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August Weather in Appleton, United States

Last updated: June 24, 2025

In August, the average temperature in Appleton, United States hovers around 21°C (71°F). You can expect a comfortable range, with minimums dipping to 8°C (47°F) and maximums reaching up to 32°C (90°F). However, be prepared for some moisture, as precipitation averages 105 mm (4.1 in) over 11 days. With an average humidity of 73%, it's a month of balmy weather that might just inspire you to explore!

August Temperature in Appleton

In August in Appleton, the average temperature is 21°C (71°F). Maximums can reach 32°C (90°F) and minimums can be as low as 8°C (47°F). This makes it an ideal time for travelers to enjoy both warm days and cool evenings while exploring the area.

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

The chart illustrates August temperature patterns in Appleton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Appleton, August typically has an average temperature of 21°C (71°F), with highs reaching up to 32°C (90°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec202033435769737063503527
Data source: Temperature data for Appleton 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 Appleton

In Appleton in August, the precipitation amount is 105 mm (4.1 in) over the course of 11 days.

August Precipitation Trends in Appleton

The chart displays monthly precipitation patterns in Appleton, 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 Appleton, August typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec4149629410410110210574975052
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Appleton

In Appleton in August humidity is 73%. With an average temperature of 21°C (71°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities a bit uncomfortable, but with proper hydration and breaks in the shade, it’s still manageable for traveling.

August Average Humidity in Appleton

This chart illustrates the average monthly humidity levels in Appleton, 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 Appleton is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%87%84%77%75%75%73%78%84%89%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Appleton

In Appleton 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 Appleton.

Maximum UV Index Levels in Appleton for August

The chart shows the monthly maximum UV Index (UVI) for Appleton 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 Appleton typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3457910997532
Data source: Appleton 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 Appleton Compares to Other Months

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

This table compares monthly weather conditions in Appleton, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)41 mm (1.6 inches)89%moderate
February Weather-7°C (21°F)49 mm (1.9 inches)90%moderate
March Weather1°C (33°F)61 mm (2.4 inches)87%moderate
April Weather6°C (43°F)94 mm (3.7 inches)84%high
May Weather14°C (58°F)104 mm (4.1 inches)77%very high
June Weather20°C (69°F)101 mm (4.0 inches)75%very high
July Weather23°C (74°F)102 mm (4.0 inches)74%very high
August Weather21°C (71°F)105 mm (4.1 inches)73%very high
September Weather17°C (64°F)74 mm (2.9 inches)78%high
October Weather10°C (50°F)97 mm (3.8 inches)84%moderate
November Weather2°C (36°F)50 mm (1.9 inches)89%moderate
December Weather-3°C (27°F)52 mm (2.1 inches)87%low

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