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CharlestonUSSouth Carolina, United States | ||
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CharlestonUSSouth Carolina, United States | |||||||||||||||
Charleston
DetailsHeat Seeker 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.
Use the detailed page for charts, component scores, and weather inputs behind every monthly ranking.
Calculations are based on the last 8 years of historical weather data.
Charleston experiences comfortable temperatures from April to October.
However, July and August have maximum temperatures that exceed the comfort zone, potentially causing discomfort.
The temperature from December to February are the least comfortable.
Maximum Temperatures
| Period | Charleston |
|---|---|
| Jan | 57.7°F |
| Feb | 63.7°F |
| Mar | 68.4°F |
| Apr | 74.1°F |
| May | 81.3°F |
| Jun | 86.9°F |
| Jul | 89.2°F |
| Aug | 87.8°F |
| Sep | 84.7°F |
| Oct | 77.5°F |
| Nov | 67.8°F |
| Dec | 61.0°F |
| Average | 75.0°F |
Minimum Temperatures
| Period | Charleston |
|---|---|
| Jan | 43.5°F |
| Feb | 49.6°F |
| Mar | 53.2°F |
| Apr | 59.0°F |
| May | 66.7°F |
| Jun | 73.4°F |
| Jul | 76.8°F |
| Aug | 76.3°F |
| Sep | 72.3°F |
| Oct | 63.5°F |
| Nov | 53.6°F |
| Dec | 48.2°F |
| Average | 61.3°F |
In Charleston, the sun hours generally peak in April with 7.2 hours, while precipitation is consistently low during the earlier months, particularly January with only 0.1 inches.
The summer months (June to August) show a decline in sun hours and a notable increase in precipitation levels, particularly in July and August, each recording 0.27 inches. Overall, Charleston experiences a mild winter and wet summers, highlighting its humid subtropical climate.
Sunny Weather
| Period | Charleston |
|---|---|
| Jan | 4.7 hours/day |
| Feb | 4.3 hours/day |
| Mar | 5.4 hours/day |
| Apr | 6.9 hours/day |
| May | 6.6 hours/day |
| Jun | 6.2 hours/day |
| Jul | 5.3 hours/day |
| Aug | 4.6 hours/day |
| Sep | 5.5 hours/day |
| Oct | 5.8 hours/day |
| Nov | 5.3 hours/day |
| Dec | 4.5 hours/day |
| Average | 5.4 hours/day |
Precipitation Levels
| Period | Charleston |
|---|---|
| Jan | 0.1in |
| Feb | 0.1in |
| Mar | 0.1in |
| Apr | 0.1in |
| May | 0.2in |
| Jun | 0.2in |
| Jul | 0.3in |
| Aug | 0.3in |
| Sep | 0.2in |
| Oct | 0.1in |
| Nov | 0.1in |
| Dec | 0.2in |
| Average | 0.2in |
Wind Speed
| Period | Charleston |
|---|---|
| Jan | 11.0mph |
| Feb | 11.1mph |
| Mar | 11.9mph |
| Apr | 11.9mph |
| May | 10.8mph |
| Jun | 10.4mph |
| Jul | 10.1mph |
| Aug | 9.8mph |
| Sep | 10.4mph |
| Oct | 10.1mph |
| Nov | 10.1mph |
| Dec | 10.7mph |
| Average | 10.7mph |
Humidity
| Period | Charleston |
|---|---|
| Jan | 66.5% |
| Feb | 72.3% |
| Mar | 67.3% |
| Apr | 68.4% |
| May | 70.0% |
| Jun | 70.8% |
| Jul | 72.3% |
| Aug | 74.2% |
| Sep | 71.2% |
| Oct | 68.5% |
| Nov | 67.9% |
| Dec | 70.4% |
| Average | 70.0% |
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
| Period | Charleston |
|---|---|
| Jan | 7:22 |
| Feb | 7:02 |
| Mar | 7:08 |
| Apr | 6:50 |
| May | 6:21 |
| Jun | 6:12 |
| Jul | 6:23 |
| Aug | 6:44 |
| Sep | 7:04 |
| Oct | 7:25 |
| Nov | 6:59 |
| Dec | 7:15 |
| Average | 6:54 |
Sunset Time
| Period | Charleston |
|---|---|
| Jan | 17:38 |
| Feb | 18:05 |
| Mar | 19:08 |
| Apr | 19:51 |
| May | 20:13 |
| Jun | 20:29 |
| Jul | 20:27 |
| Aug | 20:03 |
| Sep | 19:25 |
| Oct | 18:46 |
| Nov | 17:28 |
| Dec | 17:17 |
| Average | 19:06 |
Useful Day Length
| Period | Charleston |
|---|---|
| Jan | 10:16 hours |
| Feb | 11:03 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 |
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