Dallas Weather

Located approximately 250 miles north of the Gulf of Mexico, Dallas has a humid sub tropical type of climate. The climate is influenced by its proximity to the head waters of the Trinity River and the 500 to 800 feet elevation of the surrounding hills.

Due to the sub tropical climate Weather of Dallas is hot and humid during summers. Summer season in Dallas is characterized by fair skies, westerly winds, and high temperatures. But every summer season there comes some respite in the form of thunderstorm. Summer hot spells are often broken by three to five day periods of rain and thunderstorms.

The hottest month of the year is July when the temperature may frequently exceed 100°F. Temperature variations between night and day tend to be moderate, during summer with a difference that can reach 21°F. The nights in summer rarely exceed 80°F. Residents use air conditioners in rooms and vehicles to keep cool in the summer. Precipitation also varies considerably, ranging from less than 20 to more than 50 inches.

Dallas experiences mild winters. Northerly winds blow about three times a year. This causes a sudden drop of temperature. Weather of Dallas also experiences spells of extreme cold, but they are usually short lived. January is the coldest month of the year with an average low temperature of 34°F. Despite being the coldest month the weather in January is often mild. The temperature difference between day and night during winter is about 21°F.

Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 5.44 Inches. Throughout the year, rainfall occurs more frequently during the night. Rainy weather lasts for a day or two. Heavy rainfall over brief periods of time takes place during thunderstorms. Though thunderstorms occur throughout the year, it is a regular feature in spring. Windstorm sometimes accompanying thunderstorm can be very destructive.

Dallas experiences hail falls for two or three days a year, but snowfall is a rare phenomenon.