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August Weather in Appleton, United States

Last updated: June 24, 2025

In August, the average temperature in Appleton, United States reaches a pleasant 21°C (70°F). However, be prepared for a range, as temperatures can dip to a minimum of 8°C (47°F) and soar up to 34°C (94°F). During this time, expect about 135 mm (5.3 in) of precipitation spread over 11 days, contributing to an average humidity of 83%.

August Temperature in Appleton

In August in Appleton, the average temperature is 21°C (70°F). Maximums can reach 34°C (94°F), while minimums can drop to as low as 8°C (47°F). This makes Appleton an ideal destination for travelers seeking mild weather with the possibility of warm days and cool evenings.

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 (70°F), with highs reaching up to 34°C (94°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec141431425871747063473323
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 135 mm (5.3 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 135 mm (5.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec20184766928410113582822536
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 83%. With an average temperature of 21°C (70°F), this humidity feels like you’re enveloped in a warm, tropical embrace, making it essential to stay hydrated and take breaks during your travels.

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 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%89%81%82%76%81%82%83%82%82%87%84%
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.
JanFebMarAprMayJunJulAugSepOctNovDec3557910997532
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-10°C (14°F)20 mm (0.8 inches)85%moderate
February Weather-10°C (15°F)18 mm (0.7 inches)89%moderate
March Weather0°C (31°F)47 mm (1.9 inches)81%moderate
April Weather5°C (42°F)66 mm (2.6 inches)82%high
May Weather15°C (58°F)92 mm (3.6 inches)76%very high
June Weather22°C (72°F)84 mm (3.3 inches)81%very high
July Weather23°C (74°F)101 mm (4.0 inches)82%very high
August Weather21°C (70°F)135 mm (5.3 inches)83%very high
September Weather17°C (64°F)82 mm (3.2 inches)82%high
October Weather8°C (48°F)82 mm (3.2 inches)82%moderate
November Weather1°C (33°F)25 mm (1.0 inches)87%moderate
December Weather-5°C (23°F)36 mm (1.4 inches)84%low

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