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April Weather in Superior, United States

Last updated: June 24, 2025

In April in Superior, United States, the average temperature hovers around 2°C (35°F), with a range that can dip as low as -13°C (9°F) and peak at 18°C (65°F). Expect 74 mm (2.9 in) of precipitation spread over approximately 10 days, accompanied by a high average humidity of 85%. This blend of cool temperatures and moisture creates a unique ambiance in this vibrant locale.

April Temperature in Superior

In April in Superior, the average temperature is 2°C (35°F). The maximum can reach 18°C (65°F), while the minimum can drop to as low as -13°C (9°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates April temperature patterns in Superior, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Superior, April typically has an average temperature of 2°C (35°F), with highs reaching up to 18°C (65°F) and lows dropping to around -13°C (9°F).
JanFebMarAprMayJunJulAugSepOctNovDec141427354758666762483323
Data source: Temperature data for Superior 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 Superior

In Superior in April, the precipitation amount is 74 mm (2.9 in) spread over a period of 10 days.

April Precipitation Trends in Superior

The chart displays monthly precipitation patterns in Superior, 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 Superior, April typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec253453749476961091191535267
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Superior

In Superior in April humidity is 85%. With an average temperature of 2°C (35°F), this humidity feels like a damp chill that permeates your clothing, making travel uncomfortable and requiring extra layers to stay warm and dry.

April Average Humidity in Superior

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

In Superior 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 Superior.

Maximum UV Index Levels in Superior for April

The chart shows the monthly maximum UV Index (UVI) for Superior 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 Superior typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234789987532
Data source: Superior 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 Superior Compares to Other Months

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

This table compares monthly weather conditions in Superior, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (15°F)25 mm (1.0 inches)93%low
February Weather-10°C (14°F)33 mm (1.3 inches)93%moderate
March Weather-3°C (28°F)53 mm (2.1 inches)89%moderate
April Weather2°C (35°F)74 mm (2.9 inches)85%high
May Weather8°C (47°F)94 mm (3.7 inches)76%very high
June Weather15°C (59°F)76 mm (3.0 inches)71%very high
July Weather19°C (66°F)95 mm (3.8 inches)70%very high
August Weather19°C (67°F)109 mm (4.3 inches)71%very high
September Weather16°C (62°F)119 mm (4.7 inches)73%high
October Weather9°C (48°F)153 mm (6.0 inches)81%moderate
November Weather1°C (34°F)52 mm (2.0 inches)87%moderate
December Weather-5°C (23°F)67 mm (2.6 inches)91%low

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