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). Marion witnesses the coldest weather in January, with temperatures averaging a high of 52.3°F (11.3°C) and a low of 36.9°F (2.7°C). Weather in January »

Weather in February

February, the last month of the winter in Marion, is a refreshing month, with an average temperature fluctuating between 56.8°F (13.8°C) and 39.6°F (4.2°C). With February's advent, Marion sees an average high-temperature of a moderate 56.8°F (13.8°C), subtly shifted from January's 52.3°F (11.3°C). Weather in February »

Weather in March

The first month of the spring, March, is a comfortable month in Marion, South Carolina, with an average temperature varying between 45.5°F (7.5°C) and 63.3°F (17.4°C). Marion in March experiences a slight uptick in the average high-temperature, adjusting from February's 56.8°F (13.8°C) to a still refreshing 63.3°F (17.4°C). Weather in March »

Weather in April

April is a pleasant spring month in Marion, South Carolina, with an average temperature ranging between min 54.1°F (12.3°C) and max 72.1°F (22.3°C). April brings a slight increase in the average high-temperature, progressing from a comfortable 63.3°F (17.4°C) in March to a pleasant 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 temperature in the range of an average high of 79.7°F (26.5°C) and an average low of 62.6°F (17°C). May brings a slight rise in Marion's average high-temperature, moving 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

The first month of the summer, June, is a hot month in Marion, South Carolina, with temperature in the range of an average high of 86.5°F (30.3°C) and an average low of 69.3°F (20.7°C). The beginning of June signals a minor rise in the average high-temperature, moving from a moderately hot 79.7°F (26.5°C) in May to a hot 86.5°F (30.3°C). Weather in June »

Weather in July

July, the same as June, in Marion, South Carolina, is another hot summer month, with an average temperature ranging between max 89.4°F (31.9°C) and min 72.3°F (22.4°C). Marion registers the highest average temperatures during the month of July, with peaks of 89.4°F (31.9°C) and lows of 72.3°F (22.4°C). Throughout July, the heat index is calculated to be a blisteringly hot 107.6°F (42°C). Weather in July »

Weather in August

The last month of the summer, August, is another hot month in Marion, South Carolina, with an average temperature ranging between min 71.4°F (21.9°C) and max 88.3°F (31.3°C). Marion's average high-temperature in August is a still hot 88.3°F (31.3°C), indicating a subtle variation from July. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Marion, South Carolina, with an average temperature fluctuating between 66.2°F (19°C) and 83.3°F (28.5°C). As Marion steps into September, the average high-temperature holds at a warm 83.3°F (28.5°C), hinting at a minor fluctuation from the prior month. Weather in September »

Weather in October

October, the same as September, is another warm 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). In October, the average high-temperature decreases from a moderately hot 83.3°F (28.5°C) in September to a still warm 73.6°F (23.1°C). Weather in October »

Weather in November

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

Weather in December

December, the first month of the winter in Marion, is still a mild 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). Transitioning from November to December involves a subtle drop in average high-temperatures, descending from an enjoyable 62.2°F (16.8°C) to a still refreshing 56.5°F (13.6°C). Weather in December »
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

January stands out as Marion's coldest month, with temperatures ranging between an average high of 52.3°F (11.3°C) and a low of 36.9°F (2.7°C).

What are the least humid months?

The months with the lowest humidity are January and November, with an average relative humidity of 73%.

What is the driest month?

January is the month with the least rainfall. Rain falls for 10.6 days and accumulates 1.54" (39mm) of precipitation.

How much does it rain in Marion?

In Marion, South Carolina, during the entire year, the rain falls for 171 days and collects up to 34.29" (871mm) of precipitation.

When does it snow?

Months with snowfall are January through March and December.

How much does it snow?

In Marion, 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?

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

When is the lowest UV index?

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

When does it snow the most?

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

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 it does not snow?

April through November are months without snowfall.

What are the most humid months in Marion?

May, August and September, with an average relative humidity of 78%, are most humid months.

When are the longest days?

The month with the longest days is June, with an average of 14h and 24min of daylight.

When is the highest UV index?

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

What part of the year is the hottest?

The warmest time of the year is July, with temperatures averaging a high of 89.4°F (31.9°C) and a low of 72.3°F (22.4°C).

What month has the most sunshine in Marion?

July has the most sunshine of the year, with an average of 10.8h of sunshine.

What is the rainiest month?

August is the month with the most rainfall in Marion. Rain falls for 19.6 days and accumulates 4.09" (104mm) of precipitation.

What is the month with the shortest days?

The month with the shortest days is December, 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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