May Packing List for San Antonio — What to Wear & Bring

San Antonio's 87°F May heat combined with high humidity makes technical fabrics much more comfortable than heavy cotton.

Breathable linen is perfect for exploring the outdoor markets at the San Antonio Pearl District in 87°F weather.

With 9 rainy days—the most of any month—a breathable waterproof layer is essential for San Antonio sightseeing.

Flowy fabrics provide sun protection and air circulation during a humid 87°F afternoon in San Antonio.

Sandals that can handle the 9 days of May rain are ideal for walking the San Antonio River Walk's wet paths.

Airflow is critical for foot comfort when San Antonio temperatures reach 87°F and the humidity is high.

Boat shoes offer a 'River Walk resort-casual' look that handles the 87°F heat and potential May dampness.

Protects your eyes from the bright Texas glare reflected off San Antonio's white stone landmarks in 87°F weather.

Higher humidity and 87°F temperatures in San Antonio make personal cooling products a necessity.

San Antonio's May highs of 87°F make the San Antonio Missions' exposed stone plazas genuinely uncomfortable in the afternoon — a cooling neck towel provides immediate temperature relief during the 3-mile mission trail walk.

With 9 rainy days in May, San Antonio visitors need a large umbrella to stay dry during heavier thunderstorms.

Keep your water cold as you navigate the 87°F outdoor sites around San Antonio's historic center.

San Antonio's May highs of 87°F combined with 9 rainy days and rising humidity make the River Walk uncomfortably hot — a cooling towel around your neck provides immediate relief between air-conditioned stops.