Climate and monthly weather forecastWestminster, SC
Climate and monthly weather forecast
Weather in January
January, the same as December, in Westminster, South Carolina, is another chilly winter month, with an average temperature fluctuating between 33.1°F (0.6°C) and 48.7°F (9.3°C). Temperature records mark January as the coldest month, with highs averaging 48.7°F (9.3°C) and lows at 33.1°F (0.6°C). Weather in January »Weather in February
February, the last month of the winter in Westminster, is a cool month, with an average temperature varying between 36.5°F (2.5°C) and 53.2°F (11.8°C). The commencement of February notes an average high-temperature of a cool 53.2°F (11.8°C), exhibiting little difference from the previous month. Weather in February »Weather in March
March, the first month of the spring in Westminster, is a mild month, with an average temperature fluctuating between 60.6°F (15.9°C) and 42.1°F (5.6°C). The arrival of March signals a slight increase in the average high-temperature, 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 a pleasant spring month in Westminster, South Carolina, with an average temperature fluctuating between 49.8°F (9.9°C) and 70°F (21.1°C). In Westminster, the onset of April comes with an increased average high-temperature, moving from March's moderate 60.6°F (15.9°C) to an agreeable 70°F (21.1°C). Weather in April »Weather in May
The last month of the spring, May, is a warm month in Westminster, South Carolina, with an average temperature ranging between min 57.2°F (14°C) and max 78.4°F (25.8°C). The onset of May marks a slight increase in the average high-temperature, moving from a pleasant 70°F (21.1°C) in April to a warm 78.4°F (25.8°C). Weather in May »Weather in June
June, the first month of the summer in Westminster, is a hot month, with an average temperature fluctuating between 86.5°F (30.3°C) and 64.2°F (17.9°C). In June, the average high-temperature marginally rises from a moderately hot 78.4°F (25.8°C) in May to a tropical 86.5°F (30.3°C). Weather in June »Weather in July
July, the same as June, in Westminster, South Carolina, is a hot summer month, with an average temperature fluctuating between 67.6°F (19.8°C) and 89.2°F (31.8°C). Westminster registers the highest average temperatures during the month of July, with peaks of 89.2°F (31.8°C) and lows of 67.6°F (19.8°C). In July, the heat index is calculated to be an extremely hot 104°F (40°C). Weather in July »Weather in August
August, the last month of the summer in Westminster, is another tropical month, with an average temperature fluctuating between 66.4°F (19.1°C) and 87.6°F (30.9°C). The advent of August observes an average high-temperature of a still tropical 87.6°F (30.9°C), nearly identical to July's 89.2°F (31.8°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Westminster, South Carolina, with an average temperature ranging between min 61.7°F (16.5°C) and max 82.2°F (27.9°C). During the shift to September, Westminster records a mild decrease in average high-temperature, moving 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, like September, is an agreeable autumn month in Westminster, South Carolina, with temperature in the range of an average low of 51.4°F (10.8°C) and an average high of 71.2°F (21.8°C). In the transition to October, Westminster observes a drop in the average high-temperature, moving from a moderately hot 82.2°F (27.9°C) in September to an agreeable 71.2°F (21.8°C). Weather in October »Weather in November
November, the last month of the autumn in Westminster, is also a moderate month, with temperature in the range of an average low of 41.7°F (5.4°C) and an average high of 59.5°F (15.3°C). A moderate decline in the average high-temperature is seen during November, decreasing from an agreeable 71.2°F (21.8°C) in October to a mild 59.5°F (15.3°C). Weather in November »Weather in December
December, the first month of the winter in Westminster, is also a fresh month, with an average temperature ranging between min 37.9°F (3.3°C) and max 52.7°F (11.5°C). During the shift to December, Westminster records a mild decrease in average high-temperature, moving from a moderate 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
Westminster, 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
Westminster, 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
Westminster, 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
Westminster, SC
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall
Westminster, 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
Westminster, 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
Westminster, 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
Westminster, 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
Westminster, 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 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 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
Westminster, 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
Westminster, 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
Westminster, 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
Westminster, 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).





