What December feels like in Austin
For Austin, December is early winter on the calendar. Days are on the cool side, the kind of weather that suits brisk sightseeing. After dark the temperature drops clearly: nights are cool. Moisture in the air gives the cold a damp edge.
Rain in Austin in December
Expect a mix of dry and wet days, with rain about one day in 4. Each rainy day adds about 8.1 mm (0.3 in), a proper wetting rather than a sprinkle. Across the year Austin averages about 10.1 mm per rainy day, so December is typical. December is Austin's driest month of the year.
Daylight and sunshine in December
In mid-December, sunrise is at about 7:20 am and sunset at about 5:32 pm (local time) — 10 h 13 min of daylight. Days are getting shorter: 27 min less daylight than in mid-November. About 65% of daylight hours are sunny; in short, there are plenty of bright spells.
How December compares to the rest of the year
Ranked by average high, December comes out as the 2nd coolest month in Austin. Afternoons run 3.9°C (7°F) cooler than in November, with 6 mm less rain. January is cooler again. The next month's average high: 15.9°C (60.6°F).
Who December suits
- Sightseeing: a good fit — comfortable enough to explore on foot all day.
- Parks & outdoor: a good fit — good conditions for sitting outside.
Tips for visiting Austin in December
Versatile Layers
Pack pieces you can take off by noon and put back on at dusk.
Rain Protection
Keep a small umbrella in your bag and wear shoes that cope with puddles.
Light Jacket
Cool days — a light jacket or sweater for walking around.
Quick questions
How warm is Austin in December?
It feels cool: typical highs are 17.5°C (63.5°F), with lows near 7.7°C (45.9°F).
Does it rain a lot in Austin in December?
Quite a lot — 65 mm spread over about 8 days.
What should I wear in Austin in December?
Pack versatile layers, rain protection and a light jacket. Add a layer for after dark.
Is December or January better for visiting Austin?
January, narrowly: it ranks #7 of 12 among Austin's months, against #8 for the other. January is cooler.
