Avg High
Charleston in June
Verdict
In Charleston, June has a distinct summer feel. As the season moves along, temperatures are climbing noticeably. You can usually expect a warm month that feels variable day to day. It often has a hot and tropical, with heavy bursts of rain breaking the heat feel, especially for outdoor plans.
It suits travellers who want straightforward weather for sightseeing and day trips. Sun exposure can add up quickly around the middle of the day.
Avg Low
Rain
Daylight
14h
What to expect
- Temperature feel - Heat-forward afternoons with an even, steady feel across the day. It can feel warmer than expected in the sun.
- Showers & dry spells - Very wet. Waterproof footwear becomes genuinely useful. Outdoor plans benefit from flexibility.
- Sun exposure - Midday sun is intense. You can burn surprisingly quickly, so sun protection is strongly recommended. It's the kind of sun you notice immediately.
- Breezes - A steady breeze, and expect sharp gusts that can change plans in exposed areas. Sheltered streets can feel fine, but open areas feel very different.
June in context
How it compares to the rest of the year in Charleston.
Hottest (avg)
#3 / 12
Wettest (avg)
#4 / 12
Daylight Hours
#1 / 12
Windiest (avg)
#10 / 12
Highest UV
#1 / 12
Most Humid
#4 / 12
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight
- 14.3 hours
- UV index (max)
- 9
- Typical sun hours
- 05:11 – 19:27
Rain & Snow
- Total
-
- Rainy days
- 19
- Cloud cover
- 57%
- Snowfall
-
Humidity & Wind
- Humidity (avg)
- 79%
- Wind (avg)
-
- Wind (max gusts)
-
Frequently asked questions
Is June a good time to visit Charleston?
Typical June days in Charleston reach highs of 29°C (84°F) with nights around 23°C (73°F). It usually feels hot by day and warm after dark. Overall, June sits in the middle of the Charleston climate range.
What are temperatures like in June?
Daytime temperatures in June typically peak near 29°C (84°F), while nights drop to around 23°C (73°F). Expect hot afternoons and warm evenings.
How much does it rain in June?
Rainfall in June averages 127 mm (5.0 in) across roughly 19 days. Overall it is a very wet time of year, so a light rain jacket and waterproof shoes are very handy.
How many hours of daylight are there in June?
You can expect about 14 hours of daylight in June. Sunrise is typically around 05:11 and sunset near 19:27. You get long days with comfortable amounts of daylight.
How strong is the sun in June?
UV levels frequently reach very high levels (around 9), so strong sun protection is essential, especially around midday.
Is it windy in June?
In June, average wind speeds are around 13 km/h (8 mph), with gusts on the windiest days reaching about 48 km/h (30 mph). On the ground, it is it often feels breezy, especially in more exposed spots or along the coast.