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December Weather in Dalhart, United States

Last updated: June 24, 2025

In December, the average temperature in Dalhart, United States hovers around 4°C (40°F), with a range that can dip as low as -13°C (10°F) and reach as high as 23°C (74°F). Expect a bit of moisture, with an average precipitation amount of 14 mm (0.6 in) over 2 days, coupled with a notable average humidity of 77%. Stay prepared for a mix of chilly and mild weather!

December Temperature in Dalhart

In December in Dalhart, the average temperature is 4°C (40°F). Maximums can reach 23°C (74°F), while minimums can drop as low as -13°C (10°F). Be prepared for a wide range of temperatures when traveling during this time.

December Weather in Dalhart: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Dalhart, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dalhart, December typically has an average temperature of 4°C (40°F), with highs reaching up to 23°C (74°F) and lows dropping to around -13°C (10°F).
JanFebMarAprMayJunJulAugSepOctNovDec373849556676797771574739
Data source: Temperature data for Dalhart 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.

December Precipitation in Dalhart

In Dalhart in December, the precipitation amount is 14 mm (0.6 in) over a period of 2 days.

December Precipitation Trends in Dalhart

The chart displays monthly precipitation patterns in Dalhart, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Dalhart, December typically receives around 14 mm (0.6 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec151039375943295431501214
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Dalhart

In Dalhart in December humidity is 77%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that penetrates your clothing, making outdoor exploration less enjoyable and prompting travelers to seek shelter or warm indoor activities instead.

December Average Humidity in Dalhart

This chart illustrates the average monthly humidity levels in Dalhart, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Dalhart is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%75%61%62%69%74%75%78%76%76%80%77%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Dalhart

In Dalhart in December, 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 Dalhart for better planning.

Maximum UV Index Levels in Dalhart for December

The chart shows the monthly maximum UV Index (UVI) for Dalhart in December, 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 December, the maximum UV index in Dalhart typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468111112121110754
Data source: Dalhart December 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 December Weather in Dalhart Compares to Other Months

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

This table compares monthly weather conditions in Dalhart, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)15 mm (0.6 inches)74%moderate
February Weather3°C (39°F)10 mm (0.4 inches)75%high
March Weather10°C (50°F)39 mm (1.5 inches)61%very high
April Weather13°C (56°F)37 mm (1.5 inches)61%extreme
May Weather19°C (66°F)58 mm (2.3 inches)69%extreme
June Weather24°C (76°F)43 mm (1.7 inches)74%extreme
July Weather26°C (79°F)29 mm (1.1 inches)75%extreme
August Weather25°C (77°F)54 mm (2.1 inches)78%extreme
September Weather22°C (71°F)31 mm (1.2 inches)76%very high
October Weather14°C (57°F)50 mm (2.0 inches)76%high
November Weather8°C (47°F)11 mm (0.5 inches)80%moderate
December Weather4°C (40°F)14 mm (0.6 inches)77%moderate

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