Climate and monthly weather forecastBlair, SC
Climate and monthly weather forecast
Weather in January
January, like December, in Blair, South Carolina, is a cool winter month, with temperature in the range of an average high of 51.4°F (10.8°C) and an average low of 35.1°F (1.7°C). The coldest period tends to be January, when average temperatures fluctuate between a high of 51.4°F (10.8°C) and a low of 35.1°F (1.7°C). Weather in January »Weather in February
The last month of the winter, February, is a mild month in Blair, South Carolina, with an average temperature varying between 55.8°F (13.2°C) and 38.8°F (3.8°C). As Blair transitions into February, the average high-temperature stands at a mild 55.8°F (13.2°C), offering little variation from the preceding month. Weather in February »Weather in March
March, the first month of the spring in Blair, is a refreshing month, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 63.1°F (17.3°C). March's arrival signals a subtle increase in average high-temperatures, moving from February's moderate 55.8°F (13.2°C) to a still refreshing 63.1°F (17.3°C). Weather in March »Weather in April
April is a warm spring month in Blair, South Carolina, with an average temperature fluctuating between 52.9°F (11.6°C) and 73.4°F (23°C). In Blair, the average high-temperature in April rises, from an enjoyable 63.1°F (17.3°C) in March, to a warm 73.4°F (23°C). Weather in April »Weather in May
May, the last month of the spring in Blair, is also a moderately hot month, with an average temperature ranging between min 60.4°F (15.8°C) and max 81.1°F (27.3°C). The shift into May is marked by a modest rise in the average high-temperature, moving from April's 73.4°F (23°C) to a still moderately hot 81.1°F (27.3°C). Weather in May »Weather in June
The first month of the summer, June, is a hot month in Blair, South Carolina, with an average temperature varying between 67.6°F (19.8°C) and 89.2°F (31.8°C). June's onset brings a minor rise in the average high-temperature, moving from a moderately hot 81.1°F (27.3°C) in May to a tropical 89.2°F (31.8°C). Weather in June »Weather in July
July, like June, is a hot summer month in Blair, South Carolina, with an average temperature varying between 92.1°F (33.4°C) and 70.9°F (21.6°C). In Blair, the highest average temperatures are observed in July, with a high of 92.1°F (33.4°C) and a low of 70.9°F (21.6°C). For July, the heat index is evaluated at a life-threatening hot 113°F (45°C). Weather in July »Weather in August
August, the last month of the summer in Blair, is also a hot month, with an average temperature varying between 69.4°F (20.8°C) and 90.5°F (32.5°C). August's advent presents an average high-temperature of a still hot 90.5°F (32.5°C), indicating a slight variation from the conditions of the previous month. Weather in August »Weather in September
September, the first month of the autumn in Blair, is still a warm month, with temperature in the range of an average low of 64.8°F (18.2°C) and an average high of 85.1°F (29.5°C). The average high-temperature shows a slight dip in September, from August's hot 90.5°F (32.5°C) to a warm 85.1°F (29.5°C). Weather in September »Weather in October
October, the same as September, in Blair, South Carolina, is an agreeable autumn month, with temperature in the range of an average low of 53.4°F (11.9°C) and an average high of 73°F (22.8°C). With October's arrival, Blair's weather changes as the average high-temperature falls from a warm 85.1°F (29.5°C) in September to an agreeable 73°F (22.8°C). Weather in October »Weather in November
November, the last month of the autumn in Blair, is another comfortable month, with temperature in the range of an average high of 61.7°F (16.5°C) and an average low of 43.3°F (6.3°C). With November's arrival, Blair sees a decrease in average high-temperatures, moving from an agreeable 73°F (22.8°C) in October to a comfortable 61.7°F (16.5°C). Weather in November »Weather in December
December, the first month of the winter in Blair, is still a cool month, with temperature in the range of an average low of 39.7°F (4.3°C) and an average high of 54.9°F (12.7°C). December's onset brings a negligible change in high-temperatures, falling from a comfortable 61.7°F (16.5°C) in November to a fresh 54.9°F (12.7°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Blair, SC
The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (51.4°F).
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (35.1°F).
Average pressure
Blair, 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:
30"Hg - Average pressure in September:
30.03"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 (29.98"Hg).
Average wind speed
Blair, SC
- Average wind speed in January:
7.1mph - Average wind speed in February:
7.2mph - Average wind speed in March:
7.2mph - Average wind speed in April:
7.4mph - Average wind speed in May:
6mph - Average wind speed in June:
5.3mph
- Average wind speed in July:
5mph - Average wind speed in August:
4.6mph - Average wind speed in September:
5.2mph - Average wind speed in October:
6.1mph - Average wind speed in November:
6.2mph - Average wind speed in December:
6.6mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity
Blair, SC
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall
Blair, SC
- Average rainfall in January:
2.4" - Average rainfall in February:
2.4" - Average rainfall in March:
2.28" - Average rainfall in April:
2.83" - Average rainfall in May:
2.48" - Average rainfall in June:
2.17"
- Average rainfall in July:
2.32" - Average rainfall in August:
2.8" - Average rainfall in September:
1.42" - Average rainfall in October:
2.01" - Average rainfall in November:
2.32" - Average rainfall in December:
3.23"
The wettest month (with the highest rainfall) is December (3.23").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days
Blair, SC
- Average rainfall days in January:
10.7 days - Average rainfall days in February:
11.1 days - Average rainfall days in March:
13.8 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
14.4 days - Average rainfall days in June:
13.9 days
- Average rainfall days in July:
15.7 days - Average rainfall days in August:
15.3 days - Average rainfall days in September:
10.4 days - Average rainfall days in October:
8.8 days - Average rainfall days in November:
9.3 days - Average rainfall days in December:
11.2 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is October (8.8 days).
Average snowfall
Blair, SC
The month with the highest snowfall is January (0.79").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days
Blair, SC
- Average snowfall days in January:
0.9 days - Average snowfall days in February:
0.7 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:
0.3 days
The month with the highest number of snowfall days is January (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Blair, 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 30min - Average sunshine in March:
7h and 12min - Average sunshine in April:
8h and 54min - 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 24min - Average sunshine in September:
8h and 24min - Average sunshine in October:
6h and 36min - Average sunshine in November:
5h and 48min - Average sunshine in December:
5h and 18min
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 18min).
Average sunshine days
Blair, SC
- Average sunshine days in January:
18.9 days - Average sunshine days in February:
15.4 days - Average sunshine days in March:
15.9 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
14.7 days - Average sunshine days in June:
14.4 days
- Average sunshine days in July:
12.6 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
18 days - Average sunshine days in October:
21.5 days - Average sunshine days in November:
19.6 days - Average sunshine days in December:
18.6 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is July (12.6 days).
Average UV index
Blair, SC
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover
Blair, SC
The months with the most cloud cover are February and December (Cloud cover 43).
The months with the least cloud cover are June, July and October (Cloud cover 30).
Average visibility
Blair, 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).





