Lebanon Weather in December
Average highs run from 52°F on December 1 to 45°F on December 31, and lows from 30°F to 26°F. Normal precipitation for the month is 4.73 in over about 13 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
- 48°F
- Average low
- 28°F
- Precipitation
- 4.73 in
- Snowfall
- 2.8 in
- Record high
- 78°FDec 4, 1982
- Record low
- -17°FDec 23, 1989
- Chance of a freeze
- 100%
- Daylight
- 9 h 46 min to 9 h 37 min
- Cloud cover
- 70%
- Humidity
- 86%
- Dew point
- 32°F
- Wind
- 7.8 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 | 52°F | 30°F | 71°F 1970 | -1°F 1976 | 39% | 5% |
| Dec 2 | 52°F | 29°F | 72°F 1962 | 14°F 1969 | 40% | 5% |
| Dec 3 | 51°F | 29°F | 77°F 1982 | 11°F 1966 | 40% | 6% |
| Dec 4 | 51°F | 29°F | 78°F 1982 | 12°F 1966 | 40% | 6% |
| Dec 5 | 51°F | 29°F | 78°F 1982 | 10°F 1969 | 41% | 6% |
| Dec 6 | 50°F | 29°F | 74°F 2001 | 8°F 2002 | 41% | 6% |
| Dec 7 | 50°F | 29°F | 74°F 1998 | -2°F 1984 | 41% | 7% |
| Dec 8 | 50°F | 29°F | 69°F 1980 | -1°F 1984 | 42% | 7% |
| Dec 9 | 50°F | 29°F | 69°F 1980 | 8°F 2010 | 42% | 7% |
| Dec 10 | 49°F | 28°F | 69°F 1967 | 5°F 1977 | 42% | 7% |
| Dec 11 | 49°F | 28°F | 71°F 1971 | 5°F 1977 | 42% | 7% |
| Dec 12 | 49°F | 28°F | 75°F 2007 | -11°F 1962 | 42% | 8% |
| Dec 13 | 48°F | 28°F | 69°F 1972 | -13°F 1962 | 43% | 8% |
| Dec 14 | 48°F | 28°F | 70°F 1984 | -11°F 1962 | 43% | 8% |
| Dec 15 | 48°F | 28°F | 71°F 1984 | 1°F 2010 | 43% | 9% |
| Dec 16 | 48°F | 28°F | 75°F 1984 | 0°F 1989 | 43% | 9% |
| Dec 17 | 47°F | 28°F | 72°F 1984 | -1°F 1989 | 43% | 9% |
| Dec 18 | 47°F | 28°F | 72°F 1984 | 3°F 1989 | 43% | 9% |
| Dec 19 | 47°F | 28°F | 67°F 1967 | 3°F 1985 | 43% | 10% |
| Dec 20 | 47°F | 27°F | 68°F 2008 | 1°F 1981 | 43% | 10% |
| Dec 21 | 47°F | 27°F | 70°F 1967 | 0°F 1985 | 44% | 10% |
| Dec 22 | 46°F | 27°F | 72°F 1967 | -15°F 1989 | 44% | 10% |
| Dec 23 | 46°F | 27°F | 64°F 1970 | -17°F 1989 | 44% | 11% |
| Dec 24 | 46°F | 27°F | 69°F 1970 | -14°F 1989 | 43% | 11% |
| Dec 25 | 46°F | 27°F | 72°F 1964 | -14°F 1989 | 43% | 11% |
| Dec 26 | 46°F | 27°F | 71°F 1982 | -8°F 1983 | 43% | 11% |
| Dec 27 | 45°F | 27°F | 62°F 1973 | 4°F 1983 | 43% | 11% |
| Dec 28 | 45°F | 27°F | 69°F 1982 | 3°F 1977 | 43% | 12% |
| Dec 29 | 45°F | 26°F | 69°F 1996 | 3°F 1977 | 43% | 12% |
| Dec 30 | 45°F | 26°F | 70°F 1984 | -2°F 1983 | 43% | 12% |
| Dec 31 | 45°F | 26°F | 68°F 1964 | -3°F 1983 | 43% | 12% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- December 1
- sunrise 7:37 AM, sunset 5:23 PM
- December 31
- sunrise 7:56 AM, sunset 5:33 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00150940 (Bradfordsville), public domain. Records: NOAA GHCN-Daily, station USC00150940, 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.