Climate and monthly weather forecast
South Charleston, WV

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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 »
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Frequently asked questions

What are the coldest months in South Charleston?

January is the coldest month in South Charleston, with an average high-temperature of 38.7°F (3.7°C) and an average low-temperature of 25.3°F (-3.7°C).

What are the most humid months in South Charleston?

January and February, with an average relative humidity of 82%, are most humid months.

How many days does it rain in South Charleston?

Throughout the year, in South Charleston, West Virginia, there are 180.4 rainfall days, and 34.06" (865mm) of precipitation is accumulated.

When does it snow in South Charleston?

Months with snowfall in South Charleston, West Virginia, are January through May, October through December.

What is the snowiest month in South Charleston?

January is the month with the most snowfall. Snow falls for 14.1 days and accumulates 5.51" (140mm) of snow.

How many days does it snow in South Charleston?

Throughout the year, in South Charleston, there are 46.8 snowfall days, and 22.01" (559mm) of snow is accumulated.

What is the month with the least sunshine in South Charleston?

The month with the least sunshine in South Charleston, West Virginia, is January, with an average of 3.7h of sunshine.

When is the lowest UV index in South Charleston?

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in South Charleston.

When is Daylight Saving Time (DST) in South Charleston?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in South Charleston, 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.

What is the rainiest month in South Charleston?

May is the month with the most rainfall. Rain falls for 20.1 days and accumulates 3.94" (100mm) of precipitation.

When is the highest UV index in South Charleston?

The months with the highest UV index in South Charleston, West Virginia, are May through August, with an average maximum UV index of 6.

What are the least humid months in South Charleston?

June through August and November, with an average relative humidity of 76%, are the least humid months in South Charleston.

When it does not snow in South Charleston?

June through September are months without snowfall in South Charleston.

When are the longest days in South Charleston?

June has the longest days of the year, with an average of 14h and 48min of daylight.

What is the warmest month in South Charleston?

July, recording an average high temperature of 85.6°F (29.8°C) and a low temperature of 63.3°F (17.4°C), is South Charleston's warmest month.

What month has the most sunshine in South Charleston?

With an average of 10.2h of sunshine, August has the most sunshine of the year.

What is the driest month in South Charleston?

September is the month with the least rainfall in South Charleston, West Virginia. Rain falls for 13.9 days and accumulates 1.81" (46mm) of precipitation.

What is the month with the shortest days in South Charleston?

The month with the shortest days in South Charleston is December, with an average of 9h and 30min of daylight.

Average temperature
South Charleston, WV

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).

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Average pressure
South Charleston, WV

Average pressure - South Charleston, WV

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed
South Charleston, WV

Average wind speed - South Charleston, WV

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).

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Average humidity
South Charleston, WV

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%).

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Average rainfall
South Charleston, WV

Average rainfall - South Charleston, WV

The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is September (1.81").

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Average rainfall days
South Charleston, WV

Average rainfall days - South Charleston, WV

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).

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Average snowfall
South Charleston, WV

Average snowfall - South Charleston, WV

The month with the highest snowfall is January (5.51").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
South Charleston, WV

Average snowfall days - South Charleston, WV

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).

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Average daylight / Average sunshine
South Charleston, WV

Average daylight / Average sunshine - South Charleston, WV

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).

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).

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Average sunshine days
South Charleston, WV

Average sunshine days - South Charleston, WV

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).

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Average UV index
South Charleston, WV

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).

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Average visibility
South Charleston, WV

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).

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South Charleston, West Virginia, USA

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