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August Weather in Defiance, United States

Last updated: June 24, 2025

In August, the average temperature in Defiance, United States is a comfortable 23°C (74°F). Expect a diverse range of conditions, with minimum temperatures dipping to 8°C (47°F) and soaring to a maximum of 35°C (95°F). Be prepared for some drizzle, as the region experiences about 92 mm (3.6 in) of precipitation over 11 days, contributing to an average humidity level of 78%.

August Temperature in Defiance

In August in Defiance, the average temperature is 23°C (74°F). Maximum temperatures can reach 35°C (95°F), while the minimum can drop as low as 8°C (47°F). This diverse range of temperatures makes it essential for travelers to pack both light clothing for the warm days and warmer layers for cooler evenings.

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

The chart illustrates August temperature patterns in Defiance, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Defiance, August typically has an average temperature of 23°C (74°F), with highs reaching up to 35°C (95°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec283040506272767368564134
Data source: Temperature data for Defiance 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 Defiance

In Defiance in August, the precipitation amount is 92 mm (3.6 in) spread over 11 days.

August Precipitation Trends in Defiance

The chart displays monthly precipitation patterns in Defiance, 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 Defiance, August typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec727493941391211159266918457
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Defiance

In Defiance in August humidity is 78%. With an average temperature of 23°C (74°F), this humidity feels like a warm, enveloping embrace, making travel somewhat stifling and prompting frequent breaks to hydrate and seek shade.

August Average Humidity in Defiance

This chart illustrates the average monthly humidity levels in Defiance, 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 Defiance is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%88%81%82%81%78%78%82%89%86%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Defiance

In Defiance 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 Defiance.

Maximum UV Index Levels in Defiance for August

The chart shows the monthly maximum UV Index (UVI) for Defiance 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 Defiance typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35699101098642
Data source: Defiance 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 Defiance Compares to Other Months

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

This table compares monthly weather conditions in Defiance, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)72 mm (2.8 inches)88%moderate
February Weather-1°C (31°F)74 mm (2.9 inches)87%moderate
March Weather4°C (40°F)93 mm (3.7 inches)87%high
April Weather10°C (50°F)94 mm (3.7 inches)87%very high
May Weather17°C (62°F)139 mm (5.5 inches)81%very high
June Weather22°C (72°F)121 mm (4.7 inches)82%very high
July Weather24°C (76°F)115 mm (4.5 inches)81%very high
August Weather23°C (74°F)92 mm (3.6 inches)78%very high
September Weather20°C (68°F)66 mm (2.6 inches)78%very high
October Weather14°C (57°F)91 mm (3.6 inches)82%high
November Weather5°C (41°F)84 mm (3.3 inches)89%moderate
December Weather1°C (35°F)57 mm (2.2 inches)86%low

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