April Weather in Sauk City, United States

Last updated: June 24, 2025

In Sauk City, United States, the average temperature in April hovers around 8°C (46°F), with a range that can dip as low as -9°C (16°F) and peak at 27°C (80°F). Expect 89 mm (3.5 in) of precipitation spread across 12 days of the month, complemented by an average humidity level of 85%. Stay prepared for a mix of chilly and warm days!

April Temperature in Sauk City

In April in Sauk City, the average temperature is 8°C (46°F), with maximums reaching up to 27°C (80°F) and minimums dropping as low as -9°C (16°F). Travelers should be prepared for a wide range of temperatures during this time.

April Weather in Sauk City: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Sauk City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sauk City, April typically has an average temperature of 8°C (46°F), with highs reaching up to 27°C (80°F) and lows dropping to around -9°C (16°F).
JanFebMarAprMayJunJulAugSepOctNovDec212236465970747164513628
Data source: Temperature data for Sauk City 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 Sauk City

In Sauk City in April, the precipitation amount is 89 mm (3.5 in) during 12 days of rainfall.

April Precipitation Trends in Sauk City

The chart displays monthly precipitation patterns in Sauk City, 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 Sauk City, April typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec47545889130115881101161164444
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Sauk City

In Sauk City in April humidity is 85%. With an average temperature of 8°C (46°F), this humidity feels like a cold, damp embrace that can leave travelers feeling chilled and uncomfortable, making outdoor exploration less appealing and encouraging the search for cozy indoor activities instead.

April Average Humidity in Sauk City

This chart illustrates the average monthly humidity levels in Sauk City, 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 Sauk City 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 Sauk City

In Sauk City 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 Sauk City.

Maximum UV Index Levels in Sauk City for April

The chart shows the monthly maximum UV Index (UVI) for Sauk City 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 Sauk City typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34589101098532
Data source: Sauk City 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 Sauk City Compares to Other Months

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

This table compares monthly weather conditions in Sauk City, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)47 mm (1.9 inches)85%moderate
February Weather-6°C (22°F)54 mm (2.1 inches)85%moderate
March Weather2°C (36°F)58 mm (2.3 inches)85%moderate
April Weather8°C (46°F)89 mm (3.5 inches)85%very high
May Weather15°C (59°F)129 mm (5.1 inches)78%very high
June Weather21°C (70°F)115 mm (4.5 inches)80%very high
July Weather23°C (74°F)88 mm (3.4 inches)78%very high
August Weather22°C (71°F)110 mm (4.3 inches)76%very high
September Weather18°C (65°F)116 mm (4.6 inches)79%very high
October Weather10°C (51°F)116 mm (4.6 inches)83%moderate
November Weather2°C (36°F)44 mm (1.7 inches)88%moderate
December Weather-2°C (29°F)44 mm (1.7 inches)81%low

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