December Weather in Dallas

By: Seat Earning

Daily high temperatures decrease by 6°F, from 62°F to 56°F, rarely falling below 40°F or exceeding 75°F. Daily low temperatures decrease by 6°F, from 44°F to 39°F, rarely falling below 26°F or exceeding 58°F.

The month of December in Dallas experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 40% to 44%. The highest chance of overcast or mostly cloudy conditions is 45% on December 26. 

Clouds

Precipitation

 A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Dallas, the chance of a wet day over the course of December is decreasing, starting the month at 21% and ending it at 16%. 

Rain Fall

To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day  

SUN

Over the course of December in Dallas, the length of the day is essentially constant. The shortest day of the month is December 21, with 9 hours, 59 minutes of daylight and the longest day is December 1, with 10 hours, 9 minutes of daylight. 

MOON

The figure below presents a compact representation of key lunar data for December 2022. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon 

Humidity

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. 

WIND

The average hourly wind speed in Dallas is essentially constant during December, remaining within 0.1 miles per hour of 10.3 miles per hour throughout. 

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