The Dallas weather is different according to season.Dallas weather is hot in summer a lot and cold in winter a lot.Weather in Dallas is change due to different scenario.Usually weather in Dallas is four like Summer,Winter,Autumn,Spring.The city of Dallas summer is humid climate, the city and the surrounding part of Texas also tends to receive warmer winds from the north and west in  Dallas summer season. Dallas winter, strong cold fronts from the north side pass Dallas City,Dallas Winter occasionally plummeting nightly lows between 10 F (−12 C) and 20 °F (−7 °C). Snowfall average is 3-4 1/2 days out of the year and snow accumulation is seen 2-3 1/2 days out of the year. Occasionally, warm and humid air from the south overrides cold, dry air, leading to the freezing rain which usually causes major disruptions in the city for a day or two if the roads and highways too bad and dangerous for driving on them. Dallas Spring and Dallas autumn  have very pleasant  and are usually the best times to visit. In Dallas spring people and visitors to the city appreciate the beauty of the vibrant wildflowers blurbonnet, Indian paintbrush and flora (such as which bloom in spring and are planted around the highways all over Texas In the Dallas spring the weather can be very volatile and can change dramatically in very short time. Storms, springtime is very mild and enjoyable in the city. The weather in Dallas is also very pleasant between late September and early November, and unlike springtime and there is rarely any storm during this period. The spring and fall seasons are pleasant in Dallas. Dallas receives approximately 37.1 inches (942.3 mm) of rain per year, much of which is delivered in the spring.

Floods

The average daily low temperature in Dallas is 57 °F which is about (14 °C) and the average daily high in Dallas is 77 °F which is about (25 °C).Major flooding occurred in the history in Trinity River in the years 1844, 1866, 1871, and 1890, but major event in the spring of 1908 set in motion the harnessing of the river. On May 26 1908, the Trinity River reached a depth of 52.6 feet and a width of 1.5 miles (2.4 km). Five people died that day about 4,000 people were left homeless, and it was estimated that the property damages $2.5 million. The Trinity River flooding on 8 July 1908.After worst flooding the city wanted to find a way to control the Trinity and to build a bridge that can link Oak Cliff and the Dallas. The immediate reaction was citizens and the city asking to build an all weather crossing over the Trinity. This have already been tried following the 1890 flood—the result was the "Long Wooden Bridge" that had connected Jefferson Boulevard in Oak Cliff and Cadiz in Dallas, but the resulting unstable bridge was quite easily washed away by the 1908 flood. George B. Daley, who is the publisher of the Dallas Morning News the proposed a 1.5 miles concrete bridge based on a bridge crossing the Missouri River in Kansas City. Then a US $ 650,000 bond was approved and in the year 1912, the Oak Cliff viaduct (now the Houston Street viaduct) was opened among festivities drawing for 58,000 spectators. The bridge, at the time, was the longest concrete structure in the world

Tornadoes

A multiple tornado outside of Dallas, Texas on April 2, 1957. Recently hurricane IKE fortunately passed Dallas without losses as it changed its direction and went towards Houston. Tornadoes are perhaps the biggest threat to the Dallas city as we have seen in the recent past and history.. Dallas was hit by a powerful tornado 2 April 1957, the tornado would have likely been an On March 28, 2000, the “Fort Worth Tornado” impacted Dallas's neighbor Fort Worth’s downtown, and a tornado in Arlington, This also happened that day damaging some homes. Even though Dallas is at the lower end of the "Tornado Alley”, that day wsa worst tornadoes to happen to the metropolis in the last 50 years.