Average temperatures, rainfall and packing tips for Houston, United States in January
January in Houston is typically mild, with average daytime highs around 16°C and nights near 6°C. It is usually the coldest month of the year in Houston.
January is one of the wetter months in Houston, with around 322 mm of rain - plan around showers.
If your dates are flexible, the most comfortable months in Houston are usually February, March, April, May, October, November and December.
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In January, Houston averages a daytime high of about 16°C and a night-time low of around 6°C, based on recent historical data. That makes it the coldest month of the year there.
January is one of the wetter months in Houston, with around 322 mm of rain - plan around showers.
January is a workable time to visit Houston, with mild days - just pack accordingly. If your dates are flexible, the most comfortable months in Houston are usually February, March, April, May, October, November and December.