Moss Bluff Weather in December
Average highs run from 67°F on December 1 to 62°F on December 31, and lows from 45°F to 40°F. Normal precipitation for the month is 5.58 in over about 11 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
- 64°F
- Average low
- 42°F
- Precipitation
- 5.58 in
- Record high
- 82°FDec 7, 1978
- Record low
- 11°FDec 23, 1989
- Chance of a freeze
- 86%
- Daylight
- 10 h 20 min to 10 h 14 min
- Cloud cover
- 61%
- Humidity
- 85%
- Dew point
- 47°F
- Wind
- 6.3 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 | 67°F | 45°F | 80°F 1970 | 29°F 1964 | 31% |
| Dec 2 | 67°F | 45°F | 81°F 2012 | 30°F 2008 | 32% |
| Dec 3 | 66°F | 44°F | 81°F 2022 | 32°F 1974 | 32% |
| Dec 4 | 66°F | 44°F | 80°F 1998 | 30°F 2006 | 32% |
| Dec 5 | 66°F | 44°F | 81°F 1983 | 25°F 2006 | 33% |
| Dec 6 | 66°F | 44°F | 81°F 2019 | 31°F 2005 | 33% |
| Dec 7 | 65°F | 44°F | 82°F 1978 | 26°F 1984 | 33% |
| Dec 8 | 65°F | 44°F | 82°F 1966 | 26°F 2006 | 33% |
| Dec 9 | 65°F | 43°F | 82°F 2007 | 24°F 2006 | 34% |
| Dec 10 | 65°F | 43°F | 82°F 2007 | 24°F 1978 | 34% |
| Dec 11 | 64°F | 43°F | 81°F 2007 | 28°F 1995 | 34% |
| Dec 12 | 64°F | 43°F | 80°F 1971 | 22°F 1962 | 35% |
| Dec 13 | 64°F | 43°F | 79°F 2025 | 18°F 1962 | 35% |
| Dec 14 | 64°F | 43°F | 81°F 1971 | 26°F 1985 | 35% |
| Dec 15 | 64°F | 42°F | 81°F 1995 | 26°F 1985 | 35% |
| Dec 16 | 63°F | 42°F | 81°F 1971 | 23°F 1989 | 36% |
| Dec 17 | 63°F | 42°F | 81°F 2021 | 24°F 1972 | 36% |
| Dec 18 | 63°F | 42°F | 79°F 2021 | 24°F 1979 | 36% |
| Dec 19 | 63°F | 42°F | 79°F 2012 | 22°F 1996 | 36% |
| Dec 20 | 63°F | 42°F | 79°F 2007 | 21°F 1996 | 36% |
| Dec 21 | 63°F | 41°F | 78°F 1970 | 24°F 1973 | 37% |
| Dec 22 | 63°F | 41°F | 79°F 2017 | 16°F 1989 | 37% |
| Dec 23 | 62°F | 41°F | 79°F 2025 | 11°F 1989 | 37% |
| Dec 24 | 62°F | 41°F | 80°F 2015 | 12°F 1989 | 37% |
| Dec 25 | 62°F | 41°F | 79°F 1982 | 13°F 1983 | 37% |
| Dec 26 | 62°F | 41°F | 81°F 2015 | 21°F 1983 | 37% |
| Dec 27 | 62°F | 41°F | 80°F 2015 | 25°F 2010 | 37% |
| Dec 28 | 62°F | 41°F | 81°F 2025 | 29°F 1961 | 37% |
| Dec 29 | 62°F | 40°F | 80°F 2021 | 26°F 1983 | 37% |
| Dec 30 | 62°F | 40°F | 81°F 2021 | 21°F 1983 | 37% |
| Dec 31 | 62°F | 40°F | 80°F 2021 | 19°F 1983 | 37% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (CST).
- December 1
- sunrise 6:52 AM, sunset 5:12 PM
- December 31
- sunrise 7:09 AM, sunset 5:23 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00166434 (Moss Bluff 2 Nnw), public domain. Records: NOAA GHCN-Daily, station USW00003937, 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.