When Does Texas Tubing Season Start? A Month-by-Month Guide for 2026

The honest answer to "when does Texas tubing season start" is: the day the water gets warm enough that you stop being mad about it. For most folks that's Memorial Day weekend, but the rivers don't read a calendar. Here's what each month actually looks like in the Hill Country, with the 2026 outlook factored in.

April: the cold-water gamble

April is for the people who don't mind a wetsuit. Air temperatures are in the seventies, but the San Marcos and Comal are spring-fed and seventy-two degrees year- round, and the Guadalupe below Canyon Lake is colder than that because the dam pulls water from the bottom of the reservoir. You can float. You probably won't enjoy it past the first twenty minutes.

The Frio in April is mostly a question of whether there's enough water to float at all. Check the conditions page before you commit to the drive.

May: opening week, sort of

By Mother's Day the air is warm enough that the cold water feels good again. Outfitters start running shuttles on weekends, and the Guadalupe at Gruene starts to feel like itself. The Memorial Day weekend at the end of May is the unofficial opener. If you've got a Saturday and a cooler, this is when it starts to make sense again.

June: peak conditions, manageable crowds

June is the best month, and I will fight anybody on this. Flows are typically still strong from spring rains, the air is hot but not yet murderous, and the holiday-weekend rush hasn't fully landed. The Frio at Garner in mid-June is about as good as a Texas river gets.

July: the main event

Fourth of July weekend is the loudest weekend of the year on the Guadalupe, and the rest of July keeps that energy. You will not be alone. You will not get a parking spot at Prince Solms after ten in the morning. Plan accordingly. This is also the month with the highest flash-flood risk in the Hill Country, so read the gauge guide before you go, and check upstream rain.

August: hot, slow, still good

August flows tend to drop because the spring rains are a memory and the summer storms are hit-or-miss. The Comal holds up best because it's spring-fed, and the San Marcos right behind it. The Guadalupe and the Frio can both get thin late in the month. Mornings are the move. On the water by ten, off by two.

September: the secret month

This is when the locals come back. Schools are in session, the weekend crowds drop by half, and the water is still warm. If you've got a flexible week and a Tuesday off, September is the best in-the-know month on the Texas rivers. Outfitters are still running through Labor Day, and several keep shuttles going into the first weekend or two of the month.

October: the closing argument

October floats are a niche pursuit. The water cools, the days shorten, and most outfitters wind down by mid-month. But on a warm October afternoon on the San Marcos, with the cypresses turning and almost nobody else on the river, you'll wonder why you ever floated in July.

November and onward

Off-season. Fishing, hiking, and waiting. The rivers are still there, and the gauges on the conditions page still tick. Some people kayak through the winter. Most of us start watching the forecast for next April.

What to know about 2026

Two specific things this year. First, El Niño is settling in, which means more moisture over Texas all summer and a higher chance of flash flooding through fall. Second, that means flow conditions are going to be more variable than the last few La Niña summers. Better average water levels, but also more weekends where the river is too high to float. Always check the conditions page the morning of, not the night before.

The season's coming. Get the cooler ready.