Rockport weather in December: Rockport, Texas: normal highs, lows, rain and records for December
Rockport in December has a normal high of 68°F and a normal low of 51°F, a daily mean of 59°F, falling from 70°F on the 1st to 65°F by the 31st. Measurable precipitation falls on 7 days in a normal December, 1.66 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 20°C and low of 11°C, 42 mm of precipitation in December.
- NOAA stationRockport Aransas County Airport
- Station IDUSW00012972
- Location28.08°N 97.05°W
- Elevation22 ft (7 m)
- From the center2 miles
- Population11,069
- Jan 65° 49°
- Feb 69° 54°
- Mar 74° 60°
- Apr 80° 66°
- May 85° 73°
- Jun 90° 78°
- Jul 91° 79°
- Aug 92° 79°
- Sep 89° 75°
- Oct 84° 68°
- Nov 75° 58°
- Dec 68° 51°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Rockport in December?
The normal high is 68°F and the normal low 51°F, for a daily mean of 59.2°F. December is 7.3°F cooler than November and 2.1°F warmer than January. December is the 11th warmest month of the year in Rockport and the 9th wettest. Across the month the normal high falls 5°F, from 70°F on December 1 to 65°F on December 31. From one year to the next December's mean temperature typically moves about 2.8°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 56°F and 62°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 23%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 70°F | 54°F | 22% | 8% |
| December 8 | 69°F | 52°F | 21% | 7% |
| December 15 | 68°F | 51°F | 21% | 7% |
| December 22 | 66°F | 50°F | 21% | 7% |
| December 31 | 65°F | 49°F | 23% | 8% |
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 | 70°F | 54°F | 22% | 8% | 10 h 30 min |
| December 2 | 70°F | 54°F | 22% | 8% | 10 h 30 min |
| December 3 | 70°F | 54°F | 22% | 8% | 10 h 30 min |
| December 4 | 70°F | 53°F | 22% | 8% | 10 h 30 min |
| December 5 | 69°F | 53°F | 22% | 7% | 10 h 30 min |
| December 6 | 69°F | 53°F | 22% | 7% | 10 h 30 min |
| December 7 | 69°F | 53°F | 22% | 7% | 10 h 30 min |
| December 8 | 69°F | 52°F | 21% | 7% | 10 h 30 min |
| December 9 | 69°F | 52°F | 21% | 7% | 10 h 20 min |
| December 10 | 68°F | 52°F | 21% | 7% | 10 h 20 min |
| December 11 | 68°F | 52°F | 21% | 7% | 10 h 20 min |
| December 12 | 68°F | 52°F | 21% | 7% | 10 h 20 min |
| December 13 | 68°F | 51°F | 21% | 7% | 10 h 20 min |
| December 14 | 68°F | 51°F | 21% | 7% | 10 h 20 min |
| December 15 | 68°F | 51°F | 21% | 7% | 10 h 20 min |
| December 16 | 67°F | 51°F | 21% | 7% | 10 h 20 min |
| December 17 | 67°F | 51°F | 21% | 7% | 10 h 20 min |
| December 18 | 67°F | 50°F | 21% | 7% | 10 h 20 min |
| December 19 | 67°F | 50°F | 21% | 7% | 10 h 20 min |
| December 20 | 67°F | 50°F | 21% | 7% | 10 h 20 min |
| December 21 | 67°F | 50°F | 21% | 7% | 10 h 20 min |
| December 22 | 66°F | 50°F | 21% | 7% | 10 h 20 min |
| December 23 | 66°F | 50°F | 21% | 7% | 10 h 20 min |
| December 24 | 66°F | 49°F | 22% | 7% | 10 h 20 min |
| December 25 | 66°F | 49°F | 22% | 7% | 10 h 20 min |
| December 26 | 66°F | 49°F | 22% | 7% | 10 h 20 min |
| December 27 | 66°F | 49°F | 22% | 7% | 10 h 20 min |
| December 28 | 66°F | 49°F | 22% | 7% | 10 h 20 min |
| December 29 | 66°F | 49°F | 22% | 7% | 10 h 20 min |
| December 30 | 65°F | 49°F | 22% | 8% | 10 h 20 min |
| December 31 | 65°F | 49°F | 23% | 8% | 10 h 20 min |
- Normal high
- 68°FDecember average
- Normal low
- 51°FDecember average
- Precipitation
- 1.66 inmonth total
- Days with precipitation
- 70.01 inch or more
- Nights at 32°F or colder
- 1
- Daylight
- 10 h 30 min to 10 h 20 minDecember 1 to December 31
- Days at 70°F or more
- 15
- Days at 80°F or more
- 2
- Sunshine
- 70%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00012972; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Rockport in December?
On a given December day the chance of 0.01 inch or more is 22% on average, highest around December 31 (23%). In all, 1.66 in falls on 7 days of a normal December.
In a normal December in Rockport, 1 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00012972.
What are the records for December in Rockport?
The December mean against the 1991-2020 normal of 59.2°F: 2021 69.2°F (+10.0), 2022 59.3°F (+0.1), 2023 62.3°F (+3.1), 2024 65.5°F (+6.3), 2025 61.8°F (+2.6). 5 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 69.2°F | +10.0°F | 0.33 in |
| 2022 | 59.3°F | +0.1°F | 0.46 in |
| 2023 | 62.3°F | +3.1°F | 0.17 in |
| 2024 | 65.5°F | +6.3°F | 0.49 in |
| 2025 | 61.8°F | +2.6°F | 0.71 in |
Source: recent months: ACIS, station USW00012972. Records and recent months use complete months only.
How does December in Rockport 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; Rockport's is 68°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.