Texas Weather Guide

Most of the year, Texas weather is simply warm and often sunny. The guide below is about the parts that change a plan: heat that is a health matter rather than a comfort one, thunderstorms that build quickly in spring, water on roads, and the hurricane season on the coast. None of them is a reason to stay away. Each is a reason to know what to watch for.

Regions at a glance

East Texas and the Gulf Coast, including Houston and Galveston, are humid, with warm nights and heavy rain when it comes. Central Texas, with Austin, San Antonio and the Hill Country, is a little drier and swings between hot summers and mild winters. North Texas, around Dallas and Fort Worth, sees the widest range, from summer heat to winter ice storms. West Texas, from Big Bend to El Paso, is desert: dry, sunny, hot by day in summer and cool at night most of the year.

Heat

The National Weather Service describes heat as very taxing on the body, able to cause heat related illness and to make existing health conditions worse. The Centers for Disease Control and Prevention frames protection in three parts: staying cool, staying hydrated, and knowing the symptoms. In practice that means drinking water through the day before you feel thirsty, resting in shade or air conditioning, and planning hikes and long walks for early morning.

Learn the signs before the trip. Heavy sweating, dizziness, nausea, headache and cramps call for moving to a cool place and drinking water. Confusion, a very high body temperature or a person who stops sweating is an emergency, and the right call is 911.

Spring storms

From March into June, strong thunderstorms are common across much of the state, and they can bring hail, damaging wind, lightning and tornadoes. They often build in the afternoon. Keep weather alerts switched on in your phone settings, know where you would shelter, and move indoors at the first thunder rather than the first lightning strike near you.

Water on the road

Flash flooding is the Texas hazard that most surprises visitors. The National Weather Service records that more deaths occur due to flooding than from any other thunderstorm related hazard, and that 12 inches of rushing water can carry away most cars. Its advice is in its campaign name: Turn Around Don't Drown. Never drive around barriers on a flooded road, and never drive into water that covers it. The Hill Country is known for low water crossings that are dry for months and dangerous within minutes of a storm upstream.

Hurricane season

The National Hurricane Center gives the Atlantic hurricane season as June 1 to November 30, with a statistical peak on September 10. Storms that reach the Texas coast bring wind, storm surge and flooding that can spread far inland, and the warning period before landfall usually gives visitors time to change plans. If you are on the coast when a storm is forecast, follow local officials and leave when told to.

Winter

Winter is mild most days, but cold fronts can drop temperatures sharply, and North Texas and the Panhandle can see ice and snow that close roads. A warm layer and a flexible driving day are enough for most winter trips.

Sources

• National Weather Service: Heat safety: the record that heat can be very taxing on the body, with the warning signs of heat related illness and the steps to take. Accessed 11 October 2026.
• Centers for Disease Control and Prevention: Heat and health: protecting yourself from extreme heat by staying cool, staying hydrated, and knowing the symptoms of heat related illness. Accessed 11 October 2026.
• National Weather Service: Turn Around Don't Drown: the flood safety campaign, recording that more deaths occur due to flooding than from any other thunderstorm related hazard, that 12 inches of rushing water can carry away most cars, and that it is never safe to drive or walk into flood waters. Accessed 11 October 2026.
• National Hurricane Center: Tropical cyclone climatology: the Atlantic hurricane season runs from June 1 to November 30, and its statistical peak is September 10. Accessed 11 October 2026.
• National Weather Service: Hurricane safety: hurricanes as among nature's most powerful and destructive phenomena, with the average number of tropical storms and hurricanes forming each season and the safety resources for each stage of a storm. Accessed 11 October 2026.