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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 Williamston, South Carolina, is a cool winter month, with an average temperature ranging between min 34.5°F (1.4°C) and max 50°F (10°C). January, with its average high-temperature of 50°F (10°C) and an average low-temperature of 34.5°F (1.4°C), holds the record as the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is also a fresh month in Williamston, South Carolina, with an average temperature varying between 37.9°F (3.3°C) and 54.7°F (12.6°C). The average high-temperature during February is a still cool 54.7°F (12.6°C), almost matching the conditions of the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Williamston, is an enjoyable month, with temperature in the range of an average high of 61.5°F (16.4°C) and an average low of 43.2°F (6.2°C). March introduces a minor temperature shift, with average high-temperatures adjusting from February's fresh 54.7°F (12.6°C) to a refreshing 61.5°F (16.4°C). Weather in March »
Weather in April
April in Williamston, South Carolina, is a pleasant spring month, with an average temperature ranging between min 51.4°F (10.8°C) and max 71.4°F (21.9°C). As Williamston transitions into April, the average high-temperature shows a change, moving from a comfortable 61.5°F (16.4°C) in March to a pleasant 71.4°F (21.9°C). Weather in April »
Weather in May
The last month of the spring, May, is a warm month in Williamston, South Carolina, with an average temperature fluctuating between 59°F (15°C) and 79.7°F (26.5°C). May brings a slight increase in the average high-temperature, progressing from a pleasant 71.4°F (21.9°C) in April to a moderately hot 79.7°F (26.5°C). Weather in May »
Weather in June
The first month of the summer, June, is a tropical month in Williamston, South Carolina, with an average temperature fluctuating between 66.4°F (19.1°C) and 87.6°F (30.9°C). A slight uplift in the average high-temperature marks June, adjusting from May's moderately hot 79.7°F (26.5°C) to a hot 87.6°F (30.9°C). Weather in June »
Weather in July
July, like June, is another hot summer month in Williamston, South Carolina, with temperature in the range of an average low of 69.4°F (20.8°C) and an average high of 90.3°F (32.4°C). July is Williamston's warmest month, registering average high temperatures of 90.3°F (32.4°C) and lows of 69.4°F (20.8°C). The average heat index in July is calculated to be an extremely hot 107.6°F (42°C). Weather in July »
Weather in August
August, the last month of the summer in Williamston, is another hot month, with an average temperature varying between 68.2°F (20.1°C) and 88.9°F (31.6°C). The average high-temperature in August, at a still hot 88.9°F (31.6°C), reveals a modest deviation from July's 90.3°F (32.4°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Williamston, South Carolina, with temperature in the range of an average low of 63.5°F (17.5°C) and an average high of 83.5°F (28.6°C). The transition into September involves a small decrease in the average high-temperature, dipping slightly from a hot 88.9°F (31.6°C) in August to a moderately hot 83.5°F (28.6°C). Weather in September »
Weather in October
October, the same as September, in Williamston, South Carolina, is another pleasant autumn month, with an average temperature varying between 72.3°F (22.4°C) and 52.5°F (11.4°C). October suggests a modest reduction in the average high-temperature, shifting from a warm 83.5°F (28.6°C) in September to an agreeable 72.3°F (22.4°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a moderate month in Williamston, South Carolina, with temperature in the range of an average high of 60.3°F (15.7°C) and an average low of 42.8°F (6°C). The onset of November introduces a moderate change in Williamston's weather, with average high-temperatures falling from October's pleasant 72.3°F (22.4°C) to a refreshing 60.3°F (15.7°C). Weather in November »
Weather in December
December, the first month of the winter in Williamston, is also a fresh month, with temperature in the range of an average low of 38.5°F (3.6°C) and an average high of 53.2°F (11.8°C). December's arrival subtly correlates with a reduction in the average high-temperature, down from a moderate 60.3°F (15.7°C) in November to a cool 53.2°F (11.8°C). Weather in December »
Updated: Jul 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
Williamston, South Carolina, notes the coldest temperatures in January, with a average high of 50°F (10°C) and a low of 34.5°F (1.4°C).
How much does it rain?
In Williamston, during the entire year, the rain falls for 158.8 days and collects up to 38.35" (974mm) of precipitation.
When does it snow?
Months with snowfall in Williamston are January through March, November and December.
How many days does it snow?
In Williamston, during the entire year, snow falls for 3.5 days and aggregates up to 2.68" (68mm) of snow.
When is the lowest UV index in Williamston?
January is the month with the lowest UV index, with an average maximum UV index of 2.
What is the snowiest month?
The month with the most snowfall is February, when snow falls for 1.3 days and typically aggregates up to 1.1" (28mm) of snow.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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 Williamston?
April through October are months without snowfall.
What is the rainiest month?
May is the month with the most rainfall. Rain falls for 16.1 days and accumulates 4.09" (104mm) of precipitation.
What are the months with the highest UV index?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When are the longest days?
The month with the longest days is June, with an average of 14h and 24min of daylight.
What time of the year is the hottest in Williamston?
In Williamston, July is the warmest month, with temperatures averaging a high of 90.3°F (32.4°C) and a low of 69.4°F (20.8°C).
What is the least humid month?
With an average relative humidity of 70%, July is the least humid month.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.7h of sunshine.
What is the driest month?
September is the month with the least rainfall. Rain falls for 11.7 days and accumulates 1.81" (46mm) of precipitation.
What is the most humid month in Williamston?
December is the most humid month, with an average relative humidity of 77%.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 54min of daylight.
What is the month with the least sunshine?
December has the least sunshine of the year, with an average of 5.1h of sunshine.
Average temperature
Williamston, SC
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (50°F).
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).
Average pressure
Williamston, 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:
30.01"Hg - Average pressure in August:
30.01"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
Williamston, SC
- Average wind speed in January:
7.1mph - Average wind speed in February:
7.2mph - Average wind speed in March:
7.1mph - Average wind speed in April:
7.1mph - Average wind speed in May:
5.8mph - Average wind speed in June:
5.3mph
- Average wind speed in July:
5mph - Average wind speed in August:
4.7mph - Average wind speed in September:
5.3mph - Average wind speed in October:
6.2mph - Average wind speed in November:
6.2mph - Average wind speed in December:
6.6mph
The windiest month (with the highest average wind speed) is February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity
Williamston, SC
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall
Williamston, SC
- Average rainfall in January:
3.07" - Average rainfall in February:
3.11" - Average rainfall in March:
2.99" - Average rainfall in April:
3.7" - Average rainfall in May:
4.09" - Average rainfall in June:
3.27"
- Average rainfall in July:
3.15" - Average rainfall in August:
3.82" - Average rainfall in September:
1.81" - Average rainfall in October:
2.36" - Average rainfall in November:
2.95" - Average rainfall in December:
4.02"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days
Williamston, SC
- Average rainfall days in January:
11.3 days - Average rainfall days in February:
12.4 days - Average rainfall days in March:
14.3 days - Average rainfall days in April:
14.3 days - Average rainfall days in May:
16.1 days - Average rainfall days in June:
14.5 days
- Average rainfall days in July:
17.7 days - Average rainfall days in August:
17.4 days - Average rainfall days in September:
11.7 days - Average rainfall days in October:
8.5 days - Average rainfall days in November:
9.1 days - Average rainfall days in December:
11.5 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is October (8.5 days).
Average snowfall
Williamston, SC
The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Williamston, SC
- Average snowfall days in January:
1.1 days - Average snowfall days in February:
1.3 days - Average snowfall days in March:
0.4 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:
0.2 days - Average snowfall days in December:
0.5 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Williamston, 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 1min - Average daylight in May:
14h and 0min - 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 2min - Average sunshine in February:
6h and 3min - Average sunshine in March:
6h and 5min - Average sunshine in April:
8h and 3min - Average sunshine in May:
9h and 3min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 2min - Average sunshine in October:
6h and 3min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 1min
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 6min).
Average sunshine days
Williamston, SC
- Average sunshine days in January:
17.4 days - Average sunshine days in February:
14 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
14.6 days - Average sunshine days in May:
12.9 days - Average sunshine days in June:
13.6 days
- Average sunshine days in July:
11.5 days - Average sunshine days in August:
11.7 days - Average sunshine days in September:
17.1 days - Average sunshine days in October:
21.5 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
18.2 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is July (11.5 days).
Average UV index
Williamston, SC
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover
Williamston, SC
The months with the most cloud cover are February and December (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility
Williamston, 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).
Williamston, South Carolina, USA
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