Robstown Weather in December
Average highs run from 73°F on December 1 to 68°F on December 31, and lows from 52°F to 47°F. Normal precipitation for the month is 1.67 in over about 6 wet days.
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
- 70°F
- Average low
- 49°F
- Precipitation
- 1.67 in
- Snowfall
- 0.2 in
- Record high
- 90°FDec 5, 1977
- Record low
- 12°FDec 23, 1989
- Chance of a freeze
- 42%
- Daylight
- 10 h 31 min to 10 h 25 min
- Cloud cover
- 61%
- Humidity
- 76%
- Dew point
- 51°F
- Wind
- 10.3 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Dec 1 | 73°F | 52°F | 85°F 1983 | 33°F 1957 | 18% | 0% |
| Dec 2 | 72°F | 52°F | 86°F 1954 | 35°F 1976 | 18% | 0% |
| Dec 3 | 72°F | 51°F | 88°F 1964 | 37°F 1976 | 18% | 0% |
| Dec 4 | 72°F | 51°F | 87°F 1964 | 34°F 1976 | 18% | 0% |
| Dec 5 | 72°F | 51°F | 90°F 1977 | 28°F 2009 | 18% | 0% |
| Dec 6 | 72°F | 51°F | 90°F 1977 | 34°F 1959 | 18% | 0% |
| Dec 7 | 71°F | 50°F | 85°F 1966 | 27°F 2011 | 18% | 0% |
| Dec 8 | 71°F | 50°F | 85°F 1966 | 27°F 2011 | 19% | 0% |
| Dec 9 | 71°F | 50°F | 87°F 1966 | 29°F 1978 | 19% | 0% |
| Dec 10 | 71°F | 50°F | 86°F 1961 | 24°F 1978 | 19% | 0% |
| Dec 11 | 71°F | 50°F | 88°F 1993 | 28°F 1978 | 19% | 0% |
| Dec 12 | 70°F | 49°F | 85°F 2010 | 28°F 1957 | 19% | 0% |
| Dec 13 | 70°F | 49°F | 86°F 1973 | 28°F 1989 | 19% | 0% |
| Dec 14 | 70°F | 49°F | 90°F 1987 | 22°F 1989 | 19% | 0% |
| Dec 15 | 70°F | 49°F | 85°F 1973 | 33°F 1953 | 19% | 0% |
| Dec 16 | 70°F | 49°F | 82°F 2008 | 22°F 1989 | 19% | 0% |
| Dec 17 | 70°F | 49°F | 83°F 2010 | 29°F 1972 | 19% | 0% |
| Dec 18 | 69°F | 48°F | 83°F 1990 | 28°F 1979 | 20% | 0% |
| Dec 19 | 69°F | 48°F | 85°F 1968 | 25°F 1996 | 20% | 0% |
| Dec 20 | 69°F | 48°F | 83°F 2011 | 29°F 1983 | 20% | 0% |
| Dec 21 | 69°F | 48°F | 90°F 1978 | 24°F 1973 | 20% | 0% |
| Dec 22 | 69°F | 48°F | 86°F 1981 | 22°F 1989 | 20% | 0% |
| Dec 23 | 69°F | 48°F | 87°F 1988 | 12°F 1989 | 20% | 0% |
| Dec 24 | 68°F | 48°F | 85°F 1955 | 15°F 1989 | 20% | 0% |
| Dec 25 | 68°F | 47°F | 89°F 1974 | 14°F 1983 | 20% | 0% |
| Dec 26 | 68°F | 47°F | 89°F 1964 | 27°F 1990 | 21% | 0% |
| Dec 27 | 68°F | 47°F | 86°F 1982 | 26°F 1983 | 21% | 0% |
| Dec 28 | 68°F | 47°F | 89°F 1968 | 31°F 1967 | 21% | 0% |
| Dec 29 | 68°F | 47°F | 82°F 1971 | 26°F 1983 | 21% | 0% |
| Dec 30 | 68°F | 47°F | 83°F 1973 | 18°F 1983 | 21% | 0% |
| Dec 31 | 68°F | 47°F | 88°F 1973 | 20°F 1983 | 21% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- December 1
- sunrise 7:04 AM, sunset 5:35 PM
- December 31
- sunrise 7:21 AM, sunset 5:46 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00417677 (Robstown), public domain. Records: NOAA GHCN-Daily, station USC00417677, 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.