April Weather in Superior, United States

Last updated: June 24, 2025

In April, the average temperature in Superior, United States hovers around 19°C (67°F), creating a pleasant atmosphere for visitors. Expect minimums of 4°C (40°F) and maximums of 35°C (95°F), showcasing a wide range of weather conditions. During this month, there's typically a precipitation of 4 mm (0.2 in) over the span of just 1 day, while the average humidity levels around 55% keep the air feeling fresh.

April Temperature in Superior

In April in Superior, the average temperature is 19°C (67°F), with maximums reaching up to 35°C (95°F) and minimums dipping as low as 4°C (40°F). Be sure to pack layers to accommodate the temperature variations while traveling!

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 19°C (67°F), with highs reaching up to 35°C (95°F) and lows dropping to around 4°C (40°F).

Data source: Temperature data for Superior generated using information from the Copernicus Climate Change Service.

April Precipitation in Superior

In Superior in April, the precipitation amount is 4 mm (0.2 in) during 1 day.

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 4 mm (0.2 inches) of precipitation spread over approximately 1 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

April Humidity in Superior

In Superior in April, humidity is 55%. With an average temperature of 19°C (67°F), this humidity feels like a refreshing embrace, perfect for leisurely strolls and outdoor adventures.

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 55%, offering insight into how humid the weather typically is during this month.

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 reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, 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 11, which falls under the extreme exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	59 mm (2.3 inches)	76%	moderate
February Weather	10°C (51°F)	66 mm (2.6 inches)	79%	high
March Weather	14°C (57°F)	41 mm (1.6 inches)	67%	very high
April Weather	19°C (67°F)	4 mm (0.2 inches)	55%	extreme
May Weather	23°C (74°F)	8 mm (0.3 inches)	40%	extreme
June Weather	29°C (85°F)	5 mm (0.2 inches)	33%	extreme
July Weather	30°C (86°F)	89 mm (3.5 inches)	34%	extreme
August Weather	29°C (85°F)	57 mm (2.2 inches)	48%	extreme
September Weather	27°C (80°F)	44 mm (1.7 inches)	64%	very high
October Weather	20°C (69°F)	29 mm (1.2 inches)	67%	very high
November Weather	15°C (60°F)	29 mm (1.1 inches)	77%	high
December Weather	10°C (50°F)	45 mm (1.8 inches)	82%	moderate