Climate and monthly weather forecast
Marion, SC

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Weather in January

January, like December, in Marion, South Carolina, is a cool winter month, with an average temperature ranging between max 52.3°F (11.3°C) and min 36.9°F (2.7°C). January, noted for its average high-temperature of 52.3°F (11.3°C) and an average low-temperature of 36.9°F (2.7°C), is considered the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Marion, is a mild month, with temperature in the range of an average low of 39.6°F (4.2°C) and an average high of 56.8°F (13.8°C). Welcoming February, Marion notes an average high-temperature of a moderate 56.8°F (13.8°C), nearly consistent with January's 52.3°F (11.3°C). Weather in February »

Weather in March

March, the first month of the spring in Marion, is a refreshing month, with an average temperature varying between 45.5°F (7.5°C) and 63.3°F (17.4°C). In March, the average high-temperature marginally rises from a mild 56.8°F (13.8°C) in February to an enjoyable 63.3°F (17.4°C). Weather in March »

Weather in April

April in Marion, South Carolina, is a pleasant spring month, with an average temperature fluctuating between 54.1°F (12.3°C) and 72.1°F (22.3°C). Marion perceives a slight temperature ascent during April, with average high-temperatures adjusting from an enjoyable 63.3°F (17.4°C) in March to an agreeable 72.1°F (22.3°C). Weather in April »

Weather in May

May, the last month of the spring in Marion, is a moderately hot month, with an average temperature fluctuating between 79.7°F (26.5°C) and 62.6°F (17°C). With the onset of May, the average high-temperature subtly transitions from a pleasant 72.1°F (22.3°C) in April to a moderately hot 79.7°F (26.5°C). Weather in May »

Weather in June

June, the first month of the summer in Marion, is a tropical month, with an average temperature varying between 69.3°F (20.7°C) and 86.5°F (30.3°C). The arrival of June witnesses a small shift in the average high-temperature, moving from a warm 79.7°F (26.5°C) in May to a hot 86.5°F (30.3°C). Weather in June »

Weather in July

July, like June, is another tropical summer month in Marion, South Carolina, with an average temperature ranging between max 89.4°F (31.9°C) and min 72.3°F (22.4°C). July is the warmest month, with the temperature often reaching an average high of 89.4°F (31.9°C) and an average low of 72.3°F (22.4°C). During July, the heat index is appraised at a scorching 107.6°F (42°C). Weather in July »

Weather in August

The last month of the summer, August, is also a hot month in Marion, South Carolina, with temperature in the range of an average high of 88.3°F (31.3°C) and an average low of 71.4°F (21.9°C). Marion ushers in August with an average high-temperature of a still tropical 88.3°F (31.3°C), showing a close resemblance to the previous month. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Marion, South Carolina, with an average temperature ranging between max 83.3°F (28.5°C) and min 66.2°F (19°C). Marion, South Carolina, indicates an average high-temperature of a moderately hot 83.3°F (28.5°C) in September, showing minor variation 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 Marion, South Carolina, with temperature in the range of an average high of 73.6°F (23.1°C) and an average low of 55.4°F (13°C). The start of October comes with a reduction in the average high-temperature, receding from a warm 83.3°F (28.5°C) in September to a still moderately hot 73.6°F (23.1°C). Weather in October »

Weather in November

November, the last month of the autumn in Marion, is also an enjoyable month, with an average temperature fluctuating between 44.8°F (7.1°C) and 62.2°F (16.8°C). The start of November involves a temperature drop, moving from a moderately hot 73.6°F (23.1°C) in October to a refreshing 62.2°F (16.8°C). Weather in November »

Weather in December

December, the first month of the winter in Marion, is also a moderate month, with temperature in the range of an average low of 40.8°F (4.9°C) and an average high of 56.5°F (13.6°C). In Marion, the average high-temperature in December gently drops from an enjoyable 62.2°F (16.8°C) in November to a moderate 56.5°F (13.6°C). Weather in December »
Updated: Feb 13, 2024 | Published by: Weather U.S. | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What time of the year is the coldest in Marion?

January is the coldest month of the year in Marion, registering average temperatures as high as 52.3°F (11.3°C) and as low as 36.9°F (2.7°C).

What is the least humid month in Marion?

January and November, with an average relative humidity of 73%, are the least humid months in Marion.

What is the driest month in Marion?

The month with the least rainfall is January, when the rain falls for 10.6 days and typically collects 1.54" (39mm) of precipitation.

How much does it rain in Marion?

Throughout the year, in Marion, there are 171 rainfall days, and 34.29" (871mm) of precipitation is accumulated.

When does it snow in Marion?

January through March and December are months with snowfall in Marion.

How much does it snow in Marion?

In Marion, South Carolina, during the entire year, snow falls for 1.6 days and aggregates up to 1.1" (28mm) of snow.

What is the month with the least sunshine in Marion?

The months with the least sunshine are January and December, with an average of 5.6h of sunshine.

When is the lowest UV index in Marion?

January is the month with the lowest UV index in Marion, South Carolina, with an average maximum UV index of 2.

When does it snow the most in Marion?

February is the month with the most snowfall in Marion. Snow falls for 0.7 days and accumulates 0.63" (16mm) of snow.

When is Daylight Saving Time (DST) in Marion?

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 it does not snow in Marion?

April through November are months without snowfall.

What is the most humid month in Marion?

The months with the highest humidity in Marion, South Carolina, are May, August and September, with an average relative humidity of 78%.

When are the longest days in Marion?

With an average of 14h and 24min of daylight, June has the longest days of the year in Marion, South Carolina.

What is the month with the highest UV index in Marion?

The months with the highest UV index in Marion, South Carolina, are June and July, with an average maximum UV index of 7.

What month is the hottest in Marion?

Marion's July weather, marked by an average high temperature of 89.4°F (31.9°C) and an average low temperature of 72.3°F (22.4°C), is the warmest in the year.

What month has the most sunshine in Marion?

July has the most sunshine of the year in Marion, South Carolina, with an average of 10.8h of sunshine.

What is the wettest month in Marion?

The month with the most rainfall in Marion is August, when the rain falls for 19.6 days and typically aggregates up to 4.09" (104mm) of precipitation.

What is the month with the shortest days in Marion?

December has the shortest days of the year in Marion, South Carolina, with an average of 9h and 54min of daylight.

Average temperature
Marion, SC

Average temperature - Marion, SC

The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (52.3°F).

The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (36.9°F).

Average pressure
Marion, SC

Average pressure - Marion, SC

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed
Marion, SC

Average wind speed - Marion, SC

The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity
Marion, SC

Average humidity - Marion, SC

The months with the highest relative humidity are May, August and September (78%).
The months with the lowest relative humidity are January and November (73%).

Average rainfall
Marion, SC

Average rainfall - Marion, SC

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (1.54").

Average rainfall days
Marion, SC

Average rainfall days - Marion, SC

The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is October (8.7 days).

Average snowfall
Marion, SC

Average snowfall - Marion, SC

The month with the highest snowfall is February (0.63").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days
Marion, SC

Average snowfall days - Marion, SC

The months with the highest number of snowfall days are January and February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight / Average sunshine
Marion, SC

Average daylight / Average sunshine - Marion, SC

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).

Average sunshine days
Marion, SC

Average sunshine days - Marion, SC

The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is July (8 days).

Average visibility
Marion, SC

Average visibility - Marion, 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).

Marion, South Carolina, USA

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