Climate and monthly weather forecastGreat Falls, SC
Climate and monthly weather forecast
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 »Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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.
January through March, November and December are months with snowfall.
Throughout the year, there are 2.2 snowfall days, and 1.5" (38mm) of snow is accumulated.
January is the month with the lowest UV index, with an average maximum UV index of 2.
February is the month with the most snowfall in Great Falls. Snow falls for 0.8 days and accumulates 0.83" (21mm) of snow.
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.
April through October are months without snowfall.
The months with the highest humidity are May and December, with an average relative humidity of 75%.
June has the longest days of the year in Great Falls, with an average of 14h and 24min of daylight.
The months with the highest UV index in Great Falls are June and July, with an average maximum UV index of 7.
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.
The months with the lowest humidity in Great Falls, South Carolina, are July and November, with an average relative humidity of 71%.
July has the most sunshine of the year, with an average of 10.8h of sunshine.
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.
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.
December has the shortest days of the year in Great Falls, South Carolina, with an average of 9h and 54min of daylight.
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
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).
Average pressure
Great Falls, SC
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30.02"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
29.99"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed
Great Falls, SC
- Average wind speed in January:
7.4mph - Average wind speed in February:
7.9mph - Average wind speed in March:
7.8mph - Average wind speed in April:
8mph - Average wind speed in May:
6.5mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.4mph - Average wind speed in November:
6.5mph - Average wind speed in December:
6.9mph
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).
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%).
Average rainfall
Great Falls, SC
- Average rainfall in January:
2.24" - Average rainfall in February:
2.2" - Average rainfall in March:
2.36" - Average rainfall in April:
2.87" - Average rainfall in May:
2.76" - Average rainfall in June:
2.32"
- Average rainfall in July:
2.52" - Average rainfall in August:
3.19" - Average rainfall in September:
1.77" - Average rainfall in October:
1.97" - Average rainfall in November:
2.28" - Average rainfall in December:
3.03"
The wettest month (with the highest rainfall) is August (3.19").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days
Great Falls, SC
- Average rainfall days in January:
10.8 days - Average rainfall days in February:
11.3 days - Average rainfall days in March:
13.4 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
15.8 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
17.2 days - Average rainfall days in August:
16.2 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
8.4 days - Average rainfall days in November:
9 days - Average rainfall days in December:
10.8 days
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).
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").
Average snowfall days
Great Falls, SC
- Average snowfall days in January:
0.8 days - Average snowfall days in February:
0.8 days - Average snowfall days in March:
0.3 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.1 days - Average snowfall days in December:
0.2 days
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).
Average daylight / Average sunshine
Great Falls, SC
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 24min
- Average daylight in July:
14h and 12min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
9h and 54min
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).
- Average sunshine in January:
5h and 30min - Average sunshine in February:
6h and 24min - Average sunshine in March:
7h and 18min - Average sunshine in April:
9h and 0min - Average sunshine in May:
9h and 48min - Average sunshine in June:
10h and 42min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 48min - Average sunshine in October:
6h and 36min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 24min
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).
Average sunshine days
Great Falls, SC
- Average sunshine days in January:
18.6 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
14 days - Average sunshine days in May:
13.3 days - Average sunshine days in June:
13.9 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
12.7 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
21.3 days - Average sunshine days in November:
19.6 days - Average sunshine days in December:
19.1 days
The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is July (11.8 days).
Average UV index
Great Falls, SC
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover
Great Falls, SC
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 29).
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).
