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August Weather in Plainfield, United States

Last updated: June 24, 2025

In August, the average temperature in Plainfield, United States hovers around 23°C (73°F). You'll experience a comfortable range, with minimums dipping to 9°C (49°F) and maximums peaking at 34°C (93°F). Expect about 91 mm (3.6 in) of precipitation over 11 days, contributing to an average humidity level of 81%, which adds to the region's lush and vibrant atmosphere.

August Temperature in Plainfield

In August in Plainfield, the average temperature is 23°C (73°F), with maximums reaching 34°C (93°F) and minimums dipping as low as 9°C (49°F). This moderate climate makes Plainfield an ideal destination for travelers seeking pleasant weather.

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

The chart illustrates August temperature patterns in Plainfield, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Plainfield, August typically has an average temperature of 23°C (73°F), with highs reaching up to 34°C (93°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec252739486172757367543933
Data source: Temperature data for Plainfield 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 Plainfield

In Plainfield in August, the precipitation amount is 91 mm (3.6 in) over a period of 11 days.

August Precipitation Trends in Plainfield

The chart displays monthly precipitation patterns in Plainfield, 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 Plainfield, August typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec63638711715715211991951295753
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Plainfield

In Plainfield in August, humidity is 81%. With an average temperature of 23°C (73°F), this humidity feels like a heavy blanket wrapping around you, making every step feel more laborious while traveling and causing you to constantly seek out shade or a cool breeze for relief.

August Average Humidity in Plainfield

This chart illustrates the average monthly humidity levels in Plainfield, 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 Plainfield is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Plainfield

In Plainfield 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 Plainfield.

Maximum UV Index Levels in Plainfield for August

The chart shows the monthly maximum UV Index (UVI) for Plainfield 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 Plainfield typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
Data source: Plainfield 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 Plainfield Compares to Other Months

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

This table compares monthly weather conditions in Plainfield, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)62 mm (2.5 inches)82%moderate
February Weather-3°C (28°F)63 mm (2.5 inches)83%moderate
March Weather4°C (40°F)87 mm (3.4 inches)84%high
April Weather9°C (49°F)117 mm (4.6 inches)85%very high
May Weather16°C (61°F)157 mm (6.2 inches)79%very high
June Weather22°C (72°F)152 mm (6.0 inches)82%very high
July Weather24°C (76°F)119 mm (4.7 inches)80%very high
August Weather23°C (73°F)91 mm (3.6 inches)81%very high
September Weather20°C (68°F)95 mm (3.8 inches)80%very high
October Weather12°C (54°F)129 mm (5.1 inches)82%high
November Weather4°C (39°F)57 mm (2.3 inches)88%moderate
December Weather0°C (33°F)53 mm (2.1 inches)84%low

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