San Antonio weather in December 2024

Expect 18°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in San Antonio in December. Check more long-term weather averages for San Antonio in December before you book your next holiday to Texas in 2024/2025.

  • 18°C maximum daytime temperature in December in San Antonio18
    18°C max day temperature
  • 5 hours of sunshine per day
  • 7 days with some rainfall in December in San Antonio7
    7 days with some rainfall
  • 5°C minimum night-time temperature in December in San Antonio5
    5°C min night temperature
  • 10 hours of daylight per day in December in San Antonio10
    10 hours of daylight per day
  • No heat & humidity in December in San Antonio0
    No heat & humidity
  • 38 mm monthly rainfall in December in San Antonio38
    38 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in December in San Antonio4
    4 (Moderate) UV index

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The December 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 December?

Daytime temperatures usually reach 18°C in San Antonio in December, falling to 5°C at night.

How sunny is it in San Antonio in December?

There are normally 5 hours of bright sunshine each day in San Antonio in December - that's 47% of daylight hours.

Does it rain in San Antonio in December?

There are usually 7 days with some rain in San Antonio in December and the average monthly rainfall is 38mm.

San Antonio December sunrise & sunset times

Browse the sunrise and sunset times for San Antonio in December 2024. Select a month to view San Antonio sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st December 2024 07:11 17:35
Monday, 16th December 2024 07:22 17:38
Tuesday, 31st December 2024 07:28 17:46

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