When is the best time to visit San Antonio?
The best time to visit San Antonio is between March and June, the most comfortable stretch of the year on these averages.
Temperatures peak in August at around 30°C (86°F). May is the wettest month, with about 112 mm of rain. Outside March–June the numbers move but the year has no single wet or dry season.
Part of United States weather.
San Antonio weather by month
TemperatureRainfall
Average temperature and rainfall, month by month
Every figure below is a 1991–2020 climate normal for San Antonio, in °C and °F. Open a month for what to expect and what to pack.
| Month | Average | Rainfall |
|---|---|---|
| January | 12°C / 53°F | 50 mm |
| February | 14°C / 57°F | 44 mm |
| March | 17°C / 63°F | 58 mm |
| April | 21°C / 70°F | 61 mm |
| May | 25°C / 77°F | 112 mm |
| June | 28°C / 83°F | 83 mm |
| July | 30°C / 85°F | 61 mm |
| August | 30°C / 86°F | 55 mm |
| September | 27°C / 80°F | 99 mm |
| October | 22°C / 72°F | 95 mm |
| November | 16°C / 61°F | 53 mm |
| December | 12°C / 54°F | 51 mm |
Where to stay in San Antonio
Dates are a starting point for March.
Travel guides for San Antonio
What to read before you book.
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FAQs about San Antonio weather
Climate averages for San Antonio, 1991–2020.
The best time to visit San Antonio is between March and June, the most comfortable stretch of the year on these averages.
August is the hottest month, with an average around 30°C.
May is the wettest month, with about 112 mm of rain.
January is the coolest month, averaging 12°C (53°F) against 30°C (86°F) in August.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what each month is usually like, which is what you want when booking ahead. For today or the coming week, check a live forecast.
No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.
