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April Weather in Horicon, United States

Last updated: June 24, 2025

In Horicon, United States, the average temperature in April hovers around 7°C (45°F), with a wide range that can dip to a chilly -12°C (11°F) or soar to a warm 27°C (80°F). During this month, expect about 104 mm (4.1 in) of precipitation over 12 days, contributing to a notably high average humidity of 85%.

April Temperature in Horicon

In April in Horicon, the average temperature is 7°C (45°F). The maximum can reach 27°C (80°F), and the minimum can be as low as -12°C (11°F). Pack for a wide range of temperatures to ensure a comfortable trip.

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

The chart illustrates April temperature patterns in Horicon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Horicon, April typically has an average temperature of 7°C (45°F), with highs reaching up to 27°C (80°F) and lows dropping to around -12°C (11°F).
JanFebMarAprMayJunJulAugSepOctNovDec202134455869737064513628
Data source: Temperature data for Horicon 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 Horicon

In Horicon in April, the total precipitation amount is 104 mm (4.1 in) spread over 12 days.

April Precipitation Trends in Horicon

The chart displays monthly precipitation patterns in Horicon, 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 Horicon, April typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec48505810412011010397931124546
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Horicon

In Horicon 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 Horicon

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

In Horicon 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 Horicon.

Maximum UV Index Levels in Horicon for April

The chart shows the monthly maximum UV Index (UVI) for Horicon 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 Horicon typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34589101097532
Data source: Horicon 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 Horicon Compares to Other Months

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

This table compares monthly weather conditions in Horicon, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)48 mm (1.9 inches)85%moderate
February Weather-6°C (22°F)50 mm (2.0 inches)85%moderate
March Weather1°C (35°F)58 mm (2.3 inches)85%moderate
April Weather7°C (45°F)104 mm (4.1 inches)85%very high
May Weather15°C (59°F)120 mm (4.7 inches)78%very high
June Weather21°C (69°F)110 mm (4.3 inches)80%very high
July Weather23°C (74°F)102 mm (4.0 inches)78%very high
August Weather21°C (71°F)97 mm (3.8 inches)76%very high
September Weather18°C (64°F)93 mm (3.6 inches)79%high
October Weather10°C (51°F)112 mm (4.4 inches)83%moderate
November Weather2°C (36°F)45 mm (1.8 inches)88%moderate
December Weather-2°C (29°F)46 mm (1.8 inches)81%low

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