart displays monthly precipitation patterns in La Crosse, 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 La Crosse, April typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec2420694413856677258672529
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in La Crosse

In La Crosse in April humidity is 70%. With an average temperature of 12°C (54°F), this humidity feels like a chilly embrace, making it essential for travelers to wear layers while exploring the area, as the dampness can seep through clothing, leaving one feeling cooler than the actual temperature suggests.

April Average Humidity in La Crosse

This chart illustrates the average monthly humidity levels in La Crosse, 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 La Crosse is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%78%67%70%82%81%80%80%74%71%79%83%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in La Crosse

In La Crosse in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in La Crosse.

Maximum UV Index Levels in La Crosse for April

The chart shows the monthly maximum UV Index (UVI) for La Crosse 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 La Crosse typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4579101111109743
Data source: La Crosse 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 La Crosse Compares to Other Months

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

This table compares monthly weather conditions in La Crosse, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)24 mm (0.9 inches)74%moderate
February Weather0°C (33°F)20 mm (0.8 inches)78%moderate
March Weather7°C (46°F)69 mm (2.7 inches)67%high
April Weather12°C (54°F)44 mm (1.7 inches)70%very high
May Weather18°C (64°F)138 mm (5.4 inches)82%very high
June Weather25°C (77°F)56 mm (2.2 inches)81%extreme
July Weather27°C (81°F)67 mm (2.6 inches)80%extreme
August Weather25°C (78°F)72 mm (2.8 inches)80%very high
September Weather22°C (72°F)58 mm (2.3 inches)73%very high
October Weather13°C (56°F)67 mm (2.6 inches)71%high
November Weather7°C (44°F)25 mm (1.0 inches)79%moderate
December Weather2°C (36°F)29 mm (1.1 inches)83%moderate

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