San Antonio Weather in August

San Antonio in August sees extremely high daytime temperatures of 36°C (97°F) and nighttime lows of 24°C (75°F). Rainfall is fairly high this month at around 65 mm (2.6 in), so pack a rain jacket to stay dry.

Rainfall in San Antonio in August

You can typically expect 5 days of rain this month, averaging around 65 mm (2.6 in). Rainfall tends to arrive in short, intense showers this month. Rain days are few, but the showers can be surprisingly heavy.

Temperature in San Antonio in August

August in San Antonio sees highs of 36°C (97°F) and lows of 24°C (75°F) overnight. The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. With lows around 24°C (75°F), the nights are warm enough that a sheet is usually all you need for bedding. The average temperatures are warm, but some days will be hotter. Make sure to dress in light, breathable clothing and drink plenty of water.

Sunshine in San Antonio in August

Expect sunny days throughout the month, with an estimated 295 hours of sunshine. This makes it a pleasant time to visit San Antonio.

August in San Antonio has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.