Charleston, SC weather in April
Charleston is mild in April, with some rain: highs average 72°F and nights drop to about 60°F. There are about 7 days with rain. A great month for outdoor plans.
- Normal high
- 72°F
- Normal low
- 60°F
- Wet days
- 7
- 3.0 in total
- Muggy days
- 3
- dew point 65°F+
How April changes from start to finish
| April 1 | April 30 | |
|---|---|---|
| Normal high | 69°F | 76°F |
| Normal low | 56°F | 64°F |
| Chance of a wet day | 24% | 22% |
| Sunrise / sunset | 7:07 am / 7:39 pm | 6:33 am / 8:00 pm |
| Daylight | 12.5 h | 13.4 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical April day
- 6 am57°Fdew point 53°F
- 9 am67°Fdew point 54°F
- Noon74°Fdew point 52°F
- 3 pm75°Fdew point 52°F
- 6 pm70°Fdew point 53°F
- 9 pm63°Fdew point 55°F
NOAA hourly normals (local standard time) from Charleston Intl Airport (11 mi away); average wind 9 mph; clear or few clouds in 45% of daytime hours, mostly cloudy or overcast in 36%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F16 of 30
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph2 of 30
- Hot dayshigh 90°F or more0 of 30
- Muggy daysdaily mean dew point 65°F or more3 of 30
- Wet daysat least 0.01 in of rain or melted snow7 of 30
- Notable rainat least 0.10 in5 of 30
- Freezing nightslow 32°F or below0 of 30
Average days per April, counted from daily records for each year 1991-2020.
Rain in April
Normal precipitation is 3.0 in; a dry April brings about 1.5 in and a wet one about 3.8 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.
How April varies from year to year
- Warmest April, 1991-20202006: average high 75°F
- Coolest April1993: average high 68°F
- Wettest April2020: 7.2 in
- Driest April2001: 0.6 in
- Highest reading92°F (April 29, 2002)
- Lowest reading38°F (April 8, 2007)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
April compared with March and May
| March | April | May | |
|---|---|---|---|
| Normal high | 66°F | 72°F | 79°F |
| Normal low | 52°F | 60°F | 68°F |
| Wet days | 8 | 7 | 7 |
| Comfortable days | 15 | 16 | 8 |
| Daylight | 12.0 h | 13.0 h | 13.8 h |
Highs change by +6°F from March and +7°F into May.
Nearby alternatives in April
- Warmer: Savannah, GA83 mi · high 78°F · 7 wet days
How Charleston ranks in April
- Normal high152nd warmest of 378 cities; 3rd of 5 in South Carolina
- Wet days136th driest of 378
- Comfortable days50th most of 340
Heating and cooling
April has 62 heating degree days and 92 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.
Questions
How hot is Charleston in April?
The normal high is 72°F and the normal low is 60°F. From 1991 to 2020 the hottest April reading was 92°F (April 29, 2002).
Does it rain a lot in Charleston in April?
About 7 days in April have at least 0.01 in of precipitation, and the normal total is 3.0 in. The wettest April in 1991-2020 was in 2020 (7.2 in); the driest was in 2001 (0.6 in).
Is April a good time to visit Charleston?
April ranks 1st of 12 months on our comfort score for Charleston (73 out of 100). It has about 16 comfortable days. The best month is April.
Where the numbers come from
- Temperature, rain and frost dates: Charleston City (USW00013782), 0.2 mi NNW of the city center, 10 ft . NOAA normals and daily records, 1991-2020.
- Snowfall, snow depth, humidity and wind by hour and cloud cover: Charleston Intl Airport (USW00013880), 11 mi NW of the city center, 40 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Charleston AFB/International Airport (722080-13880), 11 mi NW of the city center, 39 ft . Hourly observations, 1991-2020.