Climate and monthly weather forecastSandy, SC
Climate and monthly weather forecast
Weather in January
January, the same as December, in Sandy, South Carolina, is a moderate winter month, with an average temperature ranging between max 56.8°F (13.8°C) and min 42.8°F (6°C). The coldest period tends to be January, when average temperatures fluctuate between a high of 56.8°F (13.8°C) and a low of 42.8°F (6°C). Weather in January »Weather in February
February, the last month of the winter in Sandy, is also a moderate month, with an average temperature fluctuating between 45.9°F (7.7°C) and 60.6°F (15.9°C). As Sandy welcomes February, the average high-temperature stabilizes at a still mild 60.6°F (15.9°C), showing little deviation from January's 56.8°F (13.8°C). Weather in February »Weather in March
March, the first month of the spring in Sandy, is an enjoyable month, with an average temperature varying between 66.2°F (19°C) and 51.6°F (10.9°C). With the start of March, the average high-temperature marginally shifts from February's moderate 60.6°F (15.9°C) to a comfortable 66.2°F (19°C). Weather in March »Weather in April
April is a moderately hot spring month in Sandy, South Carolina, with an average temperature varying between 59°F (15°C) and 74.1°F (23.4°C). April's arrival coincides with a subtle temperature rise, moving from March's comfortable 66.2°F (19°C) to a warm 74.1°F (23.4°C). Weather in April »Weather in May
May, the last month of the spring in Sandy, is another warm month, with temperature in the range of an average low of 66.7°F (19.3°C) and an average high of 80.8°F (27.1°C). With the beginning of May, Sandy's average high-temperature sees a minor increase, transitioning from a warm 74.1°F (23.4°C) in April to a still moderately hot 80.8°F (27.1°C). Weather in May »Weather in June
The first month of the summer, June, is a tropical month in Sandy, South Carolina, with an average temperature fluctuating between 73.4°F (23°C) and 87.1°F (30.6°C). With the onset of June, Sandy's weather sees a minor temperature rise, transitioning from a warm 80.8°F (27.1°C) in May to a tropical 87.1°F (30.6°C). Weather in June »Weather in July
July, like June, is another tropical summer month in Sandy, South Carolina, with an average temperature varying between 76.5°F (24.7°C) and 89.6°F (32°C). Sandy, South Carolina, reaches its highest average temperatures in July, measuring 89.6°F (32°C) at the peak and 76.5°F (24.7°C) at the lowest. For most parts of July, the heat index is computed to be a scorching 107.6°F (42°C). Weather in July »Weather in August
August, the last month of the summer in Sandy, is another hot month, with an average temperature varying between 88.3°F (31.3°C) and 76.3°F (24.6°C). The shift from July to August is characterized by an average high-temperature of a still hot 88.3°F (31.3°C), not significantly different from the 89.6°F (32°C) of July. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Sandy, South Carolina, with an average temperature fluctuating between 84.4°F (29.1°C) and 72°F (22.2°C). In September, Sandy experiences a minor shift in meteorological conditions with average high-temperatures marked at a moderately hot 84.4°F (29.1°C), closely mirroring the climate in August. Weather in September »Weather in October
October, the same as September, is another warm autumn month in Sandy, South Carolina, with an average temperature ranging between max 76.1°F (24.5°C) and min 62.1°F (16.7°C). A mild drop in Sandy's average high-temperature is observed in October, transitioning from a moderately hot 84.4°F (29.1°C) in September to a still warm 76.1°F (24.5°C). Weather in October »Weather in November
November, the last month of the autumn in Sandy, is also an enjoyable month, with temperature in the range of an average high of 65.8°F (18.8°C) and an average low of 51.8°F (11°C). During Sandy's transition into November, the average high-temperature lessens, moving from a moderately hot 76.1°F (24.5°C) in October to a refreshing 65.8°F (18.8°C). Weather in November »Weather in December
December, the first month of the winter in Sandy, is still a mild month, with temperature in the range of an average low of 47.3°F (8.5°C) and an average high of 60.4°F (15.8°C). The transition to December results in a modest reduction in average high-temperature, moving from an enjoyable 65.8°F (18.8°C) in November to a still refreshing 60.4°F (15.8°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Sandy, SC
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (56.8°F).
The month with the highest average low temperature is July (76.5°F).
The coldest month (with the lowest average low temperature) is January (42.8°F).
Average pressure
Sandy, 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:
30.03"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed
Sandy, SC
- Average wind speed in January:
7.8mph - Average wind speed in February:
8.1mph - Average wind speed in March:
8.1mph - Average wind speed in April:
8.3mph - Average wind speed in May:
7.5mph - Average wind speed in June:
7mph
- Average wind speed in July:
7mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.1mph - Average wind speed in October:
7.5mph - Average wind speed in November:
7.6mph - Average wind speed in December:
7.6mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity
Sandy, SC
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is March (72%).
Average rainfall
Sandy, SC
- Average rainfall in January:
0.67" - Average rainfall in February:
0.91" - Average rainfall in March:
1.14" - Average rainfall in April:
1.65" - Average rainfall in May:
1.42" - Average rainfall in June:
2.6"
- Average rainfall in July:
2.68" - Average rainfall in August:
4.29" - Average rainfall in September:
2.76" - Average rainfall in October:
1.89" - Average rainfall in November:
1.02" - Average rainfall in December:
2.4"
The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days
Sandy, SC
- Average rainfall days in January:
8.8 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
9.9 days - Average rainfall days in April:
11.4 days - Average rainfall days in May:
13.4 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
21.2 days - Average rainfall days in August:
22.7 days - Average rainfall days in September:
14.8 days - Average rainfall days in October:
9.7 days - Average rainfall days in November:
6.9 days - Average rainfall days in December:
9.5 days
The month with the highest number of rainy days is August (22.7 days).
The month with the least rainy days is November (6.9 days).
Average snowfall days
Sandy, SC
- Average snowfall days in January:
0.1 days - Average snowfall days in February:
0.1 days - Average snowfall days in March:
0 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 days - Average snowfall days in December:
0.3 days
The month with the highest number of snowfall days is December (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Sandy, SC
- Average daylight in January:
10h and 18min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 54min - Average daylight in June:
14h and 18min
- Average daylight in July:
14h and 6min - Average daylight in August:
13h and 18min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 30min - Average daylight in December:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
5h and 48min - Average sunshine in February:
6h and 36min - Average sunshine in March:
7h and 36min - Average sunshine in April:
9h and 42min - Average sunshine in May:
10h and 24min - Average sunshine in June:
10h and 48min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
10h and 42min - Average sunshine in September:
9h and 0min - Average sunshine in October:
6h and 42min - Average sunshine in November:
6h and 6min - Average sunshine in December:
5h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days
Sandy, SC
- Average sunshine days in January:
20.1 days - Average sunshine days in February:
17.2 days - Average sunshine days in March:
19.1 days - Average sunshine days in April:
17.7 days - Average sunshine days in May:
15.8 days - Average sunshine days in June:
9.7 days
- Average sunshine days in July:
6.9 days - Average sunshine days in August:
6.1 days - Average sunshine days in September:
11 days - Average sunshine days in October:
19.3 days - Average sunshine days in November:
20.4 days - Average sunshine days in December:
19 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is August (6.1 days).
Average UV index
Sandy, SC
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover
Sandy, SC
The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are June and July (Cloud cover 26).
Average visibility
Sandy, 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).





