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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Sumter Junction, South Carolina, is a cool winter month, with temperature in the range of an average high of 52.9°F (11.6°C) and an average low of 38.1°F (3.4°C). Sumter Junction's coldest month, January, generally records average temperatures ranging from a high of 52.9°F (11.6°C) to a low of 38.1°F (3.4°C). Weather in January »
Weather in February
The last month of the winter, February, is a moderate month in Sumter Junction, South Carolina, with an average temperature varying between 57.7°F (14.3°C) and 41°F (5°C). Sumter Junction experiences an average high-temperature of a moderate 57.7°F (14.3°C) in February, marking an insignificant shift from 52.9°F (11.6°C) in January. Weather in February »
Weather in March
March, the first month of the spring in Sumter Junction, is a comfortable month, with an average temperature ranging between min 46.6°F (8.1°C) and max 63.9°F (17.7°C). March's arrival coincides with a marginal rise in the average high-temperature, moving from February's moderate 57.7°F (14.3°C) to an enjoyable 63.9°F (17.7°C). Weather in March »
Weather in April
April in Sumter Junction, South Carolina, is a warm spring month, with an average temperature varying between 55°F (12.8°C) and 73.4°F (23°C). April comes with an increase, with the average high-temperature moving from a comfortable 63.9°F (17.7°C) in March to a warm 73.4°F (23°C). Weather in April »
Weather in May
The last month of the spring, May, is also a moderately hot month in Sumter Junction, South Carolina, with an average temperature ranging between min 62.8°F (17.1°C) and max 80.2°F (26.8°C). A minor escalation in the average high-temperature is seen with the onset of May, moving from 73.4°F (23°C) in April to a still moderately hot 80.2°F (26.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a tropical month in Sumter Junction, South Carolina, with temperature in the range of an average low of 70°F (21.1°C) and an average high of 87.4°F (30.8°C). The arrival of June brings a soft temperature shift, with the average high-temperature nudging from a warm 80.2°F (26.8°C) in May to a hot 87.4°F (30.8°C). Weather in June »
Weather in July
July, like June, is a hot summer month in Sumter Junction, South Carolina, with an average temperature fluctuating between 90.7°F (32.6°C) and 72.9°F (22.7°C). The month of July, characterized by an average high of 90.7°F (32.6°C) and a low of 72.9°F (22.7°C), is recognized as the warmest. July's mean heat index is estimated at a blisteringly hot 109.4°F (43°C). Weather in July »
Weather in August
August, the last month of the summer in Sumter Junction, is also a hot month, with an average temperature ranging between max 88.9°F (31.6°C) and min 71.4°F (21.9°C). As Sumter Junction welcomes August, the average high-temperature records at a still hot 88.9°F (31.6°C), marking an insignificant deviation from the prior month. Weather in August »
Weather in September
September, the first month of the autumn in Sumter Junction, is still a warm month, with an average temperature varying between 83.7°F (28.7°C) and 66.6°F (19.2°C). The arrival of September is marked by an average high-temperature of a warm 83.7°F (28.7°C), bearing a close resemblance to August. Weather in September »
Weather in October
October, like September, in Sumter Junction, South Carolina, is another warm autumn month, with an average temperature varying between 56.7°F (13.7°C) and 73.8°F (23.2°C). The onset of October introduces a moderate change in Sumter Junction's weather, with average high-temperatures falling from September's moderately hot 83.7°F (28.7°C) to a still warm 73.8°F (23.2°C). Weather in October »
Weather in November
November, the last month of the autumn in Sumter Junction, is another comfortable month, with an average temperature fluctuating between 62.4°F (16.9°C) and 46.4°F (8°C). The decrease of average high-temperatures is mild in November, with a decline from a moderately hot 73.8°F (23.2°C) in October to an enjoyable 62.4°F (16.9°C). Weather in November »
Weather in December
The first month of the winter, December, is still a mild month in Sumter Junction, South Carolina, with an average temperature ranging between max 56.3°F (13.5°C) and min 42.3°F (5.7°C). A modest decline in the average high-temperature is seen during December, decreasing from a refreshing 62.4°F (16.9°C) in November to a moderate 56.3°F (13.5°C). Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Sumter Junction?
January, with its high-temperature average of 52.9°F (11.6°C) and a low-temperature average of 38.1°F (3.4°C), is the coldest month.
What are the least humid months in Sumter Junction?
The months with the lowest humidity in Sumter Junction are January and November, with an average relative humidity of 70%.
What is the driest month in Sumter Junction?
January is the month with the least rainfall in Sumter Junction. Rain falls for 10.5 days and accumulates 1.89" (48mm) of precipitation.
How many days does it rain in Sumter Junction?
In Sumter Junction, South Carolina, during the entire year, the rain falls for 161.8 days and collects up to 33.35" (847mm) of precipitation.
When does it snow in Sumter Junction?
Months with snowfall are January through March, November and December.
How many days does it snow in Sumter Junction?
Throughout the year, in Sumter Junction, South Carolina, there are 1.3 snowfall days, and 1.06" (27mm) of snow is accumulated.
What is the month with the lowest UV index in Sumter Junction?
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index in Sumter Junction.
When does it snow the most in Sumter Junction?
February is the month with the most snowfall in Sumter Junction, South Carolina. Snow falls for 0.6 days and accumulates 0.55" (14mm) of snow.
When is Daylight Saving Time (DST) in Sumter Junction?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Sumter Junction, South Carolina, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
When it does not snow in Sumter Junction?
April through October are months without snowfall in Sumter Junction.
What is the most humid month in Sumter Junction?
The most humid month in Sumter Junction is May, with an average relative humidity of 76%.
When are the longest days in Sumter Junction?
The month with the longest days in Sumter Junction, South Carolina, is June, with an average of 14h and 24min of daylight.
What are the months with the highest UV index in Sumter Junction?
The months with the highest UV index in Sumter Junction, South Carolina, are June and July, with an average maximum UV index of 7.
What are the warmest months in Sumter Junction?
In Sumter Junction, South Carolina, the average temperatures in July are the highest, with a peak at 90.7°F (32.6°C) and a low of 72.9°F (22.7°C).
What month has the most sunshine in Sumter Junction?
The month with the most sunshine in Sumter Junction, South Carolina, is July, with an average of 10.7h of sunshine.
What is the wettest month in Sumter Junction?
The month with the most rainfall is December, when the rain falls for 11 days and typically aggregates up to 3.58" (91mm) of precipitation.
What is the month with the shortest days in Sumter Junction?
With an average of 9h and 54min of daylight, December has the shortest days of the year.
What is the month with the least sunshine in Sumter Junction?
With an average of 5.3h of sunshine, December has the least sunshine of the year.
Average temperature
Sumter Junction, SC
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (52.9°F).
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).
Average pressure
Sumter Junction, 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:
30.02"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
29.99"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 (29.97"Hg).
Average wind speed
Sumter Junction, SC
- Average wind speed in January:
8mph - Average wind speed in February:
8.5mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8.5mph - Average wind speed in May:
7.1mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
6.2mph - Average wind speed in August:
5.6mph - Average wind speed in September:
6.3mph - Average wind speed in October:
7.1mph - Average wind speed in November:
7.1mph - Average wind speed in December:
7.5mph
The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity
Sumter Junction, SC
The month with the highest relative humidity is May (76%).
The months with the lowest relative humidity are January and November (70%).
Average rainfall
Sumter Junction, SC
- Average rainfall in January:
1.89" - Average rainfall in February:
2.44" - Average rainfall in March:
2.13" - Average rainfall in April:
3.19" - Average rainfall in May:
3.35" - Average rainfall in June:
3.11"
- Average rainfall in July:
3.23" - Average rainfall in August:
3.5" - Average rainfall in September:
2.48" - Average rainfall in October:
2.48" - Average rainfall in November:
1.97" - Average rainfall in December:
3.58"
The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days
Sumter Junction, SC
- Average rainfall days in January:
10.5 days - Average rainfall days in February:
10.8 days - Average rainfall days in March:
12.9 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
15.6 days - Average rainfall days in June:
17.1 days
- Average rainfall days in July:
20.1 days - Average rainfall days in August:
18.7 days - Average rainfall days in September:
14.1 days - Average rainfall days in October:
8.5 days - Average rainfall days in November:
8.7 days - Average rainfall days in December:
11 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is October (8.5 days).
Average snowfall
Sumter Junction, SC
The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Sumter Junction, SC
- Average snowfall days in January:
0.4 days - Average snowfall days in February:
0.6 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:
0.1 days - Average snowfall days in December:
0.1 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Sumter Junction, SC
- Average daylight in January:
10h and 1min - 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 5min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 5min
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 3min - Average sunshine in February:
6h and 2min - Average sunshine in March:
7h and 2min - Average sunshine in April:
9h and 1min - Average sunshine in May:
9h and 4min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 4min - Average sunshine in October:
6h and 4min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days
Sumter Junction, SC
- Average sunshine days in January:
19.2 days - Average sunshine days in February:
16 days - Average sunshine days in March:
17.3 days - Average sunshine days in April:
14 days - Average sunshine days in May:
13.4 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
8.8 days - Average sunshine days in August:
8.9 days - Average sunshine days in September:
13.5 days - Average sunshine days in October:
20.8 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
18.8 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (8.8 days).
Average UV index
Sumter Junction, SC
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover
Sumter Junction, SC
The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility
Sumter Junction, 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).
Sumter Junction, South Carolina, USA
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