Weather in Dallas in December
December in Dallas is cool with average temperatures around 8.2°C (46.8°F). Moderate rainfall of 61mm spread over 6 days.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
14.0°C
57.2°F
Low
2.3°C
36.1°F
Precipitation
61 mm
2.4 inches
~6 rainy days
Conditions
Humidity
73%
Comparison to Adjacent Months
December is 5.3°C cooler than November.