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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is another refreshing winter month in Charleston Heights, South Carolina, with temperature in the range of an average low of 42.8°F (6°C) and an average high of 56.8°F (13.8°C). January is the coldest month, exhibiting average temperatures of 56.8°F (13.8°C) at the peak and 42.8°F (6°C) at the base. Weather in January »
Weather in February
February, the last month of the winter in Charleston Heights, is another refreshing month, with an average temperature varying between 60.6°F (15.9°C) and 45.9°F (7.7°C). February experiences an average high-temperature of a still mild 60.6°F (15.9°C), barely different from January's 56.8°F (13.8°C). Weather in February »
Weather in March
March, the first month of the spring in Charleston Heights, is a refreshing month, with an average temperature varying between 51.6°F (10.9°C) and 66.2°F (19°C). With the transition into March, Charleston Heights experiences a subtle uplift in average high-temperatures, adjusting from a mild 60.6°F (15.9°C) in February to a still refreshing 66.2°F (19°C). Weather in March »
Weather in April
April is a moderately hot spring month in Charleston Heights, South Carolina, with an average temperature fluctuating between 59°F (15°C) and 74.1°F (23.4°C). April signifies a subtle uplift in the average high-temperature, adjusting from a refreshing 66.2°F (19°C) in March to a warm 74.1°F (23.4°C). Weather in April »
Weather in May
May, the last month of the spring in Charleston Heights, is another warm month, with an average temperature fluctuating between 66.7°F (19.3°C) and 80.8°F (27.1°C). A soft shift in the average high-temperature is noticeable in May, transitioning from 74.1°F (23.4°C) in April to a still moderately hot 80.8°F (27.1°C). Weather in May »
Weather in June
The first month of the summer, June, is a hot month in Charleston Heights, South Carolina, with temperature in the range of an average high of 87.1°F (30.6°C) and an average low of 73.4°F (23°C). In Charleston Heights, stepping into June brings a gentle temperature nudge, moving slightly up from May's warm 80.8°F (27.1°C) to a tropical 87.1°F (30.6°C). Weather in June »
Weather in July
July, the same as June, in Charleston Heights, South Carolina, is a hot summer month, with temperature in the range of an average low of 76.5°F (24.7°C) and an average high of 89.6°F (32°C). The highest temperatures are recorded in July, with averages reaching a high of 89.6°F (32°C) and a low of 76.5°F (24.7°C). In July, the average heat index is evaluated at a blistering 107.6°F (42°C). Weather in July »
Weather in August
The last month of the summer, August, is also a hot month in Charleston Heights, South Carolina, with an average temperature varying between 88.3°F (31.3°C) and 76.3°F (24.6°C). As July transitions into August, Charleston Heights records an average high-temperature of a still hot 88.3°F (31.3°C), showing a gentle shift from the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Charleston Heights, South Carolina, with temperature in the range of an average high of 84.4°F (29.1°C) and an average low of 72°F (22.2°C). The shift to September signals an average high-temperature of a warm 84.4°F (29.1°C), subtly varied from August's 88.3°F (31.3°C). Weather in September »
Weather in October
October, the same as September, is a moderately hot autumn month in Charleston Heights, South Carolina, with an average temperature fluctuating between 76.1°F (24.5°C) and 62.1°F (16.7°C). October's arrival signals a moderate reduction in the average high-temperature, easing from 84.4°F (29.1°C) in September to a still warm 76.1°F (24.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Charleston Heights, is another refreshing month, with temperature in the range of an average high of 65.8°F (18.8°C) and an average low of 51.8°F (11°C). A decrease in the average high-temperature is observed during November, shifting from a warm 76.1°F (24.5°C) in October to an enjoyable 65.8°F (18.8°C). Weather in November »
Weather in December
December, the first month of the winter in Charleston Heights, is also a moderate month, with an average temperature fluctuating between 47.3°F (8.5°C) and 60.4°F (15.8°C). The arrival of December correlates with a minor temperature reduction, down from November's enjoyable 65.8°F (18.8°C) to a mild 60.4°F (15.8°C). Weather in December »
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
In Charleston Heights, January is the coldest month, with temperatures averaging a high of 56.8°F (13.8°C) and a low of 42.8°F (6°C).
What is the driest month?
January is the month with the least rainfall. Rain falls for 8.8 days and accumulates 0.67" (17mm) of precipitation.
How many days does it rain?
Throughout the year, in Charleston Heights, there are 154.4 rainfall days, and 23.43" (595mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January, February and December.
How many days does it snow?
In Charleston Heights, during the entire year, snow falls for 0.5 days.
What is the month with the lowest UV index?
January is the month with the lowest UV index in Charleston Heights, with an average maximum UV index of 3.
What is the least humid month?
The least humid month is March, with an average relative humidity of 72%.
When it does not snow?
In Charleston Heights, snow does not fall in March through November.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
When is the highest UV index in Charleston Heights?
May through August, with an average maximum UV index of 7, are months with the highest UV index.
When are the longest days?
The month with the longest days is June, with an average of 14h and 18min of daylight.
What is the hottest time of year?
July, having an average high-temperature of 89.6°F (32°C) and an average low-temperature of 76.5°F (24.7°C), is the warmest month.
What month has the most sunshine?
With an average of 10.9h of sunshine, July has the most sunshine of the year.
What is the wettest month?
The month with the most rainfall is August, when the rain falls for 22.7 days and typically aggregates up to 4.29" (109mm) of precipitation.
What is the most humid month?
December is the most humid month, with an average relative humidity of 77%.
When does it snow the most?
The month with the most snowfall days is December, when snow falls for 0.3 days.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 10h and 0min of daylight.
What is the month with the least sunshine?
December has the least sunshine of the year, with an average of 5.6h of sunshine.
Average temperature
Charleston Heights, SC
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (56.8°F).
The month with the highest average low temperature is July (76.5°F).
The coldest month (with the lowest average low temperature) is January (42.8°F).
Average pressure
Charleston Heights, SC
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30.03"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed
Charleston Heights, SC
- Average wind speed in January:
7.8mph - Average wind speed in February:
8.1mph - Average wind speed in March:
8.1mph - Average wind speed in April:
8.3mph - Average wind speed in May:
7.5mph - Average wind speed in June:
7mph
- Average wind speed in July:
7mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.1mph - Average wind speed in October:
7.5mph - Average wind speed in November:
7.6mph - Average wind speed in December:
7.6mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity
Charleston Heights, SC
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is March (72%).
Average rainfall
Charleston Heights, SC
- Average rainfall in January:
0.67" - Average rainfall in February:
0.91" - Average rainfall in March:
1.14" - Average rainfall in April:
1.65" - Average rainfall in May:
1.42" - Average rainfall in June:
2.6"
- Average rainfall in July:
2.68" - Average rainfall in August:
4.29" - Average rainfall in September:
2.76" - Average rainfall in October:
1.89" - Average rainfall in November:
1.02" - Average rainfall in December:
2.4"
The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days
Charleston Heights, SC
- Average rainfall days in January:
8.8 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
9.9 days - Average rainfall days in April:
11.4 days - Average rainfall days in May:
13.4 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
21.2 days - Average rainfall days in August:
22.7 days - Average rainfall days in September:
14.8 days - Average rainfall days in October:
9.7 days - Average rainfall days in November:
6.9 days - Average rainfall days in December:
9.5 days
The month with the highest number of rainy days is August (22.7 days).
The month with the least rainy days is November (6.9 days).
Average snowfall days
Charleston Heights, SC
- Average snowfall days in January:
0.1 days - Average snowfall days in February:
0.1 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.3 days
The month with the highest number of snowfall days is December (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Charleston Heights, SC
- Average daylight in January:
10h and 2min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 5min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 3min - Average daylight in December:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
5h and 5min - Average sunshine in February:
6h and 4min - Average sunshine in March:
7h and 4min - Average sunshine in April:
9h and 4min - Average sunshine in May:
10h and 2min - Average sunshine in June:
10h and 5min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 4min - Average sunshine in September:
9h and 0min - Average sunshine in October:
6h and 4min - Average sunshine in November:
6h and 1min - Average sunshine in December:
5h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days
Charleston Heights, SC
- Average sunshine days in January:
20.1 days - Average sunshine days in February:
17.2 days - Average sunshine days in March:
19.1 days - Average sunshine days in April:
17.7 days - Average sunshine days in May:
15.8 days - Average sunshine days in June:
9.7 days
- Average sunshine days in July:
6.9 days - Average sunshine days in August:
6.1 days - Average sunshine days in September:
11 days - Average sunshine days in October:
19.3 days - Average sunshine days in November:
20.4 days - Average sunshine days in December:
19 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is August (6.1 days).
Average UV index
Charleston Heights, SC
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover
Charleston Heights, SC
The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are June and July (Cloud cover 26).
Average visibility
Charleston Heights, SC
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Charleston Heights, South Carolina, USA
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