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August Weather in Superior, United States

Last updated: June 24, 2025

In August, the average temperature in Superior, United States is a comfortable 19°C (66°F). However, you might experience a chilly minimum of 2°C (36°F), while the days can heat up to a sizzling 38°C (101°F). During this month, expect 29 mm (1.1 in) of precipitation over 6 days, with an average humidity of 64%, making it a uniquely varied climate.

August Temperature in Superior

In August in Superior, the average temperature is 19°C (66°F). Maximums can reach 38°C (101°F), and minimums can be as low as 2°C (36°F). It's advisable to pack versatile clothing to accommodate both warm and cool conditions while exploring the area.

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

The chart illustrates August 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, August typically has an average temperature of 19°C (66°F), with highs reaching up to 38°C (101°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec252332394958676655413327
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.

August Precipitation in Superior

In Superior in August, the precipitation amount is 29 mm (1.1 in) over the course of 6 days.

August Precipitation Trends in Superior

The chart displays monthly precipitation patterns in Superior, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Superior, August typically receives around 29 mm (1.1 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec7111775888465202941859592
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Superior

In Superior in August humidity is 64%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace, making travel both refreshing and slightly drizzly, ideal for leisurely exploration but a reminder to stay hydrated.

August Average Humidity in Superior

This chart illustrates the average monthly humidity levels in Superior, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Superior is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%89%87%84%78%78%77%64%62%79%87%90%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Superior

In Superior in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Superior.

Maximum UV Index Levels in Superior for August

The chart shows the monthly maximum UV Index (UVI) for Superior in August, 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 August, the maximum UV index in Superior typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246710101097532
Data source: Superior August 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 August 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 August’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 August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)71 mm (2.8 inches)89%low
February Weather-5°C (23°F)117 mm (4.6 inches)89%moderate
March Weather0°C (33°F)75 mm (2.9 inches)87%high
April Weather4°C (39°F)87 mm (3.4 inches)84%high
May Weather10°C (50°F)84 mm (3.3 inches)77%very high
June Weather14°C (58°F)65 mm (2.6 inches)78%very high
July Weather19°C (67°F)20 mm (0.8 inches)77%very high
August Weather19°C (66°F)29 mm (1.1 inches)64%very high
September Weather13°C (55°F)41 mm (1.6 inches)62%high
October Weather5°C (41°F)85 mm (3.4 inches)79%moderate
November Weather1°C (33°F)95 mm (3.7 inches)87%moderate
December Weather-3°C (27°F)92 mm (3.6 inches)90%low

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