nomadseason

August Weather in Chapel Hill, United States

Last updated: June 24, 2025

In August, the average temperature in Chapel Hill, United States hovers around 25°C (78°F), offering a pleasant climate. Expect a minimum of 15°C (60°F) and a maximum that can soar to 35°C (96°F). With 121 mm (4.8 in) of precipitation spread over approximately 14 days, it's wise to pack an umbrella. The average humidity sits at a comfortable 67%, making the air feel just right for outdoor adventures.

August Temperature in Chapel Hill

In August in Chapel Hill, the average temperature is 25°C (78°F). Maximums can reach 35°C (96°F), and minimums can be as low as 15°C (60°F). This climate makes it an ideal time for traveling, offering pleasant days for exploration and comfortable evenings for relaxation.

August Weather in Chapel Hill: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Chapel Hill, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chapel Hill, August typically has an average temperature of 25°C (78°F), with highs reaching up to 35°C (96°F) and lows dropping to around 15°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec414653597076807874634946
Data source: Temperature data for Chapel Hill generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Chapel Hill

In Chapel Hill in August, the precipitation amount is 121 mm (4.8 in) over a span of 14 days.

August Precipitation Trends in Chapel Hill

The chart displays monthly precipitation patterns in Chapel Hill, 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 Chapel Hill, August typically receives around 121 mm (4.8 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec10818317615211513713312112112679151
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Chapel Hill

In Chapel Hill in August humidity is 67%. With an average temperature of 25°C (78°F), this humidity feels like traveling through a warm, heavy blanket that wraps around you, making outdoor activities feel a bit more strenuous, but also enveloping you in a tropical embrace that can be refreshing if you take breaks in the shade.

August Average Humidity in Chapel Hill

This chart illustrates the average monthly humidity levels in Chapel Hill, 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 Chapel Hill is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%85%82%83%82%78%67%64%75%87%89%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Chapel Hill

In Chapel Hill 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 Chapel Hill.

Maximum UV Index Levels in Chapel Hill for August

The chart shows the monthly maximum UV Index (UVI) for Chapel Hill 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 Chapel Hill typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Chapel Hill 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 Chapel Hill Compares to Other Months

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

This table compares monthly weather conditions in Chapel Hill, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)108 mm (4.3 inches)87%moderate
February Weather8°C (46°F)183 mm (7.2 inches)87%high
March Weather12°C (53°F)176 mm (6.9 inches)85%high
April Weather15°C (60°F)152 mm (6.0 inches)82%very high
May Weather21°C (70°F)115 mm (4.5 inches)83%very high
June Weather25°C (77°F)137 mm (5.4 inches)82%extreme
July Weather26°C (80°F)133 mm (5.2 inches)78%extreme
August Weather25°C (78°F)121 mm (4.8 inches)67%very high
September Weather23°C (74°F)121 mm (4.8 inches)64%very high
October Weather17°C (64°F)126 mm (5.0 inches)74%high
November Weather9°C (49°F)79 mm (3.1 inches)87%moderate
December Weather8°C (46°F)151 mm (6.0 inches)88%moderate

Compare Chapel Hill's Climate with Cities Worldwide