January weather forecast
Spartanburg, SC

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Panorama of downtown Spartanburg in South Carolina
Panorama of downtown Spartanburg in South Carolina

Weather in January

In Spartanburg, South Carolina, January bears the brunt of the winter season. The city witnesses the lowest sunlight hours with a mere 5.6 hours per day. Despite being the coldest month, January provides relief from the humidity that's quite prevalent in Spartanburg. Snowfall is not unusual, with the month experiencing an inch of snow on rare snowy days. Spartanburg's weather in January frequently exhibits cloudy conditions, setting a quiet and serene ambiance to the city.

Temperature

January is the coldest month of the year in Spartanburg, South Carolina, registering average temperatures as high as 49.6°F (9.8°C) and as low as 33.1°F (0.6°C).

Humidity

The average relative humidity in January in Spartanburg is 72%.

Rainfall

In January, in Spartanburg, the rain falls for 9.9 days. Throughout January, 2.56" (65mm) of precipitation is accumulated. In Spartanburg, during the entire year, the rain falls for 145.5 days and collects up to 28.98" (736mm) of precipitation.

Snowfall

January through March and December are months with snowfall in Spartanburg. In Spartanburg, South Carolina, in January, snow falls for 1.1 days, with typically accumulated 1.18" (30mm) of snow. In Spartanburg, South Carolina, during the entire year, snow falls for 3.4 days and aggregates up to 4.65" (118mm) of snow.

Daylight

In Spartanburg, South Carolina, the average length of the day in January is 10h and 7min.
On the first day of the month, sunrise is at 7:35 am and sunset at 5:26 pm. On the last day of January, in Spartanburg, sunrise is at 7:27 am and sunset at 5:55 pm EST.

Sunshine

In January, the average sunshine in Spartanburg is 5.6h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Spartanburg, South Carolina. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 2 in January translates into these instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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Frequently asked questions

What is the coldest month in Spartanburg?

Spartanburg's temperature records reveal January as the coldest month, marked by average highs of 49.6°F (9.8°C) and lows of 33.1°F (0.6°C).

What is the usual temperature for Spartanburg in January?

In January, in Spartanburg, the average high-temperature is 49.6°F (9.8°C), and the average low-temperature is 33.1°F (0.6°C).

What is the average humidity in January in Spartanburg?

The average relative humidity in January is 72%.

How many days does it rain in January in Spartanburg?

In Spartanburg, South Carolina, during January, the rain falls for 9.9 days and regularly aggregates up to 2.56" (65mm) of precipitation.

How many days does it snow in January in Spartanburg?

In Spartanburg, in January, snow falls for 1.1 days, with typically accumulated 1.18" (30mm) of snow.

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

In January, the average day length in Spartanburg, South Carolina, is 10h and 7min.

When is the sunrise / sunset in January in Spartanburg?

On the first day of January, sunrise is at 7:35 am and sunset at 5:26 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:55 pm EST.

How long on average sun shines in January in Spartanburg?

The average sunshine duration in January in Spartanburg, South Carolina, is 5.6h.

What is the month with the lowest UV index in Spartanburg?

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

What is the UV index reading in January in Spartanburg?

In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe 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
Spartanburg, SC

Average temperature in January - Spartanburg, SC
  • Average high temperature in January: 49.6°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 (49.6°F).

  • Average low temperature in January: 33.1°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 (33.1°F).

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Average pressure in January
Spartanburg, SC

Average pressure in January - Spartanburg, 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
Spartanburg, SC

Average wind speed in January - Spartanburg, SC
  • Average wind speed in January: 6.5mph

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

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Average humidity in January
Spartanburg, SC

Average humidity in January - Spartanburg, SC
  • Average humidity in January: 72%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (68%).

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Average rainfall in January
Spartanburg, SC

Average rainfall in January - Spartanburg, SC
  • Average rainfall in January: 2.56"

The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (1.54").

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Average rainfall days in January
Spartanburg, SC

Average rainfall days in January - Spartanburg, SC
  • Average rainfall days in January: 9.9 days

The months with the highest number of rainy days are July and August (15.8 days).
The month with the least rainy days is November (8.5 days).

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Average snowfall in January
Spartanburg, SC

Average snowfall in January - Spartanburg, SC
  • Average snowfall in January: 1.18"

The month with the highest snowfall is December (2.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in January
Spartanburg, SC

Average snowfall days in January - Spartanburg, 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, October and November (0 days).

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

Average daylight in January / Average sunshine in January - Spartanburg, 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 4min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average sunshine days in January
Spartanburg, SC

Average sunshine days in January - Spartanburg, SC
  • Average sunshine days in January: 19 days

The month with the most sunshine days is October (22 days).
The month with the least sunshine days is July (12.7 days).

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Average UV index in January
Spartanburg, SC

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

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

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Average cloud cover in January
Spartanburg, SC

Average cloud cover in January - Spartanburg, SC
  • Average cloud cover in January: 38

The months with the most cloud cover are February and December (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 29).

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Average visibility in January
Spartanburg, SC

Average visibility in January - Spartanburg, 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).

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Spartanburg, South Carolina, USA

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