Charleston weather in April: Charleston, South Carolina: normal highs, lows, rain and records for April
Charleston in April has a normal high of 77°F and a normal low of 55°F, a daily mean of 66°F, rising from 74°F on the 1st to 81°F by the 30th. Measurable precipitation falls on 8 days in a normal April, 3.29 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 25°C and low of 13°C, 84 mm of precipitation in April.
- NOAA stationCharleston International Airport
- Station IDUSW00013880
- Location32.90°N 80.04°W
- Elevation40 ft (12 m)
- From the center6 miles
- Population157,665
- Jan 60° 39°
- Feb 64° 42°
- Mar 70° 47°
- Apr 77° 55°
- May 84° 63°
- Jun 89° 70°
- Jul 91° 74°
- Aug 90° 73°
- Sep 85° 68°
- Oct 78° 58°
- Nov 69° 47°
- Dec 63° 42°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Charleston in April?
The normal high is 77°F and the normal low 55°F, for a daily mean of 65.8°F. April is 7.1°F warmer than March and 7.5°F cooler than May. April is the 7th warmest month of the year in Charleston and the 10th wettest. Across the month the normal high rises 7°F, from 74°F on April 1 to 81°F on April 30. From one year to the next April's mean temperature typically moves about 2.2°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 64°F and 68°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 27%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| April 1 | 74°F | 51°F | 27% | 17% |
| April 8 | 75°F | 53°F | 27% | 17% |
| April 15 | 77°F | 54°F | 26% | 17% |
| April 22 | 79°F | 56°F | 26% | 17% |
| April 30 | 81°F | 58°F | 25% | 17% |
Every day of April: normal high, low and chance of precipitation (warmest afternoon April 30, coldest night April 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| April 1 | 74°F | 51°F | 27% | 17% | 12 h 30 min |
| April 2 | 74°F | 51°F | 27% | 17% | 12 h 30 min |
| April 3 | 74°F | 51°F | 27% | 17% | 12 h 30 min |
| April 4 | 74°F | 52°F | 27% | 17% | 12 h 40 min |
| April 5 | 75°F | 52°F | 27% | 17% | 12 h 40 min |
| April 6 | 75°F | 52°F | 27% | 17% | 12 h 40 min |
| April 7 | 75°F | 52°F | 27% | 17% | 12 h 40 min |
| April 8 | 75°F | 53°F | 27% | 17% | 12 h 40 min |
| April 9 | 76°F | 53°F | 27% | 17% | 12 h 50 min |
| April 10 | 76°F | 53°F | 27% | 17% | 12 h 50 min |
| April 11 | 76°F | 53°F | 27% | 17% | 12 h 50 min |
| April 12 | 76°F | 54°F | 27% | 17% | 12 h 50 min |
| April 13 | 77°F | 54°F | 27% | 17% | 12 h 50 min |
| April 14 | 77°F | 54°F | 26% | 17% | 13 h |
| April 15 | 77°F | 54°F | 26% | 17% | 13 h |
| April 16 | 77°F | 55°F | 26% | 17% | 13 h |
| April 17 | 78°F | 55°F | 26% | 17% | 13 h |
| April 18 | 78°F | 55°F | 26% | 17% | 13 h |
| April 19 | 78°F | 55°F | 26% | 17% | 13 h 10 min |
| April 20 | 78°F | 56°F | 26% | 17% | 13 h 10 min |
| April 21 | 79°F | 56°F | 26% | 17% | 13 h 10 min |
| April 22 | 79°F | 56°F | 26% | 17% | 13 h 10 min |
| April 23 | 79°F | 57°F | 26% | 17% | 13 h 10 min |
| April 24 | 79°F | 57°F | 26% | 17% | 13 h 10 min |
| April 25 | 79°F | 57°F | 26% | 17% | 13 h 20 min |
| April 26 | 80°F | 57°F | 26% | 17% | 13 h 20 min |
| April 27 | 80°F | 58°F | 25% | 17% | 13 h 20 min |
| April 28 | 80°F | 58°F | 25% | 17% | 13 h 20 min |
| April 29 | 80°F | 58°F | 25% | 17% | 13 h 20 min |
| April 30 | 81°F | 58°F | 25% | 17% | 13 h 30 min |
- Normal high
- 77°FApril average
- Normal low
- 55°FApril average
- Precipitation
- 3.29 inmonth total
- Days with precipitation
- 80.01 inch or more
- Days at 90°F or more
- 1
- Daylight
- 12 h 30 min to 13 h 30 minApril 1 to April 30
- Days at 70°F or more
- 26
- Days at 80°F or more
- 12
- Sunshine
- 84%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013880; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Charleston in April?
On a given April day the chance of 0.01 inch or more is 26% on average, highest around April 6 (27%). In all, 3.29 in falls on 8 days of a normal April, 1 of them with an inch or more.
In a normal April in Charleston, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013880.
How humid and windy is Charleston in April?
At 3 p.m. the normal temperature is 77°F with 48% relative humidity and a dew point of 56°F; at 6 a.m. it is 61°F with 88% humidity. The wind averages 8.7 mph, most often from the south-southwest in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 61°F | 57°F | 88% | 5.7 mph | 55% |
| 9 a.m. | 71°F | 58°F | 65% | 9.8 mph | 54% |
| noon | 76°F | 56°F | 50% | 11.0 mph | 40% |
| 3 p.m. | 77°F | 56°F | 48% | 12.4 mph | 40% |
| 6 p.m. | 73°F | 57°F | 56% | 11.2 mph | 53% |
| 9 p.m. | 66°F | 59°F | 77% | 7.5 mph | 62% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00013880. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for April in Charleston?
The warmest April temperature on Charleston's official record (since 1937) is 95°F, on April 20, 2002; the coldest is 29°F, on April 6, 1944. The wettest April brought 9.50 in (1958).
The April mean against the 1991-2020 normal of 65.8°F: 2021 65.0°F (−0.8), 2022 64.8°F (−1.0), 2023 68.4°F (+2.6), 2024 67.7°F (+1.9), 2025 69.2°F (+3.4), 2026 68.3°F (+2.5). 4 of 6 ran warmer than normal.
| April | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 65.0°F | −0.8°F | 1.31 in |
| 2022 | 64.8°F | −1.0°F | 3.28 in |
| 2023 | 68.4°F | +2.6°F | 2.74 in |
| 2024 | 67.7°F | +1.9°F | 3.53 in |
| 2025 | 69.2°F | +3.4°F | 0.82 in |
| 2026 | 68.3°F | +2.5°F | 0.24 in |
Source: records: ACIS, NWS threaded record CHSthr; recent months: ACIS, station USW00013880. Records and recent months use complete months only.
How does April in Charleston compare across South Carolina?
Across the 73 places PlainClimate covers in South Carolina, April normal highs run from 65°F in Caesars Head to 79°F in Hampton; Charleston's is 77°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.