Charleston in April

6.9out of 10

Possible, with caveats

Mild: highs around 20°C. Frequent rain: about 13 rainy days.

20°CAvg high
9°CAvg low
13Rainy days (110 mm)
13:00 hDaylight
06:57Sunrise · 19:57 Sunset

Why this score

  • Mild: highs around 20°C
  • Frequent rain: about 13 rainy days

What to wear and pack

  • Layers you can add or remove
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rainfall in April is fairly consistent from year to year (2.5 days). 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 April?

Daytime highs average 20°C and nights about 9°C.

When is the best time to visit Charleston?

The best months are September, August, October.