Weather in Houston in December
December in Houston is cool with average temperatures around 12.0°C (53.6°F). Moderate rainfall of 96mm spread over 9 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
17.7°C
63.9°F
Low
6.4°C
43.5°F
Precipitation
96 mm
3.8 inches
~9 rainy days
Conditions
Humidity
80%
Comparison to Adjacent Months
December is 4.3°C cooler than November.