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The best time to visit San Antonio
March, April, May, October and November — daytime highs 21–31°C. Every number on this page is measured, not guessed.
San Antonio month by month
| Month | Day | Night | Wet days | |
|---|---|---|---|---|
| January | 19°C | 7°C | 8 | |
| February | 19°C | 7°C | 8 | Shoulder |
| March | 26°C | 13°C | 10 | Best |
| April | 28°C | 17°C | 14 | Best |
| May | 31°C | 20°C | 15 | Best |
| June | 35°C | 24°C | 8 | Shoulder |
| July | 36°C | 25°C | 7 | |
| August | 36°C | 25°C | 11 | |
| September | 34°C | 23°C | 8 | Shoulder |
| October | 28°C | 18°C | 8 | Best |
| November | 21°C | 12°C | 10 | Best |
| December | 21°C | 11°C | 8 | Shoulder |
The short version
Warmest: July, around 36°C by day. Coolest: January, around 19°C by day and 7°C at night. Wettest: May with about 15 wet days. Driest: July with about 7.
If you want fewer people: February, June, September, December sit right beside the best months. The weather is close and the crowds are not.
Book it for those months
Prices climb as the good months fill up.
Common questions
When is the best time to visit San Antonio?
The best months are March, April, May, October and November, when daytime highs sit 21–31°C.
What is the hottest month in San Antonio?
July, with daytime highs around 36°C.
What is the wettest month in San Antonio?
May, with about 15 wet days. The driest is July with about 7.
When is the cheapest time to visit San Antonio?
Prices follow the weather. The months either side of the best ones — February, June, September, December — are usually cheaper with similar conditions.
Temperatures and wet days are measured, not estimated: ERA5 reanalysis for 2021-2023, at San Antonio, Texas. Source: Open-Meteo. Hotel and activity links are partner links — the price you pay is the same.