Dallas weather in December
Dallas in December averages 10°C (49°F) and 79 mm of rain.
Of the twelve months in Dallas, December is the second coldest and the sixth wettest.
- Average temp
- 10°C (49°F)
4–15°C · 40–59°F
- Rainfall
- 79 mm
Showers likely
- Sunshine
- —
- Wind
- 14 km/h
What is Dallas like in December?
Daytime
Days are cool.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Dallas in December?
A light rain jacket
About 79 mm falls this month — showers rather than washouts.
A warm mid-layer
Nights drop to around 4°C (40°F).
December compared with November and January
December in Dallas is 4.7°C cooler than November and about as wet as it, which averages 14°C (58°F).
December in Dallas is 0.9°C warmer than January and 15 mm wetter than it, which averages 9°C (48°F).
Daylight in Dallas in December
On 15 December the sun is up for 10 hours in Dallas, rising about 07:22 and setting about 17:22 local time.
No month in Dallas has less daylight than December.
Where to stay in Dallas
Dates are a starting point for December.
Travel guides for Dallas
What to read before you book.
Dallas weather by month
TemperatureRainfall
How December compares with the rest of the year
December is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 9°C / 48°F | 64 mm |
| February | 11°C / 52°F | 70 mm |
| March | 15°C / 60°F | 88 mm |
| April | 20°C / 67°F | 80 mm |
| May | 24°C / 75°F | 116 mm |
| June | 28°C / 83°F | 97 mm |
| July | 31°C / 87°F | 45 mm |
| August | 31°C / 87°F | 56 mm |
| September | 27°C / 80°F | 76 mm |
| October | 21°C / 69°F | 122 mm |
| November | 14°C / 58°F | 75 mm |
| December | 10°C / 49°F | 79 mm |
Similar weather in December
Other destinations whose December averages sit close to this one.
Check another month
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FAQs about Dallas in December
December climate averages for Dallas, 1991–2020.
Dallas averages 10°C (49°F) in December, ranging from about 4°C (40°F) at night to 15°C (59°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 79 mm falls across December, enough to need a light jacket but not enough to reshape a trip.
Yes. December averages 10°C (49°F) against 9°C (48°F) in January — 0.9°C warmer.
December is 4.7°C cooler than November, and about as wet.
It is outside the easiest window. The most comfortable stretch here is April to July; December sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what December is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 10 hours of daylight in mid-December, the least of any month in Dallas.
On 15 December, sunrise is about 07:22 and sunset about 17:22 local time. Both shift across the month.
