Austin Weather in December
Austin in December averages 17°C (63°F) during the day and 5°C (41°F) at night. This is part of the winter season. Some rainfall is to be expected.
Rainfall in Austin in December
You can typically expect 7 days of rain this month, averaging around 49 mm (1.9 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Austin in December
Temperatures in Austin in December top out at 17°C (63°F) and drop to 5°C (41°F) overnight. During December, you'll experience the winter season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights fall to 5°C (41°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Austin in December
With about 154 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.
Wind Speed in Austin in December
Wind speeds average 3 m/s (6 knots) during December. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.If you prefer dry days with pleasant temperatures, March, April and November typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Austin's climate page.
Austin Temperature in December
Min Temperature
5°C (41°F)
Max Temperature
17°C (63°F)
Chance of Rain
25%
Precipitation
49 mm (1.9 in)
Rainy days
7 days
Humidity
68%
Windspeed
3 m/s (6 knots)
Sunshine
154 hours
Percentage Sunshine
49%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Austin typically stay consistent throughout December, with daily highs averaging around 17°C (63°F). Nights are cold, with lows typically ranging from 4°C (39°F) to 9°C (48°F).
Average temperatures in December
Historical weather for Austin in December
Browse day-by-day weather records for Austin spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Austin historical weather extremes in December
According to our 49 years of weather records for Austin, the following extremes were recorded between 1976 and 2025.
- On December 3, 1995, temperatures climbed to 30°C (86°F), marking the warmest December day on record.
Best Places in the United States of America in December
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in December →
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What to Wear in Austin in December
Pleasant temperatures in December mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Austin in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Austin's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Austin climate overview or explore weather in the United States of America.
