Climate and monthly weather forecast
Fort Mill, SC

Weather in January

January, like December, is a frosty winter month in Fort Mill, South Carolina, with temperature in the range of an average high of 49.6°F (9.8°C) and an average low of 34.3°F (1.3°C). With an average high-temperature of 49.6°F (9.8°C) and an average low-temperature of 34.3°F (1.3°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Fort Mill, is a fresh month, with an average temperature ranging between min 37°F (2.8°C) and max 53.8°F (12.1°C). In February, the average high-temperature is almost the same as in January - a cool 53.8°F (12.1°C). Weather in February »

Weather in March

The first month of the spring, March, is an enjoyable month in Fort Mill, South Carolina, with temperature in the range of an average high of 61.3°F (16.3°C) and an average low of 43.3°F (6.3°C). In March, the average high-temperature marginally rises from a cool 53.8°F (12.1°C) in February to a comfortable 61.3°F (16.3°C). Weather in March »

Weather in April

April is an agreeable spring month in Fort Mill, South Carolina, with an average temperature fluctuating between 52.3°F (11.3°C) and 71.6°F (22°C). In Fort Mill, South Carolina, the average high-temperature in April rises from a comfortable 61.3°F (16.3°C) in March to an agreeable 71.6°F (22°C). Weather in April »

Weather in May

May, the last month of the spring in Fort Mill, is a warm month, with an average temperature varying between 60.8°F (16°C) and 79.7°F (26.5°C). In May, the average high-temperature marginally rises from a pleasant 71.6°F (22°C) in April to a warm 79.7°F (26.5°C). Weather in May »

Weather in June

June, the first month of the summer in Fort Mill, is a tropical month, with an average temperature varying between 67.6°F (19.8°C) and 87.4°F (30.8°C). In June, the average high-temperature marginally rises from a moderately hot 79.7°F (26.5°C) in May to a tropical 87.4°F (30.8°C). Weather in June »

Weather in July

July, like June, is another tropical summer month in Fort Mill, South Carolina, with an average temperature varying between 91°F (32.8°C) and 70.7°F (21.5°C). With an average high-temperature of 91°F (32.8°C) and an average low-temperature of 70.7°F (21.5°C), July is the warmest month. The average heat index in July is appraised at a blistering 107.6°F (42°C). Weather in July »

Weather in August

August, the last month of the summer in Fort Mill, is also a hot month, with an average temperature varying between 88.7°F (31.5°C) and 69.4°F (20.8°C). In Fort Mill, South Carolina, the average high-temperature in August is essentially the same as in July - a still hot 88.7°F (31.5°C). Weather in August »

Weather in September

September, the first month of the autumn in Fort Mill, is still a warm month, with an average temperature fluctuating between 64.2°F (17.9°C) and 83.3°F (28.5°C). In September, the average high-temperature slightly decreases from a hot 88.7°F (31.5°C) in August to a warm 83.3°F (28.5°C). Weather in September »

Weather in October

October, like September, is another pleasant autumn month in Fort Mill, South Carolina, with temperature in the range of an average low of 53.4°F (11.9°C) and an average high of 71.8°F (22.1°C). In Fort Mill, South Carolina, the average high-temperature in October decreases from a moderately hot 83.3°F (28.5°C) in September to an agreeable 71.8°F (22.1°C). Weather in October »

Weather in November

The last month of the autumn, November, is another mild month in Fort Mill, South Carolina, with an average temperature ranging between max 59.9°F (15.5°C) and min 43.3°F (6.3°C). In Fort Mill, the average high-temperature in November drops from an agreeable 71.8°F (22.1°C) in October to a mild 59.9°F (15.5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cool month in Fort Mill, South Carolina, with an average temperature fluctuating between 39°F (3.9°C) and 53.1°F (11.7°C). In December, the average high-temperature marginally drops from a mild 59.9°F (15.5°C) in November to a cool 53.1°F (11.7°C). Weather in December »
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FAQ

What is the coldest month in Fort Mill?

January is the coldest month in Fort Mill, with an average high-temperature of 49.6°F (9.8°C) and an average low-temperature of 34.3°F (1.3°C).

How many days does it rain in Fort Mill?

In Fort Mill, South Carolina, during the entire year, the rain falls for 146.1 days and collects up to 28.94" (735mm) of precipitation.

When does it snow in Fort Mill?

January through March and December are months with snowfall.

How many days does it snow in Fort Mill?

In Fort Mill, South Carolina, during the entire year, snow falls for 3.1 days and aggregates up to 3.58" (91mm) of snow.

When is the lowest UV index in Fort Mill?

The months with the lowest UV index in Fort Mill are January and December, with an average maximum UV index of 2.

What is the snowiest month in Fort Mill?

February is the month with the most snowfall. Snow falls for 1.4 days and accumulates 1.26" (32mm) of snow.

When is Daylight Saving Time (DST) in Fort Mill?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.

When it does not snow in Fort Mill?

April through November are months without snowfall in Fort Mill, South Carolina.

When are the longest days in Fort Mill?

With an average of 14h and 28min of daylight, June has the longest days of the year in Fort Mill, South Carolina.

What is the warmest month in Fort Mill?

With an average high-temperature of 91°F (32.8°C) and an average low-temperature of 70.7°F (21.5°C), July is the warmest month in Fort Mill.

What is the least humid month in Fort Mill?

The least humid month in Fort Mill is July, with an average relative humidity of 69%.

What month has the most sunshine in Fort Mill?

July has the most sunshine of the year in Fort Mill, South Carolina, with an average of 10.7h of sunshine.

What is the month with the highest UV index in Fort Mill?

With an average maximum UV index of 7, July is the month with the highest UV index.

What is the wettest month in Fort Mill?

The month with the most rainfall in Fort Mill is August, when the rain falls for 16 days and typically aggregates up to 3.23" (82mm) of precipitation.

What is the driest month in Fort Mill?

The months with the least rainfall in Fort Mill, South Carolina, are September and October Rain falls for 11.5 days and accumulates 1.81" (46mm) of rain.

What is the most humid month in Fort Mill?

The most humid month in Fort Mill is December, with an average relative humidity of 75%.

What is the month with the shortest days in Fort Mill?

The month with the shortest days in Fort Mill is December, with an average of 9h and 51min of daylight.

What is the month with the least sunshine in Fort Mill?

The month with the least sunshine in Fort Mill is December, with an average of 5.3h of sunshine.

Average temperature
Fort Mill, SC

Average temperature - Fort Mill, SC

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (49.6°F).

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).

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Average pressure
Fort Mill, SC

Average pressure - Fort Mill, SC

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed
Fort Mill, SC

Average wind speed - Fort Mill, SC

The windiest months (with the highest average wind speed) are February and April (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average rainfall
Fort Mill, SC

Average rainfall - Fort Mill, SC

The wettest month (with the highest rainfall) is August (3.23").
The driest months (with the least rainfall) are September and October (1.81").

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Average rainfall days
Fort Mill, SC

Average rainfall days - Fort Mill, SC

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (8.3 days).

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Average snowfall
Fort Mill, SC

Average snowfall - Fort Mill, SC

The month with the highest snowfall is February (1.26").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days
Fort Mill, SC

Average snowfall days - Fort Mill, SC

The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average daylight / Average sunshine
Fort Mill, SC

Average daylight / Average sunshine - Fort Mill, SC

The month with the longest days is June (Average daylight: 14h and 28min).
The month with the shortest days is December (Average daylight: 9h and 51min).

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average sunshine days
Fort Mill, SC

Average sunshine days - Fort Mill, SC

The month with the most sunshine days is October (22 days).
The month with the least sunshine days is July (11.8 days).

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Average visibility
Fort Mill, SC

Average visibility - Fort Mill, 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).

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