August Weather in Appalachia, United States

Last updated: June 24, 2025

In August, the average temperature in Appalachia, United States hovers around 22°C (72°F). Expect a comfortable range with minimums dropping to 12°C (53°F) and maximums peaking at 31°C (89°F). Prepare for some moisture, as you'll likely encounter 147 mm (5.8 in) of precipitation over about 15 days. The average humidity sits at a notable 66%, contributing to the region's muggy atmosphere.

August Temperature in Appalachia

In August in Appalachia, the average temperature is 22°C (72°F). Maximum temperatures can reach 31°C (89°F), while minimums can drop to as low as 12°C (53°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

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

The chart illustrates August temperature patterns in Appalachia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Appalachia, August typically has an average temperature of 22°C (72°F), with highs reaching up to 31°C (89°F) and lows dropping to around 12°C (53°F).

Data source: Temperature data for Appalachia generated using information from the Copernicus Climate Change Service.

August Precipitation in Appalachia

In Appalachia in August, the precipitation amount is 147 mm (5.8 in) over a span of 15 days.

August Precipitation Trends in Appalachia

The chart displays monthly precipitation patterns in Appalachia, 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 Appalachia, August typically receives around 147 mm (5.8 inches) of precipitation spread over approximately 15 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

August Humidity in Appalachia

In Appalachia in August, humidity is 66%. With an average temperature of 22°C (72°F), this humidity feels like walking through a warm, enveloping blanket, making it essential to stay hydrated while exploring the sights and taking regular breaks in shaded areas.

August Average Humidity in Appalachia

This chart illustrates the average monthly humidity levels in Appalachia, 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 Appalachia is approximately 66%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Appalachia

In Appalachia in August, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Appalachia.

Maximum UV Index Levels in Appalachia for August

The chart shows the monthly maximum UV Index (UVI) for Appalachia 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 Appalachia typically reaches 10, which falls under the very high exposure category.

Data source: Appalachia 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 Appalachia Compares to Other Months

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

This table compares monthly weather conditions in Appalachia, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (36°F)	95 mm (3.7 inches)	88%	moderate
February Weather	5°C (41°F)	180 mm (7.1 inches)	88%	high
March Weather	8°C (47°F)	135 mm (5.3 inches)	87%	very high
April Weather	12°C (54°F)	160 mm (6.3 inches)	84%	very high
May Weather	18°C (64°F)	146 mm (5.8 inches)	84%	extreme
June Weather	21°C (69°F)	147 mm (5.8 inches)	83%	extreme
July Weather	23°C (73°F)	130 mm (5.1 inches)	79%	extreme
August Weather	22°C (72°F)	147 mm (5.8 inches)	66%	very high
September Weather	20°C (68°F)	121 mm (4.8 inches)	67%	very high
October Weather	15°C (58°F)	139 mm (5.5 inches)	76%	high
November Weather	7°C (44°F)	78 mm (3.1 inches)	89%	moderate
December Weather	4°C (40°F)	127 mm (5.0 inches)	88%	moderate