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April Weather in Hermantown, United States

Last updated: June 24, 2025

In April, the average temperature in Hermantown, United States hovers around 3°C (38°F). Expect a chilly minimum of -14°C (6°F) and a mild maximum reaching 21°C (70°F). Prepare for about 70 mm (2.7 in) of precipitation spread across 10 days, with an average humidity level of 85%.

April Temperature in Hermantown

In April in Hermantown, the average temperature is 3°C (38°F). Maximum temperatures can reach 21°C (70°F), while the minimum can drop as low as -14°C (6°F). Be prepared for a wide range of weather conditions when traveling to Hermantown during this month.

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

The chart illustrates April temperature patterns in Hermantown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hermantown, April typically has an average temperature of 3°C (38°F), with highs reaching up to 21°C (70°F) and lows dropping to around -14°C (6°F).
JanFebMarAprMayJunJulAugSepOctNovDec131328375162686660463120
Data source: Temperature data for Hermantown 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 Hermantown

In Hermantown in April, the precipitation amount is 70 mm (2.7 in) spread over a span of 10 days.

April Precipitation Trends in Hermantown

The chart displays monthly precipitation patterns in Hermantown, 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 Hermantown, April typically receives around 70 mm (2.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec2331467087831111081071284662
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Hermantown

In Hermantown in April, humidity is 85%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable as you contend with the heavy, cold air surrounding you.

April Average Humidity in Hermantown

This chart illustrates the average monthly humidity levels in Hermantown, 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 Hermantown is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%93%89%85%76%71%70%71%73%82%88%91%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Hermantown

In Hermantown in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Hermantown.

Maximum UV Index Levels in Hermantown for April

The chart shows the monthly maximum UV Index (UVI) for Hermantown 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 Hermantown typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245789987532
Data source: Hermantown 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 Hermantown Compares to Other Months

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

This table compares monthly weather conditions in Hermantown, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-11°C (13°F)23 mm (0.9 inches)93%low
February Weather-11°C (13°F)31 mm (1.2 inches)93%moderate
March Weather-2°C (28°F)46 mm (1.8 inches)89%moderate
April Weather3°C (38°F)70 mm (2.7 inches)85%high
May Weather10°C (51°F)87 mm (3.4 inches)76%very high
June Weather17°C (62°F)83 mm (3.3 inches)71%very high
July Weather20°C (68°F)111 mm (4.4 inches)70%very high
August Weather19°C (67°F)108 mm (4.3 inches)71%very high
September Weather16°C (60°F)107 mm (4.2 inches)73%high
October Weather8°C (46°F)128 mm (5.0 inches)81%moderate
November Weather-1°C (31°F)46 mm (1.8 inches)87%moderate
December Weather-6°C (21°F)62 mm (2.4 inches)91%low

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