Climate and monthly weather forecastWestchester, SC
Climate and monthly weather forecast
Weather in January
January, like December, is another refreshing winter month in Westchester, South Carolina, with an average temperature fluctuating between 57°F (13.9°C) and 46.4°F (8°C). The coldest period is January, when temperatures fluctuate between an average high of 57°F (13.9°C) and a low of 46.4°F (8°C). Weather in January »Weather in February
The last month of the winter, February, is another mild month in Westchester, South Carolina, with an average temperature fluctuating between 59.5°F (15.3°C) and 48.9°F (9.4°C). The advent of February sees the average high-temperature at a still refreshing 59.5°F (15.3°C), subtly shifted from January's 57°F (13.9°C). Weather in February »Weather in March
The first month of the spring, March, is a refreshing month in Westchester, South Carolina, with temperature in the range of an average low of 54.1°F (12.3°C) and an average high of 64.4°F (18°C). Transitioning into March, Westchester experiences an average high-temperature of an enjoyable 64.4°F (18°C), marking a minor shift from the preceding month. Weather in March »Weather in April
April in Westchester, South Carolina, is an agreeable spring month, with an average temperature varying between 71.4°F (21.9°C) and 61.9°F (16.6°C). With the onset of April, Westchester observes a minor temperature ascent, with the average high-temperature adjusting from March's comfortable 64.4°F (18°C) to an agreeable 71.4°F (21.9°C). Weather in April »Weather in May
The last month of the spring, May, is a warm month in Westchester, South Carolina, with an average temperature fluctuating between 69.3°F (20.7°C) and 78.1°F (25.6°C). In May, the average high-temperature marginally rises from a pleasant 71.4°F (21.9°C) in April to a moderately hot 78.1°F (25.6°C). Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Westchester, South Carolina, with temperature in the range of an average low of 75.9°F (24.4°C) and an average high of 84.2°F (29°C). A slight uplift in the average high-temperature marks June, adjusting from May's moderately hot 78.1°F (25.6°C) to a still warm 84.2°F (29°C). Weather in June »Weather in July
July is a hot summer month in Westchester, South Carolina, with an average temperature ranging between min 78.4°F (25.8°C) and max 86.2°F (30.1°C). July is the month when Westchester experiences its warmest temperatures, averaging a high of 86.2°F (30.1°C) and a low of 78.4°F (25.8°C). The heat index for July is estimated at a fiery hot 98.6°F (37°C). Weather in July »Weather in August
August, the last month of the summer in Westchester, is also a hot month, with temperature in the range of an average high of 86°F (30°C) and an average low of 78.4°F (25.8°C). The shift into August reveals an average high-temperature of a still hot 86°F (30°C), closely mirroring July's climate. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Westchester, South Carolina, with an average temperature varying between 74.3°F (23.5°C) and 82.6°F (28.1°C). Upon the onset of September, Westchester witnesses an average high-temperature of a warm 82.6°F (28.1°C), showing a close resemblance to the prior month. Weather in September »Weather in October
October, like September, in Westchester, South Carolina, is another warm autumn month, with temperature in the range of an average high of 75.2°F (24°C) and an average low of 65.7°F (18.7°C). The beginning of October brings a minor change in the average high-temperature, shifting from 82.6°F (28.1°C) in September to a still moderately hot 75.2°F (24°C). Weather in October »Weather in November
The last month of the autumn, November, is another comfortable month in Westchester, South Carolina, with temperature in the range of an average high of 65.8°F (18.8°C) and an average low of 55.6°F (13.1°C). Observing a mild shift, the average high-temperature during November reduces from October's warm 75.2°F (24°C) to a comfortable 65.8°F (18.8°C). Weather in November »Weather in December
The first month of the winter, December, is still a mild month in Westchester, South Carolina, with temperature in the range of an average low of 51.1°F (10.6°C) and an average high of 60.6°F (15.9°C). Westchester commences December with an average high-temperature of a mild 60.6°F (15.9°C), maintaining a close resemblance to the previous month. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Westchester, SC
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (57°F).
The months with the highest average low temperature are July and August (78.4°F).
The coldest month (with the lowest average low temperature) is January (46.4°F).
Average pressure
Westchester, 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:
30.02"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.12"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
Westchester, SC
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.6mph - Average wind speed in April:
10.7mph - Average wind speed in May:
9.8mph - Average wind speed in June:
9.3mph
- Average wind speed in July:
9.4mph - Average wind speed in August:
8.8mph - Average wind speed in September:
9.6mph - Average wind speed in October:
10mph - Average wind speed in November:
10.3mph - Average wind speed in December:
10.2mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).
Average humidity
Westchester, SC
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are January, March and October (73%).
Average rainfall
Westchester, SC
- Average rainfall in January:
0.24" - Average rainfall in February:
0.35" - Average rainfall in March:
0.39" - Average rainfall in April:
0.71" - Average rainfall in May:
0.47" - Average rainfall in June:
1.14"
The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days
Westchester, SC
- Average rainfall days in January:
5.7 days - Average rainfall days in February:
6 days - Average rainfall days in March:
6.9 days - Average rainfall days in April:
8.8 days - Average rainfall days in May:
9.9 days - Average rainfall days in June:
13.4 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
17.3 days - Average rainfall days in September:
11.3 days - Average rainfall days in October:
6.8 days - Average rainfall days in November:
5.2 days - Average rainfall days in December:
6.2 days
The month with the highest number of rainy days is August (17.3 days).
The month with the least rainy days is November (5.2 days).
Average snowfall days
Westchester, SC
- Average snowfall days in January:
0.2 days - Average snowfall days in February:
0 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:
0.1 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Westchester, 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 48min - Average sunshine in March:
7h and 48min - Average sunshine in April:
10h and 0min - Average sunshine in May:
10h and 30min - Average sunshine in June:
10h and 54min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
10h and 54min - Average sunshine in September:
9h and 6min - Average sunshine in October:
6h and 42min - Average sunshine in November:
6h and 6min - Average sunshine in December:
5h and 42min
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 42min).
Average sunshine days
Westchester, SC
- Average sunshine days in January:
23.9 days - Average sunshine days in February:
20.9 days - Average sunshine days in March:
23.3 days - Average sunshine days in April:
20 days - Average sunshine days in May:
18.4 days - Average sunshine days in June:
11.7 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
8.5 days - Average sunshine days in September:
15.1 days - Average sunshine days in October:
22.3 days - Average sunshine days in November:
23.6 days - Average sunshine days in December:
23.5 days
The month with the most sunshine days is January (23.9 days).
The month with the least sunshine days is August (8.5 days).
Average UV index
Westchester, 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
Westchester, SC
The month with the most cloud cover is December (Cloud cover 39).
The months with the least cloud cover are June and July (Cloud cover 25).
Average visibility
Westchester, 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).





