Weather in Houston in January
January in Houston is cool with average temperatures around 10.6°C (51.1°F). Moderate rainfall of 89mm 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
16.3°C
61.3°F
Low
5.0°C
41.0°F
Precipitation
89 mm
3.5 inches
~9 rainy days
Conditions
Humidity
81%
Comparison to Adjacent Months
January is 2.2°C cooler than February.