January weather forecastWhite Rock, SC

January

Weather in January

January, the same as December, is a cool winter month in White Rock, South Carolina, with an average temperature fluctuating between 52.3°F (11.3°C) and 36.9°F (2.7°C).

Temperature

White Rock notes the coldest temperatures in January, with a high average of 52.3°F (11.3°C) and a low of 36.9°F (2.7°C).

Humidity

In White Rock, the average relative humidity in January is 71%.

Rainfall

In January, the rain falls for 9.8 days. Throughout January, 2.01" (51mm) of precipitation is accumulated. Throughout the year, there are 147.8 rainfall days, and 28.23" (717mm) of precipitation is accumulated.

Snowfall

January through March and December are months with snowfall. In White Rock, during January, snow falls for 0.5 days and regularly aggregates up to 0.24" (6mm) of snow. In White Rock, South Carolina, during the entire year, snow falls for 1.2 days and aggregates up to 0.79" (20mm) of snow.

Daylight

The average length of the day in January is 10h and 11min.
On the first day of the month, sunrise is at 7:30 am and sunset at 5:26 pm. On the last day of January, sunrise is at 7:23 am and sunset at 5:53 pm EST.

Sunshine

The average sunshine in January is 5.6h.

UV index

The month with the lowest UV index is January, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In January, the average maximum UV index of 2 translates into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Always opt for UVA and UVB-resistant sunglasses on radiant days. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

January is the coldest month of the year, registering average temperatures as high as 52.3°F (11.3°C) and as low as 36.9°F (2.7°C).

White Rock in January has an average high-temperature of 52.3°F (11.3°C) and an average low-temperature of 36.9°F (2.7°C).

In January, the average relative humidity is 71%.

In White Rock, during January, the rain falls for 9.8 days and regularly aggregates up to 2.01" (51mm) of precipitation.

In White Rock, in January, snow falls for 0.5 days, with typically accumulated 0.24" (6mm) of snow.

The average day length in January is 10h and 11min.

In January, on the first day of the month, sunrise is at 7:30 am and sunset at 5:26 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:53 pm EST.

In White Rock, the average sunshine duration in January is 5.6h.

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

In January, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
White Rock, SC

  • Average high temperature in January: 52.3°F

The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (52.3°F).

  • Average low temperature in January: 36.9°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 (36.9°F).

Average pressure in January
White Rock, SC

  • Average pressure in January: 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 in January
White Rock, SC

  • Average wind speed in January: 7.9mph

The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in January
White Rock, SC

  • Average humidity in January: 71%

The month with the highest relative humidity is December (75%).
The month with the lowest relative humidity is July (70%).

Average rainfall in January
White Rock, SC

  • Average rainfall in January: 2.01"

The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in January
White Rock, SC

  • Average rainfall days in January: 9.8 days

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is October (7.8 days).

Average snowfall in January
White Rock, SC

  • Average snowfall in January: 0.24"

The month with the highest snowfall is February (0.43").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in January
White Rock, SC

  • Average snowfall days in January: 0.5 days

The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in January /
Average sunshine in January
White Rock, SC

  • Average daylight in January: 10h and 12min

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 36min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in January
White Rock, SC

  • Average sunshine days in January: 19.5 days

The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is July (10.8 days).

Average UV index in January
White Rock, SC

  • Average UV index in January: 2

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in January
White Rock, SC

  • Average cloud cover in January: 37

The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are June and October (Cloud cover 28).

Average visibility in January
White Rock, SC

  • Average visibility in January: 6mi

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).