San Antonio weather in March 2025

Expect 23°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in San Antonio in March. Check more long-term weather averages for San Antonio in March before you book your next holiday to Texas in 2025/2026.

  • 23°C maximum daytime temperature in March in San Antonio23
    23°C max day temperature
  • 7 hours of sunshine per day
  • 6 days with some rainfall in March in San Antonio6
    6 days with some rainfall
  • 10°C minimum night-time temperature in March in San Antonio10
    10°C min night temperature
  • 12 hours of daylight per day in March in San Antonio12
    12 hours of daylight per day
  • No heat & humidity in March in San Antonio0
    No heat & humidity
  • 37 mm monthly rainfall in March in San Antonio37
    37 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in March in San Antonio8
    8 (Very High) UV index

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The March 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 March?

Daytime temperatures usually reach 23°C in San Antonio in March, falling to 10°C at night.

How sunny is it in San Antonio in March?

There are normally 7 hours of bright sunshine each day in San Antonio in March - that's 56% of daylight hours.

Does it rain in San Antonio in March?

There are usually 6 days with some rain in San Antonio in March and the average monthly rainfall is 37mm.

San Antonio March sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st March 2025 06:59 18:34
Sunday, 16th March 2025 06:42 18:43
Monday, 31st March 2025 06:24 18:52

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