June weather forecast
South Carolina, USA

June signals the commencement of summer in South Carolina, with temperatures climbing steadily throughout the month. Coastal areas like Charleston experience a range from 68°F (20°C) to 88°F (31.1°C). The warmth is persistent, and the state sees extended daylight hours, maximizing outdoor activities.

The Midlands, encompassing places such as Columbia, often face some of the highest temperatures in the state during this month. Days are hot, and the evenings, while cooler, retain a lingering warmth. The Upstate, particularly areas adjacent to the Blue Ridge Mountains, while also warm, offer slightly more moderate temperatures compared to the sweltering conditions of the Midlands.

June is characterized by an increase in humidity, making the heat feel more oppressive. This uptick in moisture also brings about periodic thunderstorms, especially in the afternoons and early evenings. These storms, although sometimes intense, are typically short-lived.

Comparing June to its predecessor, May, there's a discernible rise in both temperature and humidity. The mildness of spring is left behind as the state fully embraces the characteristics of summer. While the earlier part of June retains some spring-like traits, by the month's end, South Carolina is firmly entrenched in the summer season, a trend that intensifies as July approaches.

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• Columbia - June »
  On the first day of June sunrise is at 6:13 am and sunset at 8:30 pm. The months with the highest UV index are June through August, with an average maximum UV index of 7.
• Charleston - June »
  June temperatures in Charleston vary between a high-temperature of 85.8°F (29.9°C) and a low-temperature of 74.7°F (23.7°C). The month with the longest days in Charleston is June, with an average of 14h and 18min of daylight.
• North Charleston - June »
  On the last day of June, in North Charleston sunrise is at 6:15 am and sunset at 8:32 pm EDT. Entering June, North Charleston notices a subtle temperature elevation, with the average high-temperature advancing from May's warm 80.8°F (27.1°C) to a hot 87.1°F (30.6°C).
• Mount Pleasant - June »
  In Mount Pleasant, during June, the rain falls for 20.8 days and regularly aggregates up to 4.61" (117mm) of precipitation. In Mount Pleasant, South Carolina, the average sunshine duration in June is 10.9h.
• Rock Hill - June »
  In Rock Hill, South Carolina, during June, the rain falls for 14.9 days and regularly aggregates up to 2.52" (64mm) of precipitation. On the last day of June, in Rock Hill sunrise is at 6:13 am and sunset at 8:41 pm EDT.
• Greenville - June »
  In Greenville in June, it is raining for 15.4 days, with typically 2.6" (66mm) of accumulated precipitation. June has the longest days of the year in Greenville with an average of 14h and 30min of daylight.
• Summerville - June »
  June has the longest days of the year in Summerville with an average of 14h and 18min of daylight. In Summerville the average sunshine in June is 10.6h.
• Goose Creek - June »
  In Goose Creek, during June, the rain falls for 20.1 days and regularly aggregates up to 3.94" (100mm) of precipitation. In Goose Creek, during June, the rain falls for 20.1 days and regularly aggregates up to 3.94" (100mm) of precipitation.
• Sumter - June »
  In Sumter during June, the rain falls for 17.1 days and regularly aggregates up to 3.11" (79mm) of precipitation. June and July, with an average maximum UV index of 7, are months with the highest UV index in Sumter, South Carolina.
• Hilton Head Island - June »
  In Hilton Head Island during June, the rain falls for 21.2 days and regularly aggregates up to 3.94" (100mm) of precipitation. In Hilton Head Island the average seawater temperature in June is 79.2°F (26.2°C).
• Florence - June »
  In Florence during June, the rain falls for 18 days and regularly aggregates up to 3.07" (78mm) of precipitation. On the first day of June in Florence sunrise is at 6:08 am and sunset at 8:25 pm.
• Spartanburg - June »
  Surprisingly, June still holds high humidity levels, making this month a typical summer month in Spartanburg, South Carolina. In Spartanburg, South Carolina, the average relative humidity in June is 69%.