January weather forecast
Sunset, SC

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Weather in January

January, the same as December, in Sunset, South Carolina, is a frosty winter month, with an average temperature varying between 45.3°F (7.4°C) and 29.5°F (-1.4°C).

Temperature

January brings the lowest temperatures, with an average high of 45.3°F (7.4°C) and an average low of 29.5°F (-1.4°C).

Humidity

In January, the average relative humidity is 74%.

Rainfall

In January, the rain falls for 13.7 days. Throughout January, 3.7" (94mm) of precipitation is accumulated. Throughout the year, there are 184.6 rainfall days, and 41.42" (1052mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Sunset, South Carolina, in January, during 3.2 snowfall days, 2.09" (53mm) of snow is typically accumulated. Throughout the year, there are 12.3 snowfall days, and 12.01" (305mm) of snow is accumulated.

Daylight

The average length of the day in January is 10h and 7min.
On the first day of the month, sunrise is at 7:39 am and sunset at 5:30 pm. On the last day of January, sunrise is at 7:30 am and sunset at 5:58 pm EST.

Sunshine

The average sunshine in January is 5.8h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

The coldest period is January, when temperatures fluctuate between an average high of 45.3°F (7.4°C) and a low of 29.5°F (-1.4°C).

What are January temperatures?

The high-temperature during January is 45.3°F (7.4°C) and the low-temperature is 29.5°F (-1.4°C).

What is the average humidity in January?

In January, the average relative humidity is 74%.

How many days does it rain in January in Sunset?

In Sunset, during January, the rain falls for 13.7 days and regularly aggregates up to 3.7" (94mm) of precipitation.

How many days does it snow in January?

In Sunset, in January, during 3.2 snowfall days, 2.09" (53mm) of snow is typically accumulated.

How many hours of daylight does Sunset have in January?

In January, the average day length in Sunset is 10h and 7min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:39 am and sunset at 5:30 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:58 pm EST.

How long on average sun shines in January?

The average sunshine duration in January is 5.8h.

When is the lowest UV index?

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.

How high is the UV index in January?

In Sunset, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
Sunset, SC

Average temperature in January - Sunset, SC
  • Average high temperature in January: 45.3°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (45.3°F).

  • Average low temperature in January: 29.5°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

Average pressure in January
Sunset, SC

Average pressure in January - Sunset, SC
  • Average pressure in January: 30.15"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in January
Sunset, SC

Average wind speed in January - Sunset, SC
  • Average wind speed in January: 5.7mph

The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

Average humidity in January
Sunset, SC

Average humidity in January - Sunset, SC
  • Average humidity in January: 74%

The months with the highest relative humidity are May and December (77%).
The month with the lowest relative humidity is November (73%).

Average rainfall in January
Sunset, SC

Average rainfall in January - Sunset, SC
  • Average rainfall in January: 3.7"

The wettest month (with the highest rainfall) is December (4.53").
The driest month (with the least rainfall) is September (2.2").

Average rainfall days in January
Sunset, SC

Average rainfall days in January - Sunset, SC
  • Average rainfall days in January: 13.7 days

The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is November (9.9 days).

Average snowfall in January
Sunset, SC

Average snowfall in January - Sunset, SC
  • Average snowfall in January: 2.09"

The month with the highest snowfall is December (4.57").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Sunset, SC

Average snowfall days in January - Sunset, SC
  • Average snowfall days in January: 3.2 days

The month with the highest number of snowfall days is February (4.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in January: 5h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days in January
Sunset, SC

Average sunshine days in January - Sunset, SC
  • Average sunshine days in January: 15.6 days

The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is July (7.5 days).

Average UV index in January
Sunset, SC

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in January
Sunset, SC

Average cloud cover in January - Sunset, SC
  • Average cloud cover in January: 37

The months with the most cloud cover are February, March and December (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in January
Sunset, SC

Average visibility in January - Sunset, SC
  • Average visibility in January: 5mi

The months with the highest visibility are February, June, July, August, October and November (6mi).
The months with the lowest visibility are January, March, April, May, September and December (5mi).

Sunset, South Carolina, USA

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