San Antonio weather in October 2025

Expect daytime maximum temperatures of 28°C in San Antonio, Texas in October based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 73 mm of rainfall in the month.

  • 28°C maximum daytime temperature in October in San Antonio28
    28°C max day temperature
  • 7 hours of sunshine per day
  • 6 days with some rainfall in October in San Antonio6
    6 days with some rainfall
  • 15°C minimum night-time temperature in October in San Antonio15
    15°C min night temperature
  • 11 hours of daylight per day in October in San Antonio11
    11 hours of daylight per day
  • Low heat & humidity in October in San AntonioL
    Low heat & humidity
  • 73 mm monthly rainfall in October in San Antonio73
    73 mm of monthly rainfall
  • UV (maximum) index 7 (High) in October in San Antonio7
    7 (High) UV index

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Expires at 23:59 on Wednesday 31st Dec 2025

The October weather guide for Texas (San Antonio) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in San Antonio in October?

Daytime temperatures usually reach 28°C in San Antonio in October with low heat and humidity, falling to 15°C at night.

How sunny is it in San Antonio in October?

There are normally 7 hours of bright sunshine each day in San Antonio in October - that's 60% of daylight hours.

Does it rain in San Antonio in October?

There are usually 6 days with some rain in San Antonio in October and the average monthly rainfall is 73mm.

San Antonio October sunrise & sunset times

Browse the sunrise and sunset times for San Antonio in October 2025. Select a month to view San Antonio sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:27 18:19
Thursday, 16th October 2025 06:36 18:02
Friday, 31st October 2025 06:47 17:48

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