Charleston in June

7.0out of 10

Possible, with caveats

Warm and comfortable: highs around 27°C. Frequent rain: about 14 rainy days.

27°CAvg high
18°CAvg low
14Rainy days (124 mm)
14:39 hDaylight
06:07Sunrise · 20:46 Sunset

Why this score

  • Warm and comfortable: highs around 27°C
  • Frequent rain: about 14 rainy days

What to wear and pack

  • T-shirts and light layers
  • Shorts or a light skirt
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rain in June varies a lot between years (±3.2 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

7° -2° J 9° -1° F 14° 3° M 20° 9° A 24° 13° M 27° 18° J 29° 20° J 28° 19° A 26° 15° S 20° 9° O 14° 4° N 8° 0° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 7°C-2°C102 mm 12– – 4.6
February 9°C-1°C97 mm 12– – 5.1
March 14°C3°C119 mm 14– – 5.7
April 20°C9°C110 mm 13– – 6.9
May 24°C13°C128 mm 15– – 6.9
June 27°C18°C124 mm 14– – 7.0
July 29°C20°C128 mm 14– – 6.9
August 28°C19°C99 mm 12– – 7.5
September 26°C15°C97 mm 10– – 7.7
October 20°C9°C86 mm 9– – 7.5
November 14°C4°C86 mm 10– – 6.4
December 8°C0°C105 mm 12– – 5.1

Frequently asked questions

How hot is Charleston in June?

Daytime highs average 27°C and nights about 18°C.

When is the best time to visit Charleston?

The best months are September, August, October.