January Weather in Carrollton, United States

Last updated: June 24, 2025

In January, the average temperature in Carrollton, United States hovers around -1°C (31°F). Expect chilly days with a minimum temperature that can plunge to -23°C (-10°F), while the mercury may rise to a comfortable 18°C (65°F) at times. Prepare for 67 mm (2.6 in) of precipitation spread over 8 days, and don’t forget the humidity, which averages a high 82%—making it feel even colder!

January Temperature in Carrollton

In January in Carrollton, the average temperature is -1°C (31°F), with maximums soaring to 18°C (65°F) and minimums plunging as low as -23°C (-10°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack appropriately for both mild and extreme weather conditions.

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

The chart illustrates January temperature patterns in Carrollton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Carrollton, January typically has an average temperature of -1°C (31°F), with highs reaching up to 18°C (65°F) and lows dropping to around -23°C (-10°F).

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

January Precipitation in Carrollton

In Carrollton in January, the total precipitation amount is 67 mm (2.6 in) over the course of 8 days.

January Precipitation Trends in Carrollton

The chart displays monthly precipitation patterns in Carrollton, 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 Carrollton, January typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 8 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 Carrollton

In Carrollton in January humidity is 82%. With an average temperature of -1°C (31°F), this humidity feels like a heavy, biting chill that seeps through layers of clothing, making outdoor activities uncomfortable and urging travelers to seek shelter or warm beverages to combat the cold.

January Average Humidity in Carrollton

This chart illustrates the average monthly humidity levels in Carrollton, 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 Carrollton is approximately 82%, 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 Carrollton

In Carrollton in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Carrollton, you can check the information here.

Maximum UV Index Levels in Carrollton for January

The chart shows the monthly maximum UV Index (UVI) for Carrollton 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 Carrollton typically reaches 3, which falls under the moderate exposure category.

Data source: Carrollton 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 Carrollton Compares to Other Months

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

This table compares monthly weather conditions in Carrollton, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (31°F)	67 mm (2.6 inches)	82%	moderate
February Weather	1°C (34°F)	71 mm (2.8 inches)	80%	moderate
March Weather	7°C (45°F)	135 mm (5.3 inches)	80%	high
April Weather	12°C (54°F)	122 mm (4.8 inches)	80%	very high
May Weather	19°C (66°F)	156 mm (6.2 inches)	82%	very high
June Weather	24°C (76°F)	102 mm (4.0 inches)	83%	extreme
July Weather	26°C (79°F)	91 mm (3.6 inches)	81%	extreme
August Weather	24°C (75°F)	116 mm (4.6 inches)	80%	very high
September Weather	22°C (71°F)	77 mm (3.0 inches)	76%	very high
October Weather	14°C (58°F)	98 mm (3.9 inches)	76%	high
November Weather	6°C (43°F)	64 mm (2.5 inches)	85%	moderate
December Weather	3°C (38°F)	50 mm (2.0 inches)	86%	moderate