January Weather in Killeen, United States

Last updated: June 24, 2025

In January, the average temperature in Killeen, United States is a cool 10°C (50°F). Expect lows that can dip to -10°C (15°F) and highs reaching up to 27°C (81°F). The month sees about 51 mm (2.0 in) of precipitation spread over 6 days, accompanied by an average humidity of 78%. Stay prepared for a mix of weather!

January Temperature in Killeen

In January in Killeen, the average temperature is 10°C (50°F). The maximum can reach 27°C (81°F), and the minimum can be as low as -10°C (15°F). This wide range of temperatures makes it important to pack layers for your travel to Killeen.

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

The chart illustrates January temperature patterns in Killeen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Killeen, January typically has an average temperature of 10°C (50°F), with highs reaching up to 27°C (81°F) and lows dropping to around -10°C (15°F).

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

January Precipitation in Killeen

In Killeen in January, the precipitation amount is 51 mm (2.0 in) over the course of 6 days.

January Precipitation Trends in Killeen

The chart displays monthly precipitation patterns in Killeen, 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 Killeen, January typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 6 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 Killeen

In Killeen in January humidity is 78%. With an average temperature of 10°C (50°F), this humidity feels like a chilly dampness that can seep into your clothes, making outdoor activities less enjoyable and requiring extra layers to stay warm as you explore the area.

January Average Humidity in Killeen

This chart illustrates the average monthly humidity levels in Killeen, 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 Killeen is approximately 78%, 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 Killeen

In Killeen in January, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Killeen.

Maximum UV Index Levels in Killeen for January

The chart shows the monthly maximum UV Index (UVI) for Killeen 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 Killeen typically reaches 5, which falls under the moderate exposure category.

Data source: Killeen 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 Killeen Compares to Other Months

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

This table compares monthly weather conditions in Killeen, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	51 mm (2.0 inches)	78%	moderate
February Weather	11°C (52°F)	63 mm (2.5 inches)	78%	high
March Weather	17°C (63°F)	74 mm (2.9 inches)	77%	very high
April Weather	20°C (68°F)	84 mm (3.3 inches)	78%	very high
May Weather	24°C (76°F)	177 mm (7.0 inches)	82%	extreme
June Weather	28°C (82°F)	70 mm (2.8 inches)	78%	extreme
July Weather	30°C (86°F)	59 mm (2.3 inches)	69%	extreme
August Weather	30°C (86°F)	91 mm (3.6 inches)	63%	extreme
September Weather	26°C (80°F)	87 mm (3.4 inches)	66%	extreme
October Weather	21°C (70°F)	113 mm (4.5 inches)	73%	very high
November Weather	15°C (59°F)	39 mm (1.5 inches)	84%	high
December Weather	12°C (54°F)	55 mm (2.1 inches)	87%	moderate