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

More about San Antonio

San Antonio by month

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Recommended for San Antonio

  • Book a one day Nothern Light excursion for only £249
  • Incl a guide by experts, itineraries, flights & more
  • Enjoy a presentation from astronomer Pete Lawrence

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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