August weather forecast
South Carolina, USA

August in South Carolina continues the summer saga, characterized by warm temperatures, though there's a subtle hint of the forthcoming change as the month progresses. Coastal areas, encompassing cities like Beaufort, see temperatures ranging from 70°F (21.1°C) to 88°F (31.1°C). Daytime remains hot, but as the month nears its conclusion, nights begin to offer a slightly cooler respite.

The Midlands, with cities like Columbia at its heart, still grapple with the vestiges of peak summer heat. Afternoons can be particularly warm, urging locals and visitors to seek shade or indoor comforts. The Upstate, closer to the Blue Ridge Mountains, experiences a gradual decline in temperatures as the month wears on, especially during the evenings, making it a tad more bearable than the state's central regions.

Humidity remains a staple of August weather, often leading to muggy conditions. This humidity, combined with the heat, frequently results in afternoon thunderstorms. These rain events, although robust, are generally fleeting, giving way to clearer skies as the evening approaches.

Comparatively, while June and July are undeniably hotter, August marks the transition phase. The month starts with the full force of summer but slowly hints at the cooler, more temperate conditions of September. As August winds down, there's an anticipatory air in South Carolina, looking forward to the resplendent colors and milder temperatures of the impending autumn.

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• Columbia - August »
  In Columbia during August, the rain falls for 15.3 days and regularly aggregates up to 2.48" (63mm) of precipitation. Columbia registers an average high-temperature of a still tropical 90.1°F (32.3°C) with the arrival of August, showing minor deviation from the preceding month.
• Charleston - August »
  The month with the most rainfall in Charleston is August, when the rain falls for 24.8 days and typically aggregates up to 7.13" (181mm) of precipitation. The month with the warmest seawater in Charleston, South Carolina, is August, with an average ocean temperature of 83.5°F (28.6°C).
• North Charleston - August »
  August arrives with slight relief from the peak summer heat, yet the weather in North Charleston, South Carolina, maintains its warm trend. In August, in North Charleston the rain falls for 22.7 days.
• Mount Pleasant - August »
  The month with the most rainfall in Mount Pleasant is August, when the rain falls for 25.8 days and typically aggregates up to 8.03" (204mm) of precipitation. The months with the highest UV index in Mount Pleasant are May through August, with an average maximum UV index of 7.
• Rock Hill - August »
  In Rock Hill during August, the rain falls for 16.8 days and regularly aggregates up to 3.43" (87mm) of precipitation. On the first day of August in Rock Hill, sunrise is at 6:34 am and sunset at 8:26 pm.
• Greenville - August »
  On the first day of August in Greenville sunrise is at 6:39 am and sunset at 8:31 pm. Greenville, South Carolina, marks the start of August with an average high-temperature of a still hot 88.5°F (31.4°C), hinting at a slight fluctuation from July's 90.1°F (32.3°C).
• Summerville - August »
  The average high-temperature and low-temperature in Summerville, South Carolina, during August are 90.1°F (32.3°C) and 73.8°F (23.2°C) respectively. In Summerville, in August, during 18.3 rainfall days, 2.09" (53mm) of precipitation is typically accumulated.
• Goose Creek - August »
  The month with the most rainfall in Goose Creek is August, when the rain falls for 23.4 days and typically aggregates up to 6.22" (158mm) of precipitation. The month with the most rainfall in Goose Creek is August, when the rain falls for 23.4 days and typically aggregates up to 6.22" (158mm) of precipitation.
• Sumter - August »
  In Sumter, during August, the rain falls for 18.7 days and regularly aggregates up to 3.5" (89mm) of precipitation. In Sumter, during August, the rain falls for 18.7 days and regularly aggregates up to 3.5" (89mm) of precipitation.
• Hilton Head Island - August »
  Hilton Head Island's weather in August is marked by a confluence of intense heat and substantial rainfall, making it the wettest month of the year. In Hilton Head Island, South Carolina, in August, during 25 rainfall days, 6.06" (154mm) of precipitation is typically accumulated.
• Florence - August »
  Focusing on Florence's weather in August, the heat wave that initiated in July continues with barely any respite. In Florence, during August, the rain falls for 19.3 days and regularly aggregates up to 3.82" (97mm) of precipitation.
• Spartanburg - August »
  In Spartanburg, South Carolina, during August, the rain falls for 15.8 days and regularly aggregates up to 2.76" (70mm) of precipitation. In Spartanburg, South Carolina, in August, it is raining for 15.8 days, with typically 2.76" (70mm) of accumulated precipitation.