San Antonio weather in March 2025

Expect 73°F 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.

  • 73°F maximum daytime temperature in March in San Antonio73
    73°F max day temperature
  • 7 hours of sunshine per day
  • 6 days with some rainfall in March in San Antonio6
    6 days with some rainfall
  • 50°F minimum night-time temperature in March in San Antonio50
    50°F 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
  • 1.5 inches monthly rainfall in March in San Antonio1.5
    1.5 inches 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)  |  Imperial (°F)

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How hot is it in San Antonio in March?

Daytime temperatures usually reach 73°F in San Antonio in March, falling to 50°F 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 1.5 inches.

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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