Average climate of San Antonio
The climate of San Antonio has an average yearly temperature of 31°C. Throughout the year, the average monthly temperature can drop to 28°C and rise to 33°C.
Annually, about 908 mm of rain falls. This gives a good overview of how much rain to expect in San Antonio.
The best time to visit San Antonio is January until April, November and December. During this period, you will experience pleasant temperatures and not too much rain, making it ideal to visit San Antonio.
The hurricane season in San Antonio lasts from early June to late November.
28 to 33°C
908 mm
Table of contents
- Average yearly temperature: 31°C
- Highest temperature: 33°C in July and August
- Lowest temperature: 28°C in January and December
- Precipitation: 908 mm per year, averaging 76 mm per month
- Driest months: 21 mm in March, 27 mm in February and December
- Wettest months: 137 mm in September, 134 mm in May and 125 mm in October
Climate table San Antonio
The climate table for San Antonio shows the average temperatures, precipitation, and UV index per month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daytime temperature (°C) | 28 | 29 | 30 | 32 | 31 | 32 | 33 | 33 | 32 | 31 | 29 | 28 |
| Nighttime temperature (°C) | 18 | 18 | 19 | 21 | 22 | 23 | 24 | 24 | 24 | 22 | 20 | 19 |
| Precipitation (mm) | 38 | 27 | 21 | 46 | 134 | 124 | 78 | 89 | 137 | 125 | 62 | 27 |
| UV Index | 6 | 8 | 8 | 9 | 9 | 8 | 9 | 9 | 8 | 7 | 6 | 6 |
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Temperature per month in San Antonio
This graph shows the average high temperatures in degrees Celsius for each month in San Antonio
Precipitation per month in San Antonio
This graph shows the average monthly precipitation in millimeters in San Antonio.
UV index per month in San Antonio
This graph shows the average UV index per month in San Antonio.
Yearly temperature in San Antonio
This graph shows the average yearly temperature in San Antonio, measured in degrees Celsius.
Yearly total precipitation in San Antonio
This graph shows the average yearly precipitation in millimeters in San Antonio.
Weather experiences 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, precipitation, wind, and UV index for each day of the month.