Due to the city's location inland from the Gulf Coast, the city's climate is characterized by a relatively wide annual temperature range, as well as significant weather variations in a given month.Ĭlimate data for Dallas ( Love Field), 1991–2020 normals, extremes 1913–present On the other hand, a couple of times each year, warm and humid air from the south overrides cold, dry air, leading to freezing rain, which often causes major disruptions in the city if the roads and highways become slick. Winter ĭuring the freezing winter season, daytime highs above 65 ☏ (18 ☌) are not unusual. Department of Agriculture places Dallas in Plant Hardiness Zone 8a.
When these fronts meet over north central Texas, severe thunderstorms are generated with spectacular lightning shows, torrents of rain, hail, and occasionally, tornadoes (Dallas is located at the lower-end of the Tornado Alley). In the spring, cool fronts moving south from Canada collide with warm, humid air streaming in from the Gulf Coast. The spring and fall seasons are pleasant in Dallas, as seen in this March photograph from an Oak Cliff park The weather in Dallas is also generally pleasant between late September and early December, and unlike springtime, major storms rarely form in the area. Springtime weather can be quite volatile, but temperatures themselves are mild. Vibrant wildflowers (such as the bluebonnet, Indian paintbrush and other flora) bloom in spring and are planted around the highways throughout Texas. Spring and autumn bring pleasant weather to the area. Dallas receives approximately 37.1 inches (942 mm) of equivalent rain per year. The average daily low in Dallas is 57.1 ☏ (13.9 ☌) and the average daily high in Dallas is 76.7 ☏ (24.8 ☌). The city's all-time recorded high temperature is 113 ☏ (45 ☌) during the Heat Wave of 1980, while the all-time recorded low is −8 ☏ (−22 ☌) 1899. During the summer, the region receives warm and dry winds from the north and west, as well as hot, humid air from the Gulf of Mexico.
Summers are very hot and humid, with temperatures approaching those of desert and semidesert locations of similar latitude.
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