Weather in San Antonio in October 2025
Average weather
Average temperature in San Antonio in October
Going from a maximum of +97°F during the day to a minimum of +43°F during the night, the temperature in October averages around +84°F.
The average maximum temperature goes down 57% by the end of the month, compared with the beginning of the month, from +93°F to +63°F.
Is San Antonio warm or cold in October?
San Antonio is typically warm in October.
Maximum temperatures go down compared to the previous month from +91°F to +82°F. The minimum temperature also goes down from +72°F to +63°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how October is compared to other months in San Antonio:
Climate in San Antonio in October
| September | October | November | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +91°F | +82°F | +73°F | ||||
| Min. temperature | ||||||
| +48°F | +30°F | +25°F | ||||
| Max. temperature | ||||||
| +109°F | +97°F | +93°F | ||||
| Rainfall | ||||||
| 91 mm | 87 mm | 67 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 68% | 70% | 71% | ||||
| Air pressure | ||||||
| 1013 HPa | 1015 HPa | 1018 HPa | ||||
| Sunny days | ||||||
| 10 | 11 | 10 | ||||
| Cloudy days | ||||||
| 5 | 8 | 9 | ||||
| Rainy days | ||||||
| 13 | 11 | 12 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
October weather is still as good as in September. It’s getting colder in October. From +91°F in the day, the average maximum temperature lowers to +82°F. As October arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 91 mm to 87 mm. Humidity rises from 68% to 70%. The average wind speed doesn’t change much during October, staying around 3 m/s. The good news is there are likely to be more sunny days in October, from 10 to 11.
November brings much the same weather, it remains good.
Wind
The average wind speed is 4 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in San Antonio is gradually increasing during October, going from 5 m/s to 5 m/s over the course of the month.
Rain
How was the weather last October in San Antonio?
Climate Change Over the Years
The climate in San Antonio in October has not changed that much over the last 43 years.
The average temperature was the lowest in 1983 (+77°F) and the highest in 2006 (+85°F). The driest year was 1996 with only 401 mm of rainfall, and the wettest year was 2007 with 1606 mm.
FAQ
Is October a good time to visit San Antonio?
Can you sunbathe in San Antonio in October?
Is San Antonio rainy in October?
Is it sunny in San Antonio in October?
Other cities in USA
Monthly weather in San Antonio
Source of the data
For this page, we’ve looked at the typical weather in San Antonio, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.