January Weather in Dallas City, United States

Last updated: June 24, 2025

In January, the average temperature in Dallas City, United States hovers around -3°C (26°F), presenting a chilly climate. You can expect minimums plummeting to -29°C (-20°F) and reaching a maximum of 14°C (58°F). With 56 mm (2.2 in) of precipitation spread over 7 days, the air tends to be quite humid, averaging 81%. Bundle up and prepare for a mix of winter weather!

January Temperature in Dallas City

In January in Dallas City, the average temperature is -3°C (26°F). The maximum can reach 14°C (58°F) and the minimum can be as low as -29°C (-20°F). It's advisable to prepare for a wide range of temperatures if you're planning to travel during this time.

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

The chart illustrates January temperature patterns in Dallas City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dallas City, January typically has an average temperature of -3°C (26°F), with highs reaching up to 14°C (58°F) and lows dropping to around -29°C (-20°F).

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

January Precipitation in Dallas City

In Dallas City in January, the total precipitation amount is 56 mm (2.2 in) over a period of 7 days.

January Precipitation Trends in Dallas City

The chart displays monthly precipitation patterns in Dallas 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 Dallas City, January typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 7 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 Dallas City

In Dallas City in January, humidity is 81%. With an average temperature of -3°C (26°F), this humidity feels like an icy blanket wrapping around you, making travel uncomfortable and the cold air penetrate your clothes, turning every step into a brisk challenge.

January Average Humidity in Dallas City

This chart illustrates the average monthly humidity levels in Dallas 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 Dallas City is approximately 81%, 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 Dallas City

In Dallas City 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 Dallas City, you can check the information here.

Maximum UV Index Levels in Dallas City for January

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

Data source: Dallas 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 Dallas City Compares to Other Months

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

This table compares monthly weather conditions in Dallas City, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (26°F)	56 mm (2.2 inches)	81%	moderate
February Weather	-2°C (29°F)	60 mm (2.3 inches)	81%	moderate
March Weather	5°C (42°F)	97 mm (3.8 inches)	81%	high
April Weather	10°C (51°F)	92 mm (3.6 inches)	82%	very high
May Weather	18°C (64°F)	168 mm (6.6 inches)	78%	very high
June Weather	24°C (75°F)	131 mm (5.1 inches)	81%	extreme
July Weather	26°C (78°F)	79 mm (3.1 inches)	79%	very high
August Weather	24°C (75°F)	75 mm (3.0 inches)	77%	very high
September Weather	21°C (70°F)	100 mm (4.0 inches)	78%	very high
October Weather	13°C (56°F)	123 mm (4.8 inches)	78%	high
November Weather	5°C (41°F)	51 mm (2.0 inches)	87%	moderate
December Weather	1°C (34°F)	45 mm (1.8 inches)	84%	low