Normal weather in San Antonio in May
The weather in San Antonio in May has an average temperature of around 31°C during the day. On average, May sees 134 mm of rain in San Antonio. The wind speed is 4 Beaufort and mainly comes from East.
After April, May in San Antonio starts with a temperature of 31°C and ends around June at 32°C.
The hurricane season in San Antonio lasts from early June to late November.
May averages for San Antonio
 Average temperature | 31°C |
 Highest daytime temperature | 32°C |
| Lowest daytime temperature | 31°C |
 Total rainfall | 134 mm |
| Rainy days | 20 days |
Temperature per day in May in San Antonio
This graph shows the average daily maximum temperatures in May in San Antonio, indicated in degrees Celsius.
Precipitation per day in May in San Antonio
This graph shows the average daily precipitation in May in San Antonio, indicated in millimeters.
UV index per day in May in San Antonio
This graph shows the average daily UV index in May in San Antonio.
Yearly temperature in May in San Antonio
This graph shows the average yearly temperature in May in San Antonio, measured in degrees Celsius, over the past years.
Yearly total precipitation in May in San Antonio
This graph shows the average yearly precipitation in millimeters in May in San Antonio, over the past years.
Average daily weather in May
Click on a day to get more information about the average weather on that day.
Average weather in San Antonio per month
Click on a month below to see in detail how the weather typically is in San Antonio and what to expect. Based on the historical weather data of San Antonio, you can view the average temperature, precipitation, wind, and UV index for each day of the month.