Climate and monthly weather forecastWest Union, SC
Climate and monthly weather forecast
Weather in January
January, the same as December, in West Union, South Carolina, is another chilly winter month, with an average temperature ranging between max 48.7°F (9.3°C) and min 33.1°F (0.6°C). West Union's coldest month, January, registers temperatures that range from a high of 48.7°F (9.3°C) to a low of 33.1°F (0.6°C). Weather in January »Weather in February
The last month of the winter, February, is a cool month in West Union, South Carolina, with temperature in the range of an average high of 53.2°F (11.8°C) and an average low of 36.5°F (2.5°C). As February takes hold, the average high-temperature is a fresh 53.2°F (11.8°C), nearly mirroring that of the previous month. Weather in February »Weather in March
March, the first month of the spring in West Union, is a mild month, with temperature in the range of an average low of 42.1°F (5.6°C) and an average high of 60.6°F (15.9°C). March's arrival brings a modest temperature shift, moving from a fresh 53.2°F (11.8°C) in February to a moderate 60.6°F (15.9°C). Weather in March »Weather in April
April is an agreeable spring month in West Union, South Carolina, with an average temperature fluctuating between 70°F (21.1°C) and 49.8°F (9.9°C). West Union's weather shows a temperature rise with the arrival of April, moving from a moderate 60.6°F (15.9°C) in March to a pleasant 70°F (21.1°C). Weather in April »Weather in May
The last month of the spring, May, is a moderately hot month in West Union, South Carolina, with an average temperature ranging between max 78.4°F (25.8°C) and min 57.2°F (14°C). With the onset of May, West Union experiences a subtle temperature shift, with the average high-temperature moving from an agreeable 70°F (21.1°C) in April to a moderately hot 78.4°F (25.8°C). Weather in May »Weather in June
The first month of the summer, June, is a tropical month in West Union, South Carolina, with temperature in the range of an average high of 86.5°F (30.3°C) and an average low of 64.2°F (17.9°C). The average high-temperature mildly increases in June, edging from a warm 78.4°F (25.8°C) in May to a hot 86.5°F (30.3°C). Weather in June »Weather in July
July, the same as June, in West Union, South Carolina, is another hot summer month, with temperature in the range of an average high of 89.2°F (31.8°C) and an average low of 67.6°F (19.8°C). July, recognised by an average high temperature of 89.2°F (31.8°C) and a low of 67.6°F (19.8°C), is West Union's warmest month. The heat index value for July is evaluated at an extremely hot 104°F (40°C). Weather in July »Weather in August
August, the last month of the summer in West Union, is also a hot month, with an average temperature varying between 66.4°F (19.1°C) and 87.6°F (30.9°C). The onset of August brings with it an average high-temperature of a still hot 87.6°F (30.9°C), showing a negligible variation from the month before. Weather in August »Weather in September
September, the first month of the autumn in West Union, is also a moderately hot month, with an average temperature fluctuating between 61.7°F (16.5°C) and 82.2°F (27.9°C). The arrival of September is marked by a minor reduction in average high-temperature, sliding from a tropical 87.6°F (30.9°C) in August to a moderately hot 82.2°F (27.9°C). Weather in September »Weather in October
October, the same as September, in West Union, South Carolina, is another pleasant autumn month, with temperature in the range of an average high of 71.2°F (21.8°C) and an average low of 51.4°F (10.8°C). October brings a decrease in the average high-temperature, falling from September's warm 82.2°F (27.9°C) to an agreeable 71.2°F (21.8°C). Weather in October »Weather in November
The last month of the autumn, November, is also a moderate month in West Union, South Carolina, with an average temperature ranging between min 41.7°F (5.4°C) and max 59.5°F (15.3°C). The start of November comes with a reduction in the average high-temperature, receding from an agreeable 71.2°F (21.8°C) in October to a refreshing 59.5°F (15.3°C). Weather in November »Weather in December
The first month of the winter, December, is also a fresh month in West Union, South Carolina, with an average temperature ranging between max 52.7°F (11.5°C) and min 37.9°F (3.3°C). A modest decline in the average high-temperature is seen during December, decreasing from a mild 59.5°F (15.3°C) in November to a fresh 52.7°F (11.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
West Union, SC
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (48.7°F).
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).
Average pressure
West Union, SC
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
29.99"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.14"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed
West Union, SC
- Average wind speed in January:
5.9mph - Average wind speed in February:
6.1mph - Average wind speed in March:
5.9mph - Average wind speed in April:
6mph - Average wind speed in May:
5mph - Average wind speed in June:
4.5mph
- Average wind speed in July:
4.3mph - Average wind speed in August:
4mph - Average wind speed in September:
4.4mph - Average wind speed in October:
5.2mph - Average wind speed in November:
5mph - Average wind speed in December:
5.4mph
The windiest month (with the highest average wind speed) is February (6.1mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity
West Union, SC
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall
West Union, SC
- Average rainfall in January:
2.87" - Average rainfall in February:
3.23" - Average rainfall in March:
2.68" - Average rainfall in April:
3.15" - Average rainfall in May:
2.91" - Average rainfall in June:
2.56"
The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days
West Union, SC
- Average rainfall days in January:
11.4 days - Average rainfall days in February:
11.7 days - Average rainfall days in March:
14 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
15.8 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
17.4 days - Average rainfall days in August:
16.4 days - Average rainfall days in September:
12.2 days - Average rainfall days in October:
8.5 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
11.6 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is October (8.5 days).
Average snowfall
West Union, SC
The month with the highest snowfall is December (2.28").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days
West Union, SC
- Average snowfall days in January:
0.9 days - Average snowfall days in February:
1 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:
0.6 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
West Union, SC
- Average daylight in January:
10h and 6min - 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 30min
- 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 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
5h and 48min - Average sunshine in February:
7h and 0min - Average sunshine in March:
7h and 18min - Average sunshine in April:
8h and 48min - Average sunshine in May:
10h and 0min - Average sunshine in June:
10h and 54min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
10h and 12min - Average sunshine in September:
8h and 42min - Average sunshine in October:
7h and 6min - Average sunshine in November:
6h and 6min - Average sunshine in December:
5h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days
West Union, SC
- Average sunshine days in January:
18.7 days - Average sunshine days in February:
14.6 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
15.6 days - Average sunshine days in May:
13.4 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
11.6 days - Average sunshine days in August:
12.8 days - Average sunshine days in September:
15.4 days - Average sunshine days in October:
21.4 days - Average sunshine days in November:
19.7 days - Average sunshine days in December:
17.6 days
The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is July (11.6 days).
Average UV index
West Union, SC
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover
West Union, SC
The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility
West Union, SC
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).





