Charleston in June
In June, Charleston averages 29°C (85°F) during the day and 23°C (74°F) at night, with frequent rain — about 22 days of the month see precipitation (129 mm total).
ShoulderConditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.
June offers comfortable temperatures in Charleston, with some rain to plan around.
How June compares to the rest of the year in Charleston
June is one of the warmest months in Charleston (3rd of 12) and one of the wettest months (3rd of 12). Daytime temperature runs 6°C above the annual average (23°C). June runs 3°C warmer than May (27°C) and warms a further 2°C into July (31°C).
June sunrise & sunset in Charleston
Times shown for Charleston local time (America/New_York), calculated for the 15th of June. They shift by a few minutes day to day across the month.
Photography light in Charleston — June
Golden-hour and blue-hour windows for the 15th of June, in Charleston's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Charleston in June
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 June's tier (Shoulder) and Charleston's popularity.
Crowds & pricing — June in Charleston
Charleston is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Sun & mosquito risk — June 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 June weather
🌍 See the full ranked list of climate twins for Charleston in June →
Frequently asked questions
How hot is Charleston in June?
In June, Charleston averages a high of 29°C (85°F) and a low of 23°C (74°F) — generally warm.
Does it rain a lot in Charleston in June?
June is quite rainy in Charleston, with about 22 rainy days on average.
Is June a good time to visit Charleston?
June is warm but on the rainy side. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Charleston in June?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full June packing list for Charleston for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.