Climate and monthly weather forecastGraniteville, SC
Climate and monthly weather forecast
Weather in January
January, the same as December, is a cool winter month in Graniteville, South Carolina, with an average temperature fluctuating between 53.8°F (12.1°C) and 37.9°F (3.3°C). January, characterized by an average high temperature of 53.8°F (12.1°C) and a low temperature of 37.9°F (3.3°C), is generally the coldest month. Weather in January »Weather in February
February, the last month of the winter in Graniteville, is a mild month, with an average temperature ranging between max 58.5°F (14.7°C) and min 41.5°F (5.3°C). The arrival of February coincides with an average high-temperature of a moderate 58.5°F (14.7°C), indicating a minimal shift from January's 53.8°F (12.1°C). Weather in February »Weather in March
The first month of the spring, March, is a comfortable month in Graniteville, South Carolina, with temperature in the range of an average high of 65.3°F (18.5°C) and an average low of 47.5°F (8.6°C). Graniteville's weather in March shows a minor rise in the average high-temperature, moving slightly up from February's moderate 58.5°F (14.7°C) to a comfortable 65.3°F (18.5°C). Weather in March »Weather in April
April is a warm spring month in Graniteville, South Carolina, with an average temperature fluctuating between 55.8°F (13.2°C) and 74.3°F (23.5°C). A rise in the average high-temperature is observed during April, moving from a comfortable 65.3°F (18.5°C) in March to a moderately hot 74.3°F (23.5°C). Weather in April »Weather in May
The last month of the spring, May, is also a moderately hot month in Graniteville, South Carolina, with temperature in the range of an average low of 63.1°F (17.3°C) and an average high of 81.5°F (27.5°C). May signals a minor shift in the average high-temperature, moving from April's 74.3°F (23.5°C) to a still warm 81.5°F (27.5°C). Weather in May »Weather in June
The first month of the summer, June, is a tropical month in Graniteville, South Carolina, with an average temperature varying between 89.2°F (31.8°C) and 70.3°F (21.3°C). The shift from May to June introduces a subtle increase in the average high-temperature, moving from a moderately hot 81.5°F (27.5°C) to a tropical 89.2°F (31.8°C). Weather in June »Weather in July
July, like June, is another hot summer month in Graniteville, South Carolina, with an average temperature fluctuating between 91.8°F (33.2°C) and 73.4°F (23°C). July is the warmest month of the year, registering average temperatures as high as 91.8°F (33.2°C) and as low as 73.4°F (23°C). July's mean heat index is estimated at an extremely hot 111.2°F (44°C). Weather in July »Weather in August
August, the last month of the summer in Graniteville, is another tropical month, with temperature in the range of an average low of 72.5°F (22.5°C) and an average high of 90.5°F (32.5°C). As Graniteville steps into August, the average high-temperature holds at a still tropical 90.5°F (32.5°C), hinting at a minor fluctuation from the prior month. Weather in August »Weather in September
September, the first month of the autumn in Graniteville, is still a warm month, with an average temperature ranging between max 85.1°F (29.5°C) and min 67.3°F (19.6°C). The onset of September is marked by a minor decrease in temperature, transitioning from a tropical 90.5°F (32.5°C) in August to a warm 85.1°F (29.5°C). Weather in September »Weather in October
October, the same as September, is another warm autumn month in Graniteville, South Carolina, with temperature in the range of an average high of 74.3°F (23.5°C) and an average low of 56.8°F (13.8°C). In the transition to October, Graniteville observes a drop in the average high-temperature, moving from a warm 85.1°F (29.5°C) in September to a still moderately hot 74.3°F (23.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another comfortable month in Graniteville, South Carolina, with temperature in the range of an average low of 46.2°F (7.9°C) and an average high of 63°F (17.2°C). A shift in Graniteville's weather is observed as October turns into November, with the average high temperature reducing from a warm 74.3°F (23.5°C) to a refreshing 63°F (17.2°C). Weather in November »Weather in December
The first month of the winter, December, is still a refreshing month in Graniteville, South Carolina, with temperature in the range of an average high of 57°F (13.9°C) and an average low of 43°F (6.1°C). December ushers in a minute temperature change, with average high-temperatures reducing from November's comfortable 63°F (17.2°C) to a still refreshing 57°F (13.9°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Graniteville, SC
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (53.8°F).
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure
Graniteville, 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:
29.98"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.14"Hg
The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed
Graniteville, SC
- Average wind speed in January:
8.1mph - Average wind speed in February:
8.4mph - Average wind speed in March:
8.4mph - Average wind speed in April:
8.4mph - Average wind speed in May:
7.1mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.9mph - Average wind speed in August:
5.5mph - Average wind speed in September:
6.2mph - Average wind speed in October:
7mph - Average wind speed in November:
7.3mph - Average wind speed in December:
7.6mph
The windiest months (with the highest average wind speed) are February, March and April (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity
Graniteville, SC
The month with the highest relative humidity is December (75%).
The months with the lowest relative humidity are July and November (69%).
Average rainfall
Graniteville, SC
- Average rainfall in January:
1.85" - Average rainfall in February:
2.44" - Average rainfall in March:
2.13" - Average rainfall in April:
2.87" - Average rainfall in May:
2.64" - Average rainfall in June:
1.89"
- Average rainfall in July:
2.24" - Average rainfall in August:
2.68" - Average rainfall in September:
1.5" - Average rainfall in October:
2.05" - Average rainfall in November:
1.93" - Average rainfall in December:
2.99"
The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days
Graniteville, SC
- Average rainfall days in January:
10 days - Average rainfall days in February:
10.8 days - Average rainfall days in March:
13.3 days - Average rainfall days in April:
11.9 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
16.6 days - Average rainfall days in September:
11.7 days - Average rainfall days in October:
8.2 days - Average rainfall days in November:
7.8 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (7.8 days).
Average snowfall
Graniteville, SC
The month with the highest snowfall is January (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days
Graniteville, SC
- Average snowfall days in January:
0.5 days - Average snowfall days in February:
0.3 days - Average snowfall days in March:
0.1 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:
0.1 days
The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Graniteville, 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 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 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:
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 36min - Average sunshine in February:
6h and 54min - Average sunshine in March:
7h and 24min - Average sunshine in April:
9h and 6min - Average sunshine in May:
10h and 6min - Average sunshine in June:
10h and 48min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 36min - Average sunshine in October:
6h and 54min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 24min
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 24min).
Average sunshine days
Graniteville, SC
- Average sunshine days in January:
19.1 days - Average sunshine days in February:
16.2 days - Average sunshine days in March:
15.7 days - Average sunshine days in April:
16.3 days - Average sunshine days in May:
15.1 days - Average sunshine days in June:
13.8 days
- Average sunshine days in July:
11.6 days - Average sunshine days in August:
11.8 days - Average sunshine days in September:
16.4 days - Average sunshine days in October:
21.3 days - Average sunshine days in November:
20.4 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 (11.6 days).
Average UV index
Graniteville, SC
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover
Graniteville, SC
The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility
Graniteville, 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).





