Yearly weather

Calculations are based on the last 8 years of historical weather data.

Weather Score #

Heat Seeker Score is a composite score designed for those who crave hot, sunny weather with minimal rainfall. It prioritizes high temperatures and abundant sunshine.

Perfect for sun worshippers, beach lovers, and those seeking warm, dry climates for outdoor activities and relaxation.

Formula optimized for hot weather enthusiasts who prefer temperatures above 25°C (77°F) with maximum sun exposure and minimal precipitation.

Key factors in the calculation:

High temperatures: Favors locations with warm to hot daily highs
Abundant sunshine: Rewards areas with maximum daylight hours
Low precipitation: Penalizes frequent rain and wet conditions
Warm nights: Considers comfortable evening temperatures

Temperatures #

Charleston experiences comfortable temperatures for a significant portion of the year, particularly from April to October.
July and August see temperatures reaching discomfort levels above 30°C.
The remaining months, from November to March, have temperatures that are cooler but still generally above discomfort levels.

Maximum Temperatures

Minimum Temperatures

Maximum/minimum temperature averages are computed by averaging the max/min temperature of each day for a given period.

Conditions #

In Charleston, South Carolina, total sun hours peak in April at 7.5 hours and show a gradual decline in the summer months, with notable increases again during the fall.
Precipitation levels tend to rise significantly in the summer, particularly in July and August, with July recording the highest rainfall at 6.65 mm, contrasting with the relatively low precipitation levels in January and October.
Overall, Charleston experiences a trend of more sunshine in the spring and fall, while summer is marked by both increased cloud cover and precipitation.

Sunny Weather

Period	Charleston
Jan	4.8 hours/day
Feb	4.3 hours/day
Mar	5.7 hours/day
Apr	7.4 hours/day
May	7.1 hours/day
Jun	6.4 hours/day
Jul	5.3 hours/day
Aug	4.8 hours/day
Sep	5.6 hours/day
Oct	5.9 hours/day
Nov	5.1 hours/day
Dec	4.5 hours/day
Average	5.6 hours/day

Sun hours are computed from the number of hours of direct sunlight. The length of the day can affect these measurements; for example, northern cities have longer days in summer.

Precipitation Levels

Average amount of precipitation that falls in a form of a rain, snow, sleet or hail.

Wind Speed

Humidity

Daylight Hours #

In Charleston, South Carolina, the sunrise times vary significantly throughout the year, with the earliest occurring in June at 06:11 and the latest at 07:25 in October.
Conversely, the sunset times exhibit a more pronounced shift, ranging from the latest at 20:28 in June to the earliest at 17:16 in December, resulting in the shortest day length of only 10:01 in December compared to the longest day length of 14:17 in June.
This indicates that summer days in Charleston are considerably longer with extended daylight hours, while winter months experience shorter days and later sunrises.

Sunrise Time

Sunrise times are output in the local timezone of each place.

Sunset Time

Sunset times are output in the local timezone of each place.

Useful Day Length

Period	Charleston
Jan	10:16 hours
Feb	11:02 hours
Mar	12:00 hours
Apr	12:51 hours
May	13:13 hours
Jun	13:29 hours
Jul	13:27 hours
Aug	13:03 hours
Sep	12:21 hours
Oct	11:20 hours
Nov	10:28 hours
Dec	10:02 hours
Average	12:00 hours

Discards daylight hours before 7 AM. In places that are located to the west of the timezone, the sun rises and sets later compared to the cities that are located to the east. This means that the useful day length is longer in the cities located to the west of the time zone.

Share comparison

Was this page helpful?

Compare with something?

Charleston21:19

- -

↑ Go to the top

	Charleston US
Today Thu Jan 22
Fri Jan 23
Sat Jan 24
Sun Jan 25
Mon Jan 26
Tue Jan 27
Wed Jan 28

Weather in Charleston

- -

Daily Forecast