January Weather in Siler City, United States

Last updated: June 24, 2025

In January, the average temperature in Siler City, United States hovers around 6°C (43°F). Expect a chilly minimum of -16°C (3°F) and an occasional pleasant maximum of 25°C (77°F). With an average precipitation of 91 mm (3.6 in) spread across 9 days, and 85% humidity, it's wise to be prepared for both cool air and damp conditions.

January Temperature in Siler City

In January in Siler City, the average temperature is 6°C (43°F), with maximums reaching up to 25°C (77°F) and minimums plummeting as low as -16°C (3°F). Travelers should be prepared for a wide range of temperatures during this month, making layered clothing essential for comfort.

January Weather in Siler City: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Siler City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siler City, January typically has an average temperature of 6°C (43°F), with highs reaching up to 25°C (77°F) and lows dropping to around -16°C (3°F).

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

January Precipitation in Siler City

In Siler City in January, the precipitation amount is 91 mm (3.6 in) spread over 9 days.

January Precipitation Trends in Siler City

The chart displays monthly precipitation patterns in Siler City, 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 Siler City, January typically receives around 91 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 Siler City

In Siler City in January, humidity is 85%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making travel feel more uncomfortable and limiting your enjoyment of the sights as you navigate the wet, brisk air.

January Average Humidity in Siler City

This chart illustrates the average monthly humidity levels in Siler City, 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 Siler City is approximately 85%, 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 Siler City

In Siler City 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 Siler City for better planning.

Maximum UV Index Levels in Siler City for January

The chart shows the monthly maximum UV Index (UVI) for Siler City 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 Siler City typically reaches 4, which falls under the moderate exposure category.

Data source: Siler City 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 Siler City Compares to Other Months

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

This table compares monthly weather conditions in Siler City, 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 (43°F)	91 mm (3.6 inches)	85%	moderate
February Weather	9°C (49°F)	113 mm (4.4 inches)	82%	high
March Weather	11°C (53°F)	81 mm (3.2 inches)	81%	very high
April Weather	16°C (62°F)	100 mm (3.9 inches)	80%	very high
May Weather	21°C (70°F)	117 mm (4.6 inches)	81%	extreme
June Weather	24°C (76°F)	106 mm (4.2 inches)	81%	extreme
July Weather	27°C (80°F)	106 mm (4.2 inches)	81%	extreme
August Weather	26°C (78°F)	127 mm (5.0 inches)	80%	very high
September Weather	23°C (74°F)	143 mm (5.6 inches)	79%	very high
October Weather	18°C (65°F)	84 mm (3.3 inches)	80%	very high
November Weather	10°C (51°F)	80 mm (3.1 inches)	85%	moderate
December Weather	8°C (47°F)	107 mm (4.2 inches)	86%	moderate