Austin weather in December: Austin, Texas: normal highs, lows, rain and records for December
Austin in December has a normal high of 64°F and a normal low of 43°F, a daily mean of 54°F, falling from 67°F on the 1st to 62°F by the 31st. Measurable precipitation falls on 8 days in a normal December, 2.72 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 18°C and low of 6°C, 69 mm of precipitation in December.
- NOAA stationAustin-Camp Mabry
- Station IDUSW00013958
- Location30.32°N 97.76°W
- Elevation670 ft (204 m)
- From the center2 miles
- Population993,588
- Jan 63° 42°
- Feb 67° 46°
- Mar 73° 52°
- Apr 80° 59°
- May 87° 67°
- Jun 93° 73°
- Jul 97° 75°
- Aug 98° 75°
- Sep 91° 70°
- Oct 83° 61°
- Nov 72° 51°
- Dec 64° 43°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Austin in December?
The normal high is 64°F and the normal low 43°F, for a daily mean of 53.6°F. December is 7.4°F cooler than November and 1.4°F warmer than January. December is the 11th warmest month of the year in Austin and the 8th wettest. Across the month the normal high falls 5°F, from 67°F on December 1 to 62°F on December 31. From one year to the next December's mean temperature typically moves about 2.5°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 51°F and 56°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 25%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 67°F | 46°F | 23% | 13% |
| December 8 | 65°F | 45°F | 24% | 13% |
| December 15 | 64°F | 43°F | 24% | 13% |
| December 22 | 63°F | 42°F | 25% | 13% |
| December 31 | 62°F | 42°F | 24% | 13% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 67°F | 46°F | 23% | 13% | 10 h 20 min |
| December 2 | 67°F | 46°F | 24% | 13% | 10 h 20 min |
| December 3 | 66°F | 46°F | 24% | 13% | 10 h 20 min |
| December 4 | 66°F | 45°F | 24% | 13% | 10 h 20 min |
| December 5 | 66°F | 45°F | 24% | 13% | 10 h 20 min |
| December 6 | 66°F | 45°F | 24% | 13% | 10 h 20 min |
| December 7 | 65°F | 45°F | 24% | 13% | 10 h 20 min |
| December 8 | 65°F | 45°F | 24% | 13% | 10 h 20 min |
| December 9 | 65°F | 44°F | 24% | 13% | 10 h 20 min |
| December 10 | 65°F | 44°F | 24% | 13% | 10 h 10 min |
| December 11 | 65°F | 44°F | 24% | 13% | 10 h 10 min |
| December 12 | 64°F | 44°F | 24% | 13% | 10 h 10 min |
| December 13 | 64°F | 44°F | 24% | 13% | 10 h 10 min |
| December 14 | 64°F | 44°F | 24% | 13% | 10 h 10 min |
| December 15 | 64°F | 43°F | 24% | 13% | 10 h 10 min |
| December 16 | 64°F | 43°F | 24% | 13% | 10 h 10 min |
| December 17 | 64°F | 43°F | 24% | 13% | 10 h 10 min |
| December 18 | 63°F | 43°F | 24% | 13% | 10 h 10 min |
| December 19 | 63°F | 43°F | 24% | 13% | 10 h 10 min |
| December 20 | 63°F | 43°F | 24% | 13% | 10 h 10 min |
| December 21 | 63°F | 43°F | 25% | 13% | 10 h 10 min |
| December 22 | 63°F | 42°F | 25% | 13% | 10 h 10 min |
| December 23 | 63°F | 42°F | 25% | 13% | 10 h 10 min |
| December 24 | 63°F | 42°F | 25% | 13% | 10 h 10 min |
| December 25 | 62°F | 42°F | 25% | 13% | 10 h 10 min |
| December 26 | 62°F | 42°F | 25% | 13% | 10 h 10 min |
| December 27 | 62°F | 42°F | 25% | 13% | 10 h 10 min |
| December 28 | 62°F | 42°F | 24% | 13% | 10 h 10 min |
| December 29 | 62°F | 42°F | 24% | 13% | 10 h 10 min |
| December 30 | 62°F | 42°F | 24% | 13% | 10 h 10 min |
| December 31 | 62°F | 42°F | 24% | 13% | 10 h 10 min |
- Normal high
- 64°FDecember average
- Normal low
- 43°FDecember average
- Precipitation
- 2.72 inmonth total
- Days with precipitation
- 80.01 inch or more
- Nights at 32°F or colder
- 3
- Daylight
- 10 h 20 min to 10 h 10 minDecember 1 to December 31
- Days at 70°F or more
- 10
- Days at 80°F or more
- 2
- Sunshine
- 72%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013958; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Austin in December?
On a given December day the chance of 0.01 inch or more is 24% on average, highest around December 21 (25%). In all, 2.72 in falls on 8 days of a normal December, 1 of them with an inch or more.
In a normal December in Austin, 3 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013958.
What are the records for December in Austin?
The warmest December temperature on Austin's official record (since 1897) is 90°F, on December 25, 1955; the coldest is 4°F, on December 23, 1989. The wettest December brought 16.18 in (1913); the snowiest, 5.5 inches (1929).
The December mean against the 1991-2020 normal of 53.6°F: 2021 65.1°F (+11.5), 2022 55.0°F (+1.4), 2023 55.8°F (+2.2), 2024 59.6°F (+6.0), 2025 57.7°F (+4.1). 5 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 65.1°F | +11.5°F | 1.69 in |
| 2022 | 55.0°F | +1.4°F | 1.95 in |
| 2023 | 55.8°F | +2.2°F | 2.42 in |
| 2024 | 59.6°F | +6.0°F | 1.20 in |
| 2025 | 57.7°F | +4.1°F | 0.31 in |
Source: records: ACIS, NWS threaded record ATTthr; recent months: ACIS, station USW00013958. Records and recent months use complete months only.
How does December in Austin compare across Texas?
Across the 321 places PlainClimate covers in Texas, December normal highs run from 49°F in Dumas to 74°F in Brownsville; Austin's is 64°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.