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January Weather in Carrollton, United States

Last updated: June 24, 2025

In Carrollton, United States, the average temperature in January hovers around -1°C (31°F). You can expect a minimum temperature dipping to -22°C (-8°F), while the maximum can reach a cozy 18°C (64°F). During this time, the area typically sees about 59 mm (2.3 in) of precipitation spread over 7 days, contributing to an average humidity of around 80%.

January Temperature in Carrollton

In January in Carrollton, the average temperature is -1°C (31°F), with maximums reaching up to 18°C (64°F) and minimums dropping as low as -22°C (-8°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.

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 (64°F) and lows dropping to around -22°C (-8°F).
JanFebMarAprMayJunJulAugSepOctNovDec313346546677797672574438
Data source: Temperature data for Carrollton generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Carrollton

In Carrollton in January, the precipitation amount is 59 mm (2.3 in) over a span of 7 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 59 mm (2.3 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec59501119021712310387751124734
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Carrollton

In Carrollton in January humidity is 80%. With average temperature -1°C (31°F), this humidity feels like a biting chill that seeps into your bones, making every step outdoors a brisk reminder of 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 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%75%77%82%83%81%78%72%72%84%86%
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.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
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.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)59 mm (2.3 inches)80%moderate
February Weather0°C (33°F)50 mm (2.0 inches)78%moderate
March Weather8°C (46°F)111 mm (4.4 inches)75%high
April Weather12°C (54°F)90 mm (3.5 inches)77%very high
May Weather19°C (66°F)217 mm (8.5 inches)82%very high
June Weather25°C (77°F)123 mm (4.8 inches)83%extreme
July Weather26°C (79°F)103 mm (4.0 inches)81%extreme
August Weather25°C (77°F)87 mm (3.4 inches)78%very high
September Weather22°C (72°F)75 mm (2.9 inches)72%very high
October Weather14°C (58°F)112 mm (4.4 inches)72%high
November Weather7°C (44°F)47 mm (1.9 inches)84%moderate
December Weather3°C (38°F)34 mm (1.4 inches)86%moderate

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