Port O'Connor Weather in December
Average highs run from 71°F on December 1 to 66°F on December 31, and lows from 51°F to 48°F.
December day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 68°F
- Average low
- 49°F
- Record high
- 84°FDec 1, 2018
- Record low
- 9°FDec 23, 1989
- Chance of a freeze
- 39%
- Daylight
- 10 h 28 min to 10 h 22 min
- Cloud cover
- 64%
- Humidity
- 80%
- Dew point
- 54°F
- Wind
- 12.5 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Dec 1 | 71°F | 51°F | 84°F 2018 | 29°F 1979 | |
| Dec 2 | 71°F | 50°F | 82°F 2018 | 31°F 1985 | |
| Dec 3 | 71°F | 50°F | 81°F 2012 | 34°F 1963 | |
| Dec 4 | 70°F | 50°F | 83°F 1992 | 30°F 2009 | |
| Dec 5 | 70°F | 50°F | 82°F 2017 | 27°F 1945 | |
| Dec 6 | 70°F | 50°F | 81°F 2021 | 21°F 1950 | |
| Dec 7 | 70°F | 50°F | 81°F 1956 | 18°F 1950 | |
| Dec 8 | 69°F | 50°F | 81°F 2012 | 28°F 2011 | |
| Dec 9 | 69°F | 50°F | 81°F 2007 | 28°F 1978 | |
| Dec 10 | 69°F | 49°F | 81°F 1993 | 25°F 1978 | |
| Dec 11 | 69°F | 49°F | 80°F 1949 | 27°F 1957 | |
| Dec 12 | 69°F | 49°F | 78°F 1971 | 26°F 1966 | |
| Dec 13 | 68°F | 49°F | 80°F 2016 | 22°F 1989 | |
| Dec 14 | 68°F | 49°F | 81°F 2021 | 25°F 1985 | |
| Dec 15 | 68°F | 49°F | 80°F 2021 | 27°F 1951 | |
| Dec 16 | 68°F | 49°F | 81°F 2021 | 19°F 1989 | |
| Dec 17 | 68°F | 49°F | 81°F 2021 | 25°F 1972 | |
| Dec 18 | 68°F | 49°F | 81°F 2006 | 25°F 1979 | |
| Dec 19 | 67°F | 49°F | 80°F 2012 | 24°F 1996 | |
| Dec 20 | 67°F | 49°F | 83°F 2007 | 24°F 1945 | |
| Dec 21 | 67°F | 48°F | 78°F 1998 | 22°F 1973 | |
| Dec 22 | 67°F | 48°F | 79°F 1981 | 15°F 1989 | |
| Dec 23 | 67°F | 48°F | 82°F 2015 | 9°F 1989 | |
| Dec 24 | 67°F | 48°F | 79°F 2015 | 13°F 1989 | |
| Dec 25 | 66°F | 48°F | 82°F 2012 | 14°F 1983 | |
| Dec 26 | 66°F | 48°F | 81°F 2016 | 18°F 1983 | |
| Dec 27 | 66°F | 48°F | 82°F 2021 | 30°F 1983 | |
| Dec 28 | 66°F | 48°F | 79°F 1971 | 27°F 1961 | |
| Dec 29 | 66°F | 48°F | 80°F 1947 | 22°F 1983 | |
| Dec 30 | 66°F | 48°F | 79°F 1971 | 17°F 1983 | |
| Dec 31 | 66°F | 48°F | 80°F 1992 | 20°F 1983 |
Chance of rain
Sunrise and sunset
Times for 2026, local time (CST).
- December 1
- sunrise 7:01 AM, sunset 5:29 PM
- December 31
- sunrise 7:18 AM, sunset 5:40 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00417186 (Port O'connor), public domain. Records: NOAA GHCN-Daily, station USW00012935, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.