Houston weather in December
Long-run climate averages for Houston, TX in December, plus what the forecast models say for the days ahead.
In December, Houston averages 63°F by day and 47°F at night. The wettest month is usually June.
December in Houston averages a daytime high of 63°F and an overnight low of 47°F, which reads as mild for this part of the world. It is among the three coldest months of the year here. Across the whole year Houston sees roughly 54 inches of precipitation.
Climate averages tell you what to pack. They do not tell you what next Tuesday looks like - for that, see the live Houston forecast with every model compared and how much they currently agree.
Houston weather by month
what to expect in Houston through the year, 1991-2020 averagesHere is Houston's typical weather in each month: the average daytime high and overnight low in °F, how each month feels, and the wettest month marked. Use it to plan any trip to Houston by season.
Bottom line: over the last 30 days the European model has been the most accurate forecast for Houston, scoring 92/100 on our CheckWeather Score, ahead of the American at 69. See the full US accuracy scoreboard for exactly how every model is tested.
Common questions
How warm is Houston in December?
Is December a good time to visit Houston?
Does it rain a lot in Houston in December?
Climate averages from ERA5 reanalysis. Model accuracy re-scored over a rolling 30 days. Page updated .