On average, there are 236 sunny days per year in Decatur, TX. The July high is around 98 degrees. The January low is 30. Our comfort index, which is based on humidity during the hot months, is a 24 out of 100, where higher is more comfortable. The US average on the comfort index is 44.

Decatur, TX, gets 34 inches of rain per year. The US average is 37. Snowfall is 2 inches. The average US city gets 25 inches of snow per year. The number of days with any measurable precipitation is 62.

Average High Temperature (°F)

Average Precipitation (in.)


Source: U.S. Climate Data


Natural disasters

  • The number of natural disasters in Wise County (14) is near the US average (12).
  • Causes of natural disasters: Fires: 5, Storms: 5, Floods: 4, Hurricanes: 4, Tornadoes: 3
  • Major Disasters (Presidential) Declared: 6
  • Emergencies Declared: 7

Tornado activity

Decatur-area historical tornado activity is above Texas state average. It is 243% greater than the overall U.S. average.