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August Weather in Mount Pleasant, United States

Last updated: June 24, 2025

In August, the average temperature in Mount Pleasant, United States is a pleasant 24°C (76°F). However, temperatures can vary significantly, with a minimum of 13°C (56°F) and a maximum soaring to 36°C (96°F). Prepare for some wet days, as you can expect about 139 mm (5.5 in) of precipitation over 14 days, and with an average humidity level of 72%, it's a month that brings both warmth and moisture.

August Temperature in Mount Pleasant

In August in Mount Pleasant, the average temperature is 24°C (76°F), with maximums reaching up to 36°C (96°F) and minimums dipping as low as 13°C (56°F). This makes it an ideal time for travelers looking to enjoy warm days and cool evenings.

August Weather in Mount Pleasant: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Mount Pleasant, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mount Pleasant, August typically has an average temperature of 24°C (76°F), with highs reaching up to 36°C (96°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec343843546472787569594538
Data source: Temperature data for Mount Pleasant 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 Mount Pleasant

In Mount Pleasant, in August, the precipitation amount is 139 mm (5.5 in) over the course of 14 days.

August Precipitation Trends in Mount Pleasant

The chart displays monthly precipitation patterns in Mount Pleasant, 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 Mount Pleasant, August typically receives around 139 mm (5.5 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec60949396137104131140117998891
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Mount Pleasant

In Mount Pleasant in August humidity is 72%. With an average temperature of 24°C (76°F), this humidity feels like a warm, muggy embrace that can make outdoor activities a bit uncomfortable, so travelers should stay hydrated and plan for frequent breaks in the shade.

August Average Humidity in Mount Pleasant

This chart illustrates the average monthly humidity levels in Mount Pleasant, 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 Mount Pleasant is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%83%81%78%79%74%72%75%81%85%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Mount Pleasant

In Mount Pleasant 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 Mount Pleasant.

Maximum UV Index Levels in Mount Pleasant for August

The chart shows the monthly maximum UV Index (UVI) for Mount Pleasant 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 Mount Pleasant typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098743
Data source: Mount Pleasant 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 Mount Pleasant Compares to Other Months

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

This table compares monthly weather conditions in Mount Pleasant, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)60 mm (2.4 inches)84%moderate
February Weather3°C (38°F)94 mm (3.7 inches)83%moderate
March Weather6°C (44°F)93 mm (3.7 inches)83%high
April Weather12°C (54°F)96 mm (3.8 inches)81%very high
May Weather18°C (64°F)137 mm (5.4 inches)78%very high
June Weather22°C (73°F)104 mm (4.1 inches)79%very high
July Weather25°C (78°F)131 mm (5.2 inches)74%very high
August Weather24°C (76°F)139 mm (5.5 inches)72%very high
September Weather21°C (70°F)117 mm (4.6 inches)75%very high
October Weather15°C (60°F)99 mm (3.9 inches)81%high
November Weather7°C (45°F)88 mm (3.4 inches)85%moderate
December Weather3°C (38°F)91 mm (3.6 inches)84%moderate

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