Austin weather in December 2025

Expect daytime maximum temperatures of 63°F in Austin, Texas in December based on long-term weather averages. There are 5 hours of sunshine per day on average with typically 2.1 inches of rainfall in the month.

  • 63°F maximum daytime temperature in December in Austin63
    63°F max day temperature
  • 5 hours of sunshine per day
  • 7 days with some rainfall in December in Austin7
    7 days with some rainfall
  • 41°F minimum night-time temperature in December in Austin41
    41°F min night temperature
  • 10 hours of daylight per day in December in Austin10
    10 hours of daylight per day
  • No heat & humidity in December in Austin0
    No heat & humidity
  • 2.1 inches monthly rainfall in December in Austin2.1
    2.1 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in December in Austin4
    4 (Moderate) UV index

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The December weather guide for Texas (Austin) 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 warm is it in Austin in December?

Daytime temperatures usually reach 63°F in Austin in December, falling to 41°F at night.

How sunny is it in Austin in December?

There are normally 5 hours of bright sunshine each day in Austin in December - that's 49% of daylight hours.

Does it rain in Austin in December?

There are usually 7 days with some rain in Austin in December and the average monthly rainfall is 2.1 inches.

Austin December sunrise & sunset times

Browse the sunrise and sunset times for Austin in December 2025. Select a month to view Austin sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 07:10 17:30
Tuesday, 16th December 2025 07:21 17:33
Wednesday, 31st December 2025 07:27 17:41

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