January weather forecast
Williamston, SC

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Weather in January

January, the same as December, is another fresh winter month in Williamston, South Carolina, with an average temperature fluctuating between 34.5°F (1.4°C) and 50°F (10°C).

Temperature

Williamston's coldest temperatures are experienced in January, with average high temperatures of 50°F (10°C) and lows of 34.5°F (1.4°C).

Humidity

In Williamston, South Carolina, the average relative humidity in January is 73%.

Rainfall

In January, the rain falls for 11.3 days. Throughout January, 3.07" (78mm) of precipitation is accumulated. In Williamston, South Carolina, during the entire year, the rain falls for 158.8 days and collects up to 38.35" (974mm) of precipitation.

Snowfall

Months with snowfall in Williamston, South Carolina, are January through March, November and December. In Williamston, during January, snow falls for 1.1 days and regularly aggregates up to 0.75" (19mm) of snow. In Williamston, during the entire year, snow falls for 3.5 days and aggregates up to 2.68" (68mm) of snow.

Daylight

In January, the average length of the day in Williamston is 10h and 9min.
On the first day of January, sunrise is at 7:36 am and sunset at 5:29 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:57 pm EST.

Sunshine

In Williamston, the average sunshine in January is 5.4h.

UV index

With an average maximum UV index of 2, January is the month with the lowest UV index in Williamston, South Carolina. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 2 during January translates into these guidelines:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What is the coldest month in Williamston?

January is the coldest month, with an average high-temperature of 50°F (10°C) and an average low-temperature of 34.5°F (1.4°C).

What is the average January temperature in Williamston?

The high-temperature, in January, in Williamston, records 50°F (10°C), while the low-temperature is 34.5°F (1.4°C).

What is the average humidity in January in Williamston?

The average relative humidity in January is 73%.

How many days does it rain in January in Williamston?

In Williamston, South Carolina, in January, during 11.3 rainfall days, 3.07" (78mm) of precipitation is typically accumulated.

How much does it snow in Williamston in January?

In Williamston, in January, snow falls for 1.1 days, with typically accumulated 0.75" (19mm) of snow.

What is the average length of the day in January in Williamston?

In Williamston, South Carolina, the average day length in January is 10h and 9min.

What time are sunrise and sunset in January in Williamston?

On the first day of January, sunrise is at 7:36 am and sunset at 5:29 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:57 pm EST.

How long on average sun shines in January in Williamston?

In January, the average sunshine duration in Williamston is 5.4h.

When is the lowest UV index in Williamston?

The month with the lowest UV index in Williamston, South Carolina, is January, with an average maximum UV index of 2.

What is the UV index intensity in January in Williamston?

In Williamston, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Williamston, SC

Average temperature in January - Williamston, SC
  • Average high temperature in January: 50°F

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).

  • Average low temperature in January: 34.5°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).

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Average pressure in January
Williamston, SC

Average pressure in January - Williamston, SC
  • Average pressure in January: 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).

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Average wind speed in January
Williamston, SC

Average wind speed in January - Williamston, SC
  • Average wind speed in January: 7.1mph

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).

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Average humidity in January
Williamston, SC

Average humidity in January - Williamston, SC
  • Average humidity in January: 73%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).

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Average rainfall in January
Williamston, SC

Average rainfall in January - Williamston, SC
  • Average rainfall in January: 3.07"

The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is September (1.81").

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Average rainfall days in January
Williamston, SC

Average rainfall days in January - Williamston, SC
  • Average rainfall days in January: 11.3 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).

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Average snowfall in January
Williamston, SC

Average snowfall in January - Williamston, SC
  • Average snowfall in January: 0.75"

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").

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Average snowfall days in January
Williamston, SC

Average snowfall days in January - Williamston, SC
  • Average snowfall days in January: 1.1 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).

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Average daylight in January /
Average sunshine in January
Williamston, SC

Average daylight in January / Average sunshine in January - Williamston, SC
  • Average daylight in January: 10h and 1min

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

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).

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Average sunshine days in January
Williamston, SC

Average sunshine days in January - Williamston, SC
  • Average sunshine days in January: 17.4 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).

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Average UV index in January
Williamston, SC

Average UV index in January - Williamston, SC
  • Average UV index in January: 2

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).

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Average cloud cover in January
Williamston, SC

Average cloud cover in January - Williamston, SC
  • Average cloud cover in January: 40

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).

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Average visibility in January
Williamston, SC

Average visibility in January - Williamston, SC
  • Average visibility in January: 6mi

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).

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Williamston, South Carolina, USA

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