Houston weather in December
Temperature, rain and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Good
Best time to visit: October – April
What is the weather like in Houston in December?
In December, Houston is mild: daytime highs average 18 °C, and nights cool down to about 9 °C. Expect around 4 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 102 mm in total. All in all, December is a good month for a holiday in Houston.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 78 | 72 | 68 |
| Day | 22° | 18° | 17° |
| Night | 13° | 9° | 8° |
| Sun | 5 h | 4 h | 5 h |
| Rain days | 8 | 10 | 10 |
More details for December
- Daylight
- 10 h 15 min07:09 – 17:24
- UV index
- 3 · moderateclear sky, noon (estimate)All months
- Muggy days
- 4 daysdew point 18 °C or moreAll months
- Wind
- 19 km/haverage daily peakAll months
- Cloud cover
- 58 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC−6America/Chicago
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %23 %
- Few rainy daysweight 30 %59 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in December
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Houston in December: quick answers
Is Houston hot in December?
No. In December, Houston is mild: daytime highs average 18 °C and nights drop to about 9 °C.
Does it rain much in Houston in December?
Rain is frequent, with about 10 rainy days and 102 mm in total.
Houston month by month
The whole year in HoustonAll destinations: USAWhere to go in December
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences