Charleston in April
In April, Charleston averages 23°C (73°F) during the day and 15°C (59°F) at night, with around 13 days of rain (116 mm total).
High seasonConditions are comfortable for sightseeing without being sweltering. Plan for unsettled weather and bring rain gear.
April offers comfortable temperatures in Charleston, with some rain to plan around.
How April compares to the rest of the year in Charleston
April is in the middle of the year for warmth in Charleston (7th of 12) and moderately rainy compared to the rest of the year (8th of 12). Daytime temperature matches the city's annual average. April runs 4°C warmer than March (19°C) and warms a further 4°C into May (27°C).
April sunrise & sunset in Charleston
Times shown for Charleston local time (America/New_York), calculated for the 15th of April. They shift by a few minutes day to day across the month.
Photography light in Charleston — April
Golden-hour and blue-hour windows for the 15th of April, in Charleston's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Charleston in April
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on April's tier (High season) and Charleston's popularity.
Crowds & pricing — April in Charleston
This is a busy month in Charleston — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: excellent tourism weather
Sun & mosquito risk — April in Charleston
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Charleston in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 14°C / 58°F | 6°C / 44°F | 78 mm | 12 | — |
| February | 17°C / 62°F | 9°C / 48°F | 77 mm | 13 | — |
| March | 19°C / 67°F | 11°C / 53°F | 78 mm | 14 | — |
| April | 23°C / 73°F | 15°C / 59°F | 116 mm | 13 | — |
| May | 27°C / 80°F | 20°C / 67°F | 84 mm | 16 | — |
| June | 29°C / 85°F | 23°C / 74°F | 129 mm | 22 | — |
| July | 31°C / 88°F | 25°C / 77°F | 118 mm | 25 | — |
| August | 30°C / 86°F | 25°C / 76°F | 170 mm | 26 | — |
| September | 28°C / 82°F | 22°C / 72°F | 157 mm | 21 | — |
| October | 24°C / 76°F | 17°C / 63°F | 94 mm | 13 | — |
| November | 19°C / 66°F | 11°C / 52°F | 85 mm | 12 | — |
| December | 17°C / 62°F | 9°C / 49°F | 122 mm | 12 | — |
Other cities with similar April weather
🌍 See the full ranked list of climate twins for Charleston in April →
Frequently asked questions
How hot is Charleston in April?
In April, Charleston averages a high of 23°C (73°F) and a low of 15°C (59°F) — generally mild and pleasant.
Does it rain a lot in Charleston in April?
April can be fairly wet in Charleston, with about 13 rainy days on average.
Is April a good time to visit Charleston?
April is mild and pleasant. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Charleston in April?
Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full April packing list for Charleston for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.