January Weather in Spartanburg, United States

Last updated: June 24, 2025

In January, the average temperature in Spartanburg, United States is a cool 6°C (44°F), with a notable range where the minimum can dip to -13°C (10°F) and the maximum can rise to 25°C (78°F). This month experiences about 90 mm (3.6 in) of precipitation spread over 9 days, contributing to an average humidity of 86%. Prepare for a brisk atmosphere and the possibility of damp days!

January Temperature in Spartanburg

In January in Spartanburg, the average temperature is 6°C (44°F). Maximum temperatures can reach 25°C (78°F), while minimums can drop as low as -13°C (10°F). Therefore, it’s advisable to pack layered clothing to comfortably enjoy a range of weather during your travels.

January Weather in Spartanburg: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Spartanburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Spartanburg, January typically has an average temperature of 6°C (44°F), with highs reaching up to 25°C (78°F) and lows dropping to around -13°C (10°F).

Data source: Temperature data for Spartanburg generated using information from the Copernicus Climate Change Service.

January Precipitation in Spartanburg

In Spartanburg in January, the precipitation amount is 90 mm (3.6 in) spread over the course of 9 days.

January Precipitation Trends in Spartanburg

The chart displays monthly precipitation patterns in Spartanburg, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Spartanburg, January typically receives around 90 mm (3.6 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Spartanburg

In Spartanburg in January, humidity is 86%. With an average temperature of 6°C (44°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities quite uncomfortable for traveling.

January Average Humidity in Spartanburg

This chart illustrates the average monthly humidity levels in Spartanburg, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Spartanburg is approximately 86%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Spartanburg

In Spartanburg in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Spartanburg for better planning.

Maximum UV Index Levels in Spartanburg for January

The chart shows the monthly maximum UV Index (UVI) for Spartanburg in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Spartanburg typically reaches 4, which falls under the moderate exposure category.

Data source: Spartanburg January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Spartanburg Compares to Other Months

Weather in Spartanburg varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Spartanburg, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Spartanburg, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (44°F)	90 mm (3.6 inches)	86%	moderate
February Weather	9°C (49°F)	127 mm (5.0 inches)	85%	high
March Weather	12°C (54°F)	96 mm (3.8 inches)	84%	very high
April Weather	16°C (62°F)	121 mm (4.8 inches)	82%	very high
May Weather	21°C (71°F)	126 mm (5.0 inches)	83%	extreme
June Weather	25°C (77°F)	77 mm (3.0 inches)	82%	extreme
July Weather	27°C (81°F)	87 mm (3.4 inches)	80%	extreme
August Weather	26°C (79°F)	106 mm (4.2 inches)	74%	very high
September Weather	23°C (75°F)	138 mm (5.4 inches)	75%	very high
October Weather	18°C (65°F)	114 mm (4.5 inches)	79%	very high
November Weather	10°C (51°F)	93 mm (3.6 inches)	87%	high
December Weather	8°C (47°F)	120 mm (4.7 inches)	87%	moderate