San Antonio weather in October
Temperature, rain and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Excellent
Best time to visit: October – April
What is the weather like in San Antonio in October?
In October, San Antonio is hot: daytime highs average 28 °C, and nights cool down to about 18 °C. Expect around 6 hours of sunshine a day. Rain falls on about 7 days, adding up to 74 mm. On about 10 days the thermometer climbs to 30 °C or more. All in all, October is an excellent month for a holiday in San Antonio.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 55 | 81 | 82 |
| Day | 32° | 28° | 22° |
| Night | 22° | 18° | 12° |
| Sun | 7 h | 6 h | 5 h |
| Rain days | 7 | 7 | 7 |
More details for October
- Daylight
- 11 h 30 min07:34 – 19:05
- UV index
- 7 · highclear sky, noon (estimate)All months
- Muggy days
- 10 daysdew point 18 °C or moreAll months
- Wind
- 17 km/haverage daily peakAll months
- Cloud cover
- 40 %on averageAll months
- Hot days
- 10 days30 °C or moreAll months
- Time zone
- UTC−5America/Chicago
How the score comes together
- Temperatureweight 50 %92 %
- Sunshineweight 20 %52 %
- Few rainy daysweight 30 %80 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
San Antonio in October: quick answers
Is San Antonio hot in October?
Yes. In October, San Antonio is hot: daytime highs average 28 °C and nights stay around 18 °C. On about 10 days the thermometer climbs to 30 °C or more.
Does it rain much in San Antonio in October?
Rain falls on about 7 days, adding up to 74 mm.
San Antonio month by month
The whole year in San AntonioAll destinations: USAWhere to go in October
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences