San Antonio (TX)
May
Weather in San Antonio, Texas for May 2027
Your guide to San Antonio weather in May - trends and predictions
In general, the average temperature in San Antonio at the beginning of May is 29.1 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 33.7 °C by the end of May.
San Antonio experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 132 mm.
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Temperatures
Rain 🌧️
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7
Dry days
24
Rainy days
0
Snow days
32°/20°
Temperatures
22 km/h
Avg max wind
69 %
Avg humidity
San Antonio Weather May
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Temperatures trend during May in San Antonio
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May weather in San Antonio day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Partly cloudy | 28° /17° | 13.1 mm | 6 | |
| May 2 |  Patchy rain possible | 28° /17° | 0.5 mm | 8 | |
| May 3 |  Cloudy | 27° /17° | 5.2 mm | 7 | |
| May 4 | Patchy rain possible | 30° /17° | 2.7 mm | 8 | |
| May 5 | Patchy rain possible | 30° /20° | 1.5 mm | 7 | |
| May 6 | Patchy rain possible | 31° /21° | 10.9 mm | 7 | |
| May 7 |  Overcast | 30° /20° | 0.9 mm | 7 | |
| May 8 |  Moderate rain at times | 32° /20° | 5.7 mm | 6 | |
| May 9 | Moderate rain at times | 31° /20° | 6.2 mm | 8 | |
| May 10 | Patchy rain possible | 30° /19° | 6.7 mm | 8 | |
| May 11 | Patchy rain possible | 29° /18° | 3.8 mm | 8 | |
| May 12 |  Sunny | 31° /18° | 4.7 mm | 9 | |
| May 13 | Sunny | 32° /18° | 21.7 mm | 9 | |
| May 14 | Moderate or heavy rain shower | 34° /18° | 1.2 mm | 9 | |
| May 15 | Moderate or heavy rain shower | 33° /19° | 5.4 mm | 8 | |
| May 16 | Moderate or heavy rain shower | 31° /20° | 7.4 mm | 7 | |
| May 17 |  Mist | 33° /22° | 3 mm | 7 | |
| May 18 | Partly cloudy | 35° /21° | 1.9 mm | 7 | |
| May 19 | Patchy rain possible | 33° /22° | 8.5 mm | 6 | |
| May 20 | Moderate or heavy rain shower | 33° /21° | 4.2 mm | 7 | |
| May 21 | Moderate or heavy rain shower | 31° /21° | 2.5 mm | 8 | |
| May 22 | Patchy rain possible | 34° /21° | 0.2 mm | 9 | |
| May 23 |  Thundery outbreaks possible | 33° /21° | 3.4 mm | 8 | |
| May 24 | Partly cloudy | 35° /21° | 1.2 mm | 9 | |
| May 25 | Patchy rain possible | 35° /21° | 0.2 mm | 9 | |
| May 26 | Thundery outbreaks possible | 34° /22° | 2.6 mm | 7 | |
| May 27 | Thundery outbreaks possible | 34° /21° | 1 mm | 8 | |
| May 28 | Patchy rain possible | 33° /21° | 1.4 mm | 9 | |
| May 29 | Thundery outbreaks possible | 32° /21° | 4.4 mm | 8 | |
| May 30 | Thundery outbreaks possible | 34° /21° | 0.1 mm | 9 | |
| May 31 | Thundery outbreaks possible | 34° /22° | 0.2 mm | 8 | |
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Important Notice
Our weather forecast for San Antonio in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the San Antonio forecast closer to your planned date for the most up-to-date weather information.
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San Antonio in May - FAQ
What are the expected maximum and minimum temperatures in San Antonio during May?
Expect warm days with temperatures around 32°, cooling to mild conditions of 20° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in San Antonio during May?
Significant rainfall exceeding 132 mm is expected in San Antonio during May, occurring over more than 24 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in San Antonio during May?
The average wind speed in San Antonio during May is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in San Antonio
Explore the daily rainfall trends and prepare for San Antonios May weather 💧
Typically, San Antonio has 24 rainy days in May with a total of 132 mm of rainfall.
UV exposure in San Antonio during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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