January weather forecastAiken, SC

The natural formation of the oak canopies along the South Boundary Street in Aiken, South CarolinaThe natural formation of the oak canopies along the South Boundary Street in Aiken, South Carolina

January

Weather in January

In Aiken, South Carolina, the year commences with January characterized by relatively cold temperatures. The region sees a balance of sunshine hours and cloud cover. Wind speeds are consistently moderate, contributing to an overall cool environment. This is indeed a fresh start to the year, with temperatures ranging from 37.9°F (3.3°C) to 53.2°F (11.8°C). January is also typically paired with a humidity level of around 71% in Aiken.

Temperature

The lowest temperatures are recorded in January, with averages reaching a high of 53.2°F (11.8°C) and a low of 37.9°F (3.3°C).

Humidity

In January, the average relative humidity is 71%.

Rainfall

In January, the rain falls for 10 days. Throughout January, 1.97" (50mm) of precipitation is accumulated. Throughout the year, there are 147.8 rainfall days, and 28.31" (719mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March and December. The months with the most snowfall are January and February, with an average 0.28" (7mm) of accumulated snow.

Daylight

In January, the average length of the day in Aiken is 10h and 14min.
On the first day of January, sunrise is at 7:31 am and sunset at 5:29 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:56 pm EST.

Sunshine

The average sunshine in January is 5.7h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 3 during January translates into the following directions:
Ensure safety - Imperative it is to shield skin and eyes from damage. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Aiken's January weather reaches an average high of 53.2°F (11.8°C) and an average low of 37.9°F (3.3°C), making it the coldest month.

In Aiken, in January, the average high-temperature is 53.2°F (11.8°C), and the average low-temperature is 37.9°F (3.3°C).

The average relative humidity in January is 71%.

In January, the rain falls for 10 days. Throughout January, 1.97" (50mm) of precipitation is accumulated.

The months with the most snowfall are January and February, with an average 0.28" (7mm) of accumulated snow.

In Aiken, during January, snow falls for 0.4 days and regularly aggregates up to 0.28" (7mm) of snow.

The average day length in January in Aiken is 10h and 14min.

In January, on the first day of the month, sunrise is at 7:31 am and sunset at 5:29 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:56 pm EST.

In Aiken, the average sunshine duration in January is 5.7h.

The months with the lowest UV index are January and December, with an average maximum UV index of 3.

The average daily maximum UV index in January is 3. A UV Index estimate of 3 to 5 represents a medium health risk 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
Aiken, SC

  • Average high temperature in January: 53.2°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (53.2°F).

  • Average low temperature in January: 37.9°F

The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).

Average pressure in January
Aiken, 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
Aiken, SC

  • Average wind speed in January: 8.3mph

The windiest months (with the highest average wind speed) are February and April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in January
Aiken, SC

  • Average humidity in January: 71%

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

Average rainfall in January
Aiken, SC

  • Average rainfall in January: 1.97"

The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.5").

Average rainfall days in January
Aiken, SC

  • Average rainfall days in January: 10 days

The month with the highest number of rainy days is July (17.4 days).
The months with the least rainy days are October and November (7.7 days).

Average snowfall in January
Aiken, SC

  • Average snowfall in January: 0.28"

The months with the highest snowfall are January and February (0.28").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in January
Aiken, SC

  • Average snowfall days in January: 0.4 days

The month with the highest number of snowfall days is January (0.4 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
Aiken, SC

  • Average daylight in January: 10h and 12min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in January: 5h and 42min

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 24min).

Average sunshine days in January
Aiken, SC

  • Average sunshine days in January: 19.8 days

The month with the most sunshine days is October (22 days).
The month with the least sunshine days is July (10.8 days).

Average UV index in January
Aiken, SC

  • Average UV index in January: 3

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in January
Aiken, SC

  • Average cloud cover in January: 36

The months with the most cloud cover are February and December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 27).

Average visibility in January
Aiken, 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).