Weather For December 2025 Houston Texas. Daily high temperatures decrease by 5°f, from 68°f to 64°f, rarely falling below 49°f or exceeding 79°f. Explore comprehensive december 2025 weather forecasts for houston, including daily high and low temperatures, precipitation risks, and monthly temperature trends.

It looks as though 2025 will end on a warm note for texas, according to the national weather service’s climate prediction center. This temperature outlook map for the next eight.