Dallas in December
3.9out of 10
Not the best time
Cold: highs around 8°C. Very wet: about 18 rainy days.
8°CAvg high
2°CAvg low
18Rainy days (208 mm)
8:36 hDaylight
07:51Sunrise · 16:28 Sunset
Why this score
- Cold: highs around 8°C
- Very wet: about 18 rainy days
- Rain varies a lot between years (±4.9 days)
What to wear and pack
- A warm jacket
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in December varies a lot between years (±4.9 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 8°C | 2°C | 175 mm | 17 | – | – | 4.2 |
| February | 11°C | 3°C | 135 mm | 14 | – | – | 5.1 |
| March | 13°C | 4°C | 151 mm | 18 | – | – | 5.0 |
| April | 16°C | 5°C | 111 mm | 15 | – | – | 6.0 |
| May | 20°C | 8°C | 66 mm | 10 | – | – | 7.5 |
| June | 23°C | 10°C | 38 mm | 6 | – | – | 8.2 |
| July | 28°C | 13°C | 8 mm | 2 | – | – | 8.9 |
| August | 29°C | 13°C | 12 mm | 2 | – | – | 8.8 |
| September | 25°C | 11°C | 37 mm | 5 | – | – | 8.5 |
| October | 18°C | 7°C | 99 mm | 11 | – | – | 6.9 |
| November | 11°C | 4°C | 173 mm | 16 | – | – | 4.8 |
| December | 8°C | 2°C | 208 mm | 18 | – | – | 3.9 |
Frequently asked questions
How hot is Dallas in December?
Daytime highs average 8°C and nights about 2°C.
When is the best time to visit Dallas?
The best months are July, August, September.