Avg High
Austin in December
Verdict
In Austin, December has a distinct winter feel. As the season moves along, temperatures are dropping quickly. You can usually expect a mild month that feels manageable day to day. Breezes can be part of the character, especially in exposed spots.
It suits travellers who want straightforward weather for sightseeing and day trips. Lookouts and coastal walks can feel sharper when the wind is up.
Avg Low
Rain
Daylight
10h
What to expect
- Temperature feel - Easygoing temperatures with a gentle drop-off once the sun goes down. It often feels a touch cooler in the shade.
- Showers & dry spells - Showery bursts. You’ll get wet windows, then dry windows. Wet breaks can interrupt outdoor plans.
- Midday sun - Moderate sun. You'll feel fine, but it's still easy to get caught out. This is a 'don't forget the hat' month.
- Exposure - Refreshing breezes, and expect sharp gusts that can change plans in exposed areas. It’s the kind of wind you plan around for viewpoints and coastal walks.
December in context
How it compares to the rest of the year in Austin.
Hottest (avg)
#11 / 12
Wettest (avg)
#9 / 12
Daylight Hours
#12 / 12
Windiest (avg)
#7 / 12
Highest UV
#12 / 12
Most Humid
#2 / 12
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight
- 10.2 hours
- UV index (max)
- 4
- Typical sun hours
- 07:19 – 17:33
Rain & Snow
- Total
-
- Rainy days
- 9
- Cloud cover
- 53%
- Snowfall
-
Humidity & Wind
- Humidity (avg)
- 70%
- Wind (avg)
-
- Wind (max gusts)
-
Frequently asked questions
Is December a good time to visit Austin?
Typical December days in Austin reach highs of 17°C (63°F) with nights around 7°C (45°F). It usually feels mild by day and cold after dark. Overall, December sits in the middle of the Austin climate range.
What are temperatures like in December?
Daytime temperatures in December typically peak near 17°C (63°F), while nights drop to around 7°C (45°F). Expect mild afternoons and cold evenings.
How much does it rain in December?
Rainfall in December averages 67 mm (2.6 in) across roughly 9 days. Overall it is a quite rainy time of year, so showers are usually brief rather than all-day downpours.
How many hours of daylight are there in December?
You can expect about 10 hours of daylight in December. Sunrise is typically around 07:19 and sunset near 17:33. Days are on the shorter side, so plan activities around limited daylight.
How strong is the sun in December?
UV levels are moderate (around 4); sunscreen and sunglasses are still a good idea.
Is it windy in December?
In December, average wind speeds are around 13 km/h (8 mph), with gusts on the windiest days reaching about 54 km/h (34 mph). On the ground, it is it can feel quite windy at times, particularly when weather systems move through.