Climate & Environment
The weather in Dallas is moderate, with very warm summers and cool but comfortable winters. Dallas experiences four distinct seasons with summer running from June through September. Temperatures reach their zenith during July and August when they can reach 100°F (38°C.)
Winter in Dallas is usually mild and lasts from November through February and daytime temperatures can reach up to 66°F (19°C), but temperatures can dip below freezing.
Dallas receives most of its visitors in the Spring, April and May, when thunderstorms are common and rainfall comes in heavy bursts.
- Average rainfall is 34.7 inches per year.
- Annual number of sunny/partly sunny days is 223.
Dallas lies between the Piney Woods of east Texas and the Great Plains in the Blackland Prairie. Rolling grasslands are laced with bottomland forests along rivers and creeks. The Trinity River runs through the city and just south of downtown is the 6,000-acre Great Trinity Forest, home to an estimated 1,300 plant and animal species.
More on the Trinity River project