Dallas Weather in October
By October the weather at Dallas, Texas has cooled and extremely hot days are now uncommon. But along with the pleasant temperatures comes an increase in rainfall.
This page gives detailed information on the typical October temperature, precipitation, sun, humidity, wind and storms for Dallas. The temperature, precipitation and wind speed numbers here are historical averages based on climate data gathered at the Dallas Love Field Airport, located a few miles from downtown Dallas. The rest of the measurements are averages from the nearby Dallas - Fort Worth International Airport.
|80 °F||October average high||26 °C|
|59 °F||October average low||15 °C|
|17 days||80 °F max. or more (27 °C)|
|17 days||60 °F min. or less (16 °C)|
Most October days warm to over 70 degrees Fahrenheit (21 degrees Celsius) in Dallas. The city averages 4 days this month when the thermometer reaches into the 90s °F (over 32 °C). Temperatures above 100 °F (38 °C) are not expected here during October.
The thermometer dips to 50 °F (10 °C) or below on an average of 6 nights. Only in some years does October get as cold as 40 °F (4 °C).
|4.8 in||total precipitation||122 mm|
|7 days||of rain|
Half the time, Dallas receives 1.8 to 6.2 inches (47 to 158 mm) of rainfall in October. One in four years has drier weather, while another one in four is wetter.
|14 days||clear skies|
The sun's rays reach the ground in Dallas during 63 percent of daylight hours on average in October, for a total of 222 hours in the month. Typically on 14 days this month the sky is mainly clear, with at most 30 percent cloud cover.
Sunlight in October at Dallas lasts for 11 hours and 20 minutes a day on average. The longest day of the month is the 1st with 11 hours and 50 minutes of daylight. By the end of the month, the days have shortened to 10:53 from sunrise to sunset. These durations can vary by a minute or two from year to year.
|66 %||October average humidity|
The relative humidity in Dallas during October usually peaks at 82 percent in the morning then drops to 47 percent by mid afternoon.
|Local Time||12 am||3 am||6 am||9 am||12 pm||3 pm||6 pm||9 pm|
|8.4 mph||October wind speed average||13.5 kph|
October is less windy than most other months in Dallas.
|3 days||rainfall of 0.5 inches (13 mm) or more|
|3 days||with thunderstorms in October|
|2 %||chance a named storm approaches|
There's a 2 percent probability that a named tropical storm will approach within 100 miles (165 km) of Dallas during October. Hurricanes are not expected here this month.
The weather data here are long-term averages provided by the US National Centers for Environmental Information (NCEI). Temperature and precipitation are 1991-2020 normals while humidity and thunderstorms are 1961-1990 normals. The named storm probabilities come from the Atlantic Oceanographic and Meteorological Laboratory, Hurricane Research Division.