Normal weather in San Antonio in December
The weather in San Antonio in December has an average temperature of around 32°C during the day. On average, December sees 30 mm of rain in San Antonio. The wind speed is 4 Beaufort and mainly comes from East.
After November, December in San Antonio starts with a temperature of 32°C and ends around January at 33°C.
The hurricane season in San Antonio lasts from early June to late November.
December averages for San Antonio
 Average temperature | 32°C |
 Highest daytime temperature | 33°C |
| Lowest daytime temperature | 31°C |
 Total rainfall | 30 mm |
| Rainy days | 20 days |
Temperature per day in December in San Antonio
This graph shows the average daily maximum temperatures in December in San Antonio, indicated in degrees Celsius.
Rainfall per day in December in San Antonio
This graph shows the average daily rainfall in December in San Antonio, indicated in millimeters.
UV index per day in December in San Antonio
This graph shows the average daily UV index in December in San Antonio.
Yearly temperature in December in San Antonio
This graph shows the average yearly temperature in December in San Antonio, measured in degrees Celsius, over the past years.
Yearly total rainfall in December in San Antonio
This graph shows the average yearly rainfall in millimeters in December in San Antonio, over the past years.
Average daily weather in December
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Experiences with the weather in December in San Antonio
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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, rainfall, wind, and UV index for each day of the month.