Dallas Weather in December
December in Dallas brings moderate temperatures around 15°C (59°F) during the day, dropping to 4°C (39°F) at night, with quite a bit of rainfall expected, averaging around 70 mm (2.8 in) for the month.
Rainfall in Dallas in December
Past climate data indicates that roughly 6 days will see rain, totalling around 70 mm (2.8 in) for the month. When rain does fall this month, it tends to come down hard. The low number of rain days makes each shower more significant.
Temperature in Dallas in December
Dallas in December gets highs of 15°C (59°F) during the day and drops to 4°C (39°F) at night. The month of December belongs to the winter season. Conditions are often most pleasant around the middle of the day. Nights fall to 4°C (39°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Dallas in December
The area experiences a moderate amount of sunshine, with approximately 175 hours of sunlight expected. This means a decent mix of sun and overcast.If you prefer enjoying temperate temperatures and rain-free days, April and November typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Dallas's climate page.
Dallas Temperature in December
Min Temperature
4°C (39°F)
Max Temperature
15°C (59°F)
Chance of Rain
20%
Precipitation
70 mm (2.8 in)
Rainy days
6 days
Humidity
67%
Sunshine
175 hours
Percentage Sunshine
56%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Dallas typically stay consistent throughout December, with daily highs averaging around 15°C (59°F). Nights are cold, with lows typically ranging from 2°C (36°F) to 6°C (43°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Dallas in December
Browse day-by-day weather records for Dallas spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Dallas historical weather extremes in December
Our historical data for Dallas spans 1976 to 2025, revealing these weather extremes.
- The warmest day in December was on December 26, 2025, with a maximum of 29°C (84°F).
Best Places in the United States of America in December
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in December →
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What to Wear in Dallas in December
The weather can swing between comfortable and chilly in December, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Wet weather is likely, so pack waterproof gear for multiple rainy days. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Dallas in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Dallas's climate page.
Temperature Rainfall Sunshine Humidity
See the full Dallas climate overview or explore weather in the United States of America.
