San Antonio weather in April 2025

Expect 27°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in San Antonio in April. Check more long-term weather averages for San Antonio in April before you book your next holiday to Texas in 2025/2026.

  • 27°C maximum daytime temperature in April in San Antonio27
    27°C max day temperature
  • 7 hours of sunshine per day
  • 7 days with some rainfall in April in San Antonio7
    7 days with some rainfall
  • 15°C minimum night-time temperature in April in San Antonio15
    15°C min night temperature
  • 13 hours of daylight per day in April in San Antonio13
    13 hours of daylight per day
  • Low heat & humidity in April in San AntonioL
    Low heat & humidity
  • 59 mm monthly rainfall in April in San Antonio59
    59 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in April in San Antonio10
    10 (Very High) UV index

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The April 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 April?

Daytime temperatures usually reach 27°C in San Antonio in April with low heat and humidity, falling to 15°C at night.

How sunny is it in San Antonio in April?

There are normally 7 hours of bright sunshine each day in San Antonio in April - that's 53% of daylight hours.

Does it rain in San Antonio in April?

There are usually 7 days with some rain in San Antonio in April and the average monthly rainfall is 59mm.

San Antonio April sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st April 2025 06:23 18:53
Tuesday, 15th April 2025 06:07 19:01
Wednesday, 30th April 2025 05:53 19:10

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