San Antonio Weather in May

Average temperatures, rainfall and packing tips for San Antonio, United States in May

🌡️ Avg high

32°C

🌙 Avg low

22°C

🌧️ Rainfall

~221 mm

📊 Warmth rank

#5 of 12

May in San Antonio at a glance

May in San Antonio is typically hot, with average daytime highs around 32°C and nights near 22°C. Temperature-wise it sits mid-range for San Antonio (the 5th warmest month).

May is typically the wettest month of the year in San Antonio, with around 221 mm of rain - plan around showers.

What to pack for San Antonio in May

Light, breathable clothing (cotton or linen)
Sun protection: hat, sunglasses and SPF
A refillable water bottle
A rain jacket or umbrella - this is one of the wetter months

San Antonio - year at a glance

HighLow · May highlighted

Is May a good time to visit San Antonio?

🧳 May is a workable time to visit San Antonio, with hot days - just pack accordingly.

If your dates are flexible, the most comfortable months in San Antonio are usually February, March, April, November and December.

Other months in San Antonio

May in other cities

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FAQ

How hot is San Antonio in May?

In May, San Antonio averages a daytime high of about 32°C and a night-time low of around 22°C, based on recent historical data.

Does it rain in San Antonio in May?

May is typically the wettest month of the year in San Antonio, with around 221 mm of rain - plan around showers.

Is May a good time to visit San Antonio?

May is a workable time to visit San Antonio, with hot days - just pack accordingly. If your dates are flexible, the most comfortable months in San Antonio are usually February, March, April, November and December.