Dallas Weather in December – Average Temperature and Rainfall
- High
- 15.8°
- Low
- 6.3°
- Rainfall
- 73 mm
- Rainy season
- 8d
- max
- 28.7°
- min
- -11.3°
December
- Early
- 16.0° 19.2 mm
- Mid
- 15.2° 20.3 mm
- Late
- 16.2° 33.6 mm
Summary
The climate figures for Dallas are averaged from 2016–2025 observations (10 years). Annual rainfall averages about 1,401 mm.
The rainy season runs February–November. The wettest month is May with 186.8 mm across 13 rain days; the driest is July at just 72.2 mm.
The hottest month is July (average high 35°C) and the coolest is January (13.2°C).
The most comfortable time to visit Dallas is July — less rain and milder heat.
Monthly averages
Common questions
Will it rain in Dallas today?
No. The chance of rain today is only about 9%.
How hot is it in Dallas today?
Between 26°C and 35°C, with a felt maximum of 37°C.
What is the weather in Dallas tomorrow?
Tomorrow: drizzle, 26–35°C, with a 3% chance of rain.