Verdict: Excellent month
Austin Weather in December
December hits the sweet spot in Austin — highs around 19°C (66°F), ideal for a full day on foot. Expect showers on roughly 9 days of the month — rarely trip-ruining, worth planning around. Overall, December is one of the best months of the year to be in Austin.
Average high
19°C / 66°F
Average low
9°C / 48°F
Rain days
~9
Precipitation
68 mm
What to pack for Austin in December
- Layers — t-shirts under a light jacket or sweater
- A packable rain shell or compact umbrella earns its space
- Comfortable walking shoes — every guide on this site assumes you'll use them
December against the rest of the year
Warmest in Austin: Aug (36°C / 97°F) · Coolest: Jan (17°C / 63°F) · Wettest: May (~15 rain days)
17°
6°
Jan
18°
6°
Feb
24°
13°
Mar
26°
16°
Apr
30°
20°
May
34°
23°
Jun
35°
25°
Jul
36°
25°
Aug
33°
22°
Sep
28°
17°
Oct
22°
12°
Nov
19°
9°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)