January Weather in Carrollton, United States

Last updated: June 24, 2025

In Carrollton, United States, the average temperature in January is a brisk 8°C (46°F). Expect a range where the minimum dips to -11°C (12°F) and the maximum can reach up to 25°C (77°F). This month also brings significant moisture, with an average precipitation of 108 mm (4.3 in) spread over 9 days. Humidity hovers high at around 85%, making it a truly unique experience!

January Temperature in Carrollton

In January in Carrollton, the average temperature is 8°C (46°F). Maximums can reach 25°C (77°F), while minimums can drop as low as -11°C (12°F). Be prepared for a wide range of temperatures, making it essential to pack both warm and light clothing for your travels.

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 8°C (46°F), with highs reaching up to 25°C (77°F) and lows dropping to around -11°C (12°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 precipitation amount is 108 mm (4.3 in) spread over 9 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 108 mm (4.3 inches) of precipitation spread over approximately 9 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Carrollton

In Carrollton in January humidity is 85%. With an average temperature of 8°C (46°F), this humidity feels like a cold, damp embrace that can leave travelers feeling chilled and uncomfortable, making outdoor exploration less appealing and encouraging the search for cozy indoor activities instead.

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 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 Carrollton

In Carrollton 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 Carrollton for better planning.

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 4, 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	8°C (46°F)	108 mm (4.3 inches)	85%	moderate
February Weather	11°C (52°F)	151 mm (5.9 inches)	84%	high
March Weather	14°C (57°F)	122 mm (4.8 inches)	82%	very high
April Weather	17°C (62°F)	127 mm (5.0 inches)	82%	very high
May Weather	22°C (71°F)	94 mm (3.7 inches)	81%	extreme
June Weather	24°C (76°F)	127 mm (5.0 inches)	77%	extreme
July Weather	26°C (79°F)	113 mm (4.4 inches)	77%	extreme
August Weather	26°C (78°F)	135 mm (5.3 inches)	72%	very high
September Weather	24°C (75°F)	105 mm (4.1 inches)	73%	very high
October Weather	19°C (66°F)	123 mm (4.8 inches)	73%	very high
November Weather	11°C (52°F)	85 mm (3.4 inches)	85%	high
December Weather	9°C (49°F)	144 mm (5.7 inches)	88%	moderate