Dallas 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: March – April, October – November
What is the weather like in Dallas in December?
In December, Dallas is cool: daytime highs average 15 °C, and nights cool down to about 5 °C. Expect around 5 hours of sunshine a day. Rain falls on about 7 days, adding up to 80 mm. All in all, December is a good month for a holiday in Dallas.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 82 | 64 | 61 |
| Day | 19° | 15° | 14° |
| Night | 10° | 5° | 4° |
| Sun | 6 h | 5 h | 6 h |
| Rain days | 7 | 7 | 6 |
More details for December
- Daylight
- 10 h 1 min07:22 – 17:23
- UV index
- 3 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 21 km/haverage daily peakAll months
- Cloud cover
- 49 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC−6America/Chicago
How the score comes together
- Temperatureweight 50 %66 %
- Sunshineweight 20 %35 %
- Few rainy daysweight 30 %80 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in December
- A jumper for the evenings
Dallas in December: quick answers
Is Dallas hot in December?
No. In December, Dallas is cool: daytime highs average 15 °C and nights drop to about 5 °C.
Does it rain much in Dallas in December?
Rain falls on about 7 days, adding up to 80 mm.
Dallas month by month
The whole year in DallasAll 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