Climate and monthly weather forecast
Great Falls, SC

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Weather in January

January, the same as December, is a cool winter month in Great Falls, South Carolina, with an average temperature ranging between max 50.9°F (10.5°C) and min 35.6°F (2°C). The coldest period is January, when temperatures fluctuate between an average high of 50.9°F (10.5°C) and a low of 35.6°F (2°C). Weather in January »

Weather in February

The last month of the winter, February, is a refreshing month in Great Falls, South Carolina, with temperature in the range of an average low of 39°F (3.9°C) and an average high of 55.4°F (13°C). Great Falls's average high-temperature in February is a moderate 55.4°F (13°C), indicating a subtle variation from January. Weather in February »

Weather in March

The first month of the spring, March, is a comfortable month in Great Falls, South Carolina, with temperature in the range of an average high of 62.4°F (16.9°C) and an average low of 44.4°F (6.9°C). Great Falls's March weather indicates a minor increase in high-temperatures, edging from February's mild 55.4°F (13°C) to a still refreshing 62.4°F (16.9°C). Weather in March »

Weather in April

April in Great Falls, South Carolina, is a pleasant spring month, with an average temperature fluctuating between 53.4°F (11.9°C) and 72.3°F (22.4°C). April's arrival coincides with a temperature rise, moving from March's enjoyable 62.4°F (16.9°C) to an agreeable 72.3°F (22.4°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Great Falls, South Carolina, with temperature in the range of an average low of 61.2°F (16.2°C) and an average high of 79.9°F (26.6°C). May witnesses a subtle temperature ascent, adjusting from a pleasant 72.3°F (22.4°C) in April to a moderately hot 79.9°F (26.6°C). Weather in May »

Weather in June

The first month of the summer, June, is a tropical month in Great Falls, South Carolina, with an average temperature varying between 68.4°F (20.2°C) and 87.4°F (30.8°C). The coming of June brings a minor shift in Great Falls's weather, with average high-temperatures adjusting from May's warm 79.9°F (26.6°C) to a tropical 87.4°F (30.8°C). Weather in June »

Weather in July

July, the same as June, in Great Falls, South Carolina, is another tropical summer month, with temperature in the range of an average high of 91°F (32.8°C) and an average low of 71.2°F (21.8°C). In Great Falls, the month of July registers the highest temperatures, averaging 91°F (32.8°C) at the peak and 71.2°F (21.8°C) at the lowest. July's heat index is appraised at a scorching 109.4°F (43°C). Weather in July »

Weather in August

August, the last month of the summer in Great Falls, is another hot month, with an average temperature ranging between min 70.3°F (21.3°C) and max 88.9°F (31.6°C). The advent of August denotes an average high-temperature of a still tropical 88.9°F (31.6°C), subtly different from July's 91°F (32.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Great Falls, South Carolina, with an average temperature fluctuating between 65.3°F (18.5°C) and 83.5°F (28.6°C). September heralds a minor drop in average high-temperature, sliding from August's tropical 88.9°F (31.6°C) to a warm 83.5°F (28.6°C). Weather in September »

Weather in October

October, like September, is an agreeable autumn month in Great Falls, South Carolina, with an average temperature ranging between max 72.9°F (22.7°C) and min 54.1°F (12.3°C). The arrival of October corresponds with a shift in temperature, down from a moderately hot 83.5°F (28.6°C) in September to an agreeable 72.9°F (22.7°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an enjoyable month in Great Falls, South Carolina, with an average temperature fluctuating between 43.9°F (6.6°C) and 60.8°F (16°C). November ushers in a slight temperature change, with average high-temperatures reducing from October's agreeable 72.9°F (22.7°C) to a comfortable 60.8°F (16°C). Weather in November »

Weather in December

December, the first month of the winter in Great Falls, is also a fresh month, with an average temperature fluctuating between 54.5°F (12.5°C) and 40.1°F (4.5°C). A moderate decline in average high-temperatures is noted in December, moving from a refreshing 60.8°F (16°C) in November to a fresh 54.5°F (12.5°C). Weather in December »
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Frequently asked questions

What is the coldest time of year in Great Falls?

January proves to be the coldest month in Great Falls, recording an average maximum temperature of 50.9°F (10.5°C) and a minimum temperature of 35.6°F (2°C).

How much does it rain in Great Falls?

In Great Falls, South Carolina, during the entire year, the rain falls for 152.5 days and collects up to 29.53" (750mm) of precipitation.

When does it snow in Great Falls?

January through March, November and December are months with snowfall.

How much does it snow in Great Falls?

Throughout the year, there are 2.2 snowfall days, and 1.5" (38mm) of snow is accumulated.

When is the lowest UV index in Great Falls?

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

What is the snowiest month in Great Falls?

February is the month with the most snowfall in Great Falls. Snow falls for 0.8 days and accumulates 0.83" (21mm) of snow.

When is Daylight Saving Time (DST) in Great Falls?

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 Great Falls?

April through October are months without snowfall.

What is the most humid month in Great Falls?

The months with the highest humidity are May and December, with an average relative humidity of 75%.

When are the longest days in Great Falls?

June has the longest days of the year in Great Falls, with an average of 14h and 24min of daylight.

What are the months with the highest UV index in Great Falls?

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

What is the warmest month in Great Falls?

July registers as the month with the average highest temperatures in Great Falls, reaching 91°F (32.8°C) at its peak and 71.2°F (21.8°C) at the lowest.

What is the least humid month in Great Falls?

The months with the lowest humidity in Great Falls, South Carolina, are July and November, with an average relative humidity of 71%.

What month has the most sunshine in Great Falls?

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

What is the wettest month in Great Falls?

The month with the most rainfall is August, when the rain falls for 16.2 days and typically aggregates up to 3.19" (81mm) of precipitation.

What is the driest month in Great Falls?

The month with the least rainfall in Great Falls, South Carolina, is September, when the rain falls for 11.5 days and typically collects 1.77" (45mm) of precipitation.

What is the month with the shortest days in Great Falls?

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

What is the month with the least sunshine in Great Falls?

December has the least sunshine of the year in Great Falls, South Carolina, with an average of 5.4h of sunshine.

Average temperature
Great Falls, SC

Average temperature - Great Falls, SC

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.9°F).

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (35.6°F).

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Average pressure
Great Falls, SC

Average pressure - Great Falls, SC

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed
Great Falls, SC

Average wind speed - Great Falls, SC

The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity
Great Falls, SC

Average humidity - Great Falls, SC

The months with the highest relative humidity are May and December (75%).
The months with the lowest relative humidity are July and November (71%).

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Average rainfall
Great Falls, SC

Average rainfall - Great Falls, SC

The wettest month (with the highest rainfall) is August (3.19").
The driest month (with the least rainfall) is September (1.77").

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Average rainfall days
Great Falls, SC

Average rainfall days - Great Falls, SC

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is October (8.4 days).

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Average snowfall
Great Falls, SC

Average snowfall - Great Falls, SC

The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
Great Falls, SC

Average snowfall days - Great Falls, SC

The months with the highest number of snowfall days are January and February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Great Falls, SC

Average daylight / Average sunshine - Great Falls, 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 month with the least sunshine is December (Average sunshine: 5h and 24min).

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Average sunshine days
Great Falls, SC

Average sunshine days - Great Falls, SC

The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is July (11.8 days).

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Average visibility
Great Falls, SC

Average visibility - Great Falls, 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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Great Falls, South Carolina, USA

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