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January Weather in Harker Heights, United States

Last updated: June 24, 2025

In January, the average temperature in Harker Heights, 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 Harker Heights

In January in Harker Heights, 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 Harker Heights.

January Weather in Harker Heights: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Harker Heights, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harker Heights, 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).
JanFebMarAprMayJunJulAugSepOctNovDec505263677682868680705954
Data source: Temperature data for Harker Heights 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 Harker Heights

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

January Precipitation Trends in Harker Heights

The chart displays monthly precipitation patterns in Harker Heights, 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 Harker Heights, January typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec51637484177705992871143955
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Harker Heights

In Harker Heights 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 Harker Heights

This chart illustrates the average monthly humidity levels in Harker Heights, 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 Harker Heights is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%78%77%78%82%78%69%63%66%73%84%87%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Harker Heights

In Harker Heights 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 Harker Heights.

Maximum UV Index Levels in Harker Heights for January

The chart shows the monthly maximum UV Index (UVI) for Harker Heights 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 Harker Heights typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579101112121111864
Data source: Harker Heights 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 Harker Heights Compares to Other Months

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

This table compares monthly weather conditions in Harker Heights, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)51 mm (2.0 inches)78%moderate
February Weather11°C (52°F)63 mm (2.5 inches)78%high
March Weather17°C (63°F)74 mm (2.9 inches)77%very high
April Weather20°C (68°F)84 mm (3.3 inches)78%very high
May Weather24°C (76°F)177 mm (7.0 inches)82%extreme
June Weather28°C (82°F)70 mm (2.8 inches)78%extreme
July Weather30°C (86°F)59 mm (2.3 inches)69%extreme
August Weather30°C (86°F)91 mm (3.6 inches)63%extreme
September Weather26°C (80°F)87 mm (3.4 inches)66%extreme
October Weather21°C (70°F)113 mm (4.5 inches)73%very high
November Weather15°C (59°F)39 mm (1.5 inches)84%high
December Weather12°C (54°F)55 mm (2.1 inches)87%moderate

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