Climate and monthly weather forecastSouth Charleston, WV
Climate and monthly weather forecast
The climate of South Charleston
Given its geographical position in West Virginia, USA, South Charleston reveals itself with a predominately Humid Subtropical climate, denoted as Cfa, in line with the Köppen climate classification. This classification signifies that the city experiences no dry season with the temperature of the warmest month averaging above 71.6°F (22°C).Delving into the yearly climate, the temperature swings from a frigid low of 25.3°F (-3.7°C) in January to hitting a peak of 85.6°F (29.8°C) in July, indicating substantial fluctuation across different seasons. Humidity in South Charleston maintains a relative constancy throughout the year, maintaining an average above 75%. Precipitation reveals monthly rainfall from a low of 1.81" (46mm) in September to a high of 3.94" (100mm) in May and reiterates the climate's subtropical nature.
Unique weather conditions emerge in the annual snowfall, while common in winter months, interestingly, it diminishes to none between June and October. The amount of daily sunshine ranges across the year, reaching its zenith of 10.2 hours in August before plummeting to its nadir of 3.7 hours in December.
The best time to visit South Charleston
Considering factors such as comfortable temperatures, lower likelihood of rainfall, and abundant sunshine, June through August stand out as the optimal time for visiting South Charleston. During this period, temperatures hover between 74.8°F (23.8°C) and 85.6°F (29.8°C), coupled with the longest daily sunshine span, and relative humidity often below 80%. These aspects combine to create ideal conditions for outdoor activities and exploration.The worst time to visit South Charleston
The most challenging period for visitation falls between December and February. Throughout this stretch, the low temperature ranges from 25.3°F (-3.7°C) to 28.8°F (-1.8°C) and daily sunshine is at its minimum, touching just 3.7-4.5 hours. With these conditions, outdoor activities could be a challenging endeavor for tourists not accustomed to severe cold. Furthermore, the likelihood of snowfall is highest during these months, potentially leading to disruptions in transportation.Spring weather in South Charleston
Spring in South Charleston ushers in a gradual upward shift in temperature from 52.3°F (11.3°C) in March to 74.8°F (23.8°C) in May. Correspondingly, the lowest temperature sees an incline from 36.3°F (2.4°C) to 54.1°F (12.3°C). Rainfall is more than 3" (76mm) in each month of spring, with May experiencing the highest volume of 3.94" (100mm). Daily sunshine also enters a growth phase, stretching from 5.9 hours in March to 9 hours by May.Summer weather in South Charleston
In South Charleston, the summer months from June to August are characterized by the warmest temperatures of the year. High temperatures in this season range from 77.9°F (25.5°C) to 85.6°F (29.8°C), while the lower limit remains between 59.7°F (15.4°C) and 63.3°F (17.4°C), ensuring relatively balmy nights. Rainfall decreases throughout summer, starting at 3.23" (82mm) in June and reducing to 2.09" (53mm) by August. The average hours of daily sunshine peak at around 9.9-10.2 hours.Autumn weather in South Charleston
Autumn in South Charleston sees temperatures gradually dropping, with the high temperatures declining from 77.9°F (25.5°C) in September to 52.7°F (11.5°C) by November. Similarly, the low temperatures also decrease from 56.7°F (13.7°C) to 36.9°F (2.7°C). Rainfall remains fairly consistent in autumn, fluctuating between 1.81" (46mm) and 2.72" (69mm). The daily sunshine also dwindles during this period, going from 8.3 hours to 5.5 hours.Winter weather in South Charleston
In South Charleston, winters are marked by low temperatures, limited sunshine, and increased snowfall. High temperatures in winter float between 38.7°F (3.7°C) and 43.7°F (6.5°C), while lows can go down to 25.3°F (-3.7°C) in January. Rainfall registers its highest in December at 3.11" (79mm), whereas the notable snowfall peaks in January at 5.51" (140mm). Sunshine during winter dwindles to the year's lowest of 3.7-4.1 hours per day.Weather in January
South Charleston experiences a chilly start with January as expected of winter in West Virginia. This month records the highest snowfall, both in terms of the number of days and the volume, with 5.51in spread across 14.1 days. The volatile weather patterns this time of year can impact commuting, hence travelers may want to take precautions. Weather in January »Weather in February
February in South Charleston brings slight relief from January's cold pervasiveness, yet it remains a winter month and embraces cold climate. It's marginally less snowy than January, but still invites snow lovers with 4.61in of snow falls over 10.8 days. Weather in February »Weather in March
Transitioning into spring, March sees a significant shift in South Charleston's weather patterns. The snowfall volume reduces dramatically this month, with only 3.66in falling through merely seven days. The month's weather characteristics lean more towards rainfall rather than snow, an early sign of the upcoming greener months. Weather in March »Weather in April
April in South Charleston is a time when the city truly awakens from its wintery slumber. No significant snowfall is recorded this month, only a mere 0.55in, illustrating a clear shift from the colder months. The temperatures and daylight hours rise noticeably, as do rainfall days, a sign of the natural landscape's rejuvenation. Weather in April »Weather in May
May in South Charleston is a beacon of warmer days ahead. Witnessing the highest rainfall of the year with 3.94in, this month somewhat heralds the onset of the summer season. Despite the shared presence of clouds and sun, the abundant light usually paves the way for outdoor recreational activities. Weather in May »Weather in June
June, ushering in the heart of summer in South Charleston, sees the temperatures rise steadily. The warmest month's onset is characterized by maximum temperatures soaring up to 85.6°F (29.8°C). Despite being marginally humid, the evening breeze often brings a comforting respite. Weather in June »Weather in July
July stands out as the hottest month in South Charleston, embracing the summer spirit with temperatures peaking at 85.6°F (29.8°C). With no snow, minimal rainfall and maximum clear sky days, July makes for a pleasant time for various activities. Weather in July »Weather in August
August in South Charleston brings a subtle transition from the pinnacle of summer to the onset of fall. Temperatures begin to slightly decrease; however, the maximum still touch as high as 84.6°F (29.2°C). A subtle yet steady shift in weather patterns marks August as the transition month. Weather in August »Weather in September
September in South Charleston captures the essence of fall, with moderate temperatures and slightly overcast days. The city bids adieu to high summer temperatures, now reeling in a cooler 77.9°F (25.5°C). The change in weather is palpable, especially in the evenings, when a slight nip in the air hints towards the coming winter. Weather in September »Weather in October
October in South Charleston sees a noticeable drop in temperatures, setting the stage for the arrival of winter. Subtle indicators of winter, like the occasional rise of 1.22in snowfall over just a couple of days, pique the residents' interest. Weather in October »Weather in November
November marks the beginning of winter in South Charleston with the temperatures dipping noticeably. The dip in temperature coupled with an increase in snowfall, 1.61in over 3.6 days, signals the start of the winter season. The leafless trees against the dull backdrop of the winter sky, creates an alluring, monochromatic cityscape. Weather in November »Weather in December
December, the last month of the year, brings South Charleston into the peak of winter. Snowfall reaches a considerable amount this month, registering at 4.53in over 9.2 days. The city adorned in a white blanket creates a sight quite picturesque. Weather in December »Updated: Jun 28, 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
With average high and low temperatures of 38.7°F (3.7°C) and 25.3°F (-3.7°C) respectively, January is South Charleston's coldest month.
The months with the highest humidity are January and February, with an average relative humidity of 82%.
Throughout the year, there are 180.4 rainfall days, and 34.06" (865mm) of precipitation is accumulated.
January through May, October through December are months with snowfall.
The month with the most snowfall is January, when snow falls for 14.1 days and typically aggregates up to 5.51" (140mm) of snow.
Throughout the year, there are 46.8 snowfall days, and 22.01" (559mm) of snow is accumulated.
January has the least sunshine of the year, with an average of 3.7h of sunshine.
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.
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.
May is the month with the most rainfall. Rain falls for 20.1 days and accumulates 3.94" (100mm) of precipitation.
The months with the highest UV index are May through August, with an average maximum UV index of 6.
June through August and November, with an average relative humidity of 76%, are the least humid months.
June through September are months without snowfall.
The month with the longest days in South Charleston is June, with an average of 14h and 48min of daylight.
South Charleston's temperature records reveal July as the warmest month, marked by average highs of 85.6°F (29.8°C) and lows of 63.3°F (17.4°C).
August has the most sunshine of the year, with an average of 10.2h of sunshine.
September is the month with the least rainfall. Rain falls for 13.9 days and accumulates 1.81" (46mm) of precipitation.
With an average of 9h and 30min of daylight, December has the shortest days of the year.
Average temperature
South Charleston, WV
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.7°F).
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure
South Charleston, WV
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
30.02"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.16"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed
South Charleston, WV
- Average wind speed in January:
6.5mph - Average wind speed in February:
6.6mph - Average wind speed in March:
6.3mph - Average wind speed in April:
6.5mph - Average wind speed in May:
5.5mph - Average wind speed in June:
4.9mph
- Average wind speed in July:
4.3mph - Average wind speed in August:
4mph - Average wind speed in September:
4.3mph - Average wind speed in October:
5mph - Average wind speed in November:
5.4mph - Average wind speed in December:
6.1mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity
South Charleston, WV
The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are June, July, August and November (76%).
Average rainfall
South Charleston, WV
- Average rainfall in January:
2.68" - Average rainfall in February:
3.31" - Average rainfall in March:
3.11" - Average rainfall in April:
3.11" - Average rainfall in May:
3.94" - Average rainfall in June:
3.23"
- Average rainfall in July:
2.76" - Average rainfall in August:
2.09" - Average rainfall in September:
1.81" - Average rainfall in October:
2.72" - Average rainfall in November:
2.2" - Average rainfall in December:
3.11"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days
South Charleston, WV
- Average rainfall days in January:
11.8 days - Average rainfall days in February:
12.7 days - Average rainfall days in March:
15.7 days - Average rainfall days in April:
18.3 days - Average rainfall days in May:
20.1 days - Average rainfall days in June:
17.5 days
- Average rainfall days in July:
18 days - Average rainfall days in August:
15.5 days - Average rainfall days in September:
13.9 days - Average rainfall days in October:
12.5 days - Average rainfall days in November:
11 days - Average rainfall days in December:
13.4 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is November (11 days).
Average snowfall
South Charleston, WV
- Average snowfall in January:
5.51" - Average snowfall in February:
4.61" - Average snowfall in March:
3.66" - Average snowfall in April:
0.55" - Average snowfall in May:
0.31" - Average snowfall in June:
0"
The month with the highest snowfall is January (5.51").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
South Charleston, WV
- Average snowfall days in January:
14.1 days - Average snowfall days in February:
10.8 days - Average snowfall days in March:
7.1 days - Average snowfall days in April:
1.1 days - Average snowfall days in May:
0.3 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:
0.6 days - Average snowfall days in November:
3.6 days - Average snowfall days in December:
9.2 days
The month with the highest number of snowfall days is January (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
South Charleston, WV
- Average daylight in January:
9h and 54min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
3h and 42min - Average sunshine in February:
4h and 30min - Average sunshine in March:
5h and 54min - Average sunshine in April:
8h and 6min - Average sunshine in May:
9h and 0min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
10h and 12min - Average sunshine in September:
8h and 18min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
South Charleston, WV
- Average sunshine days in January:
9.8 days - Average sunshine days in February:
8.4 days - Average sunshine days in March:
9.8 days - Average sunshine days in April:
10.6 days - Average sunshine days in May:
9.5 days - Average sunshine days in June:
10.2 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
13.9 days - Average sunshine days in September:
13.5 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
16.5 days - Average sunshine days in December:
11.5 days
The months with the most sunshine days are October and November (16.5 days).
The month with the least sunshine days is February (8.4 days).
Average UV index
South Charleston, WV
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
South Charleston, WV
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
South Charleston, WV
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
