Shelbyville weather in December: Shelbyville, Tennessee: normal highs, lows, rain and records for December
Shelbyville in December has a normal high of 52°F and a normal low of 32°F, a daily mean of 42°F, falling from 56°F on the 1st to 50°F by the 31st. Measurable precipitation falls on 12 days in a normal December, 6.05 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 11°C and low of 0°C, 154 mm of precipitation and 0 cm of snow in December.
- NOAA stationShelbyville Water Dept
- Station IDUSC00408246
- Location35.49°N 86.48°W
- Elevation760 ft (232 m)
- Population25,792
- Jan 49° 29°
- Feb 54° 32°
- Mar 63° 39°
- Apr 72° 47°
- May 80° 56°
- Jun 86° 64°
- Jul 89° 68°
- Aug 89° 67°
- Sep 84° 60°
- Oct 73° 48°
- Nov 62° 37°
- Dec 52° 32°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Shelbyville in December?
The normal high is 52°F and the normal low 32°F, for a daily mean of 42.0°F. December is 7.3°F cooler than November and 2.9°F warmer than January. December is the 11th warmest month of the year in Shelbyville and the wettest. Across the month the normal high falls 6°F, from 56°F on December 1 to 50°F on December 31. From one year to the next December's mean temperature typically moves about 4.1°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 38°F and 46°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 40%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 56°F | 34°F | 36% | 25% |
| December 8 | 54°F | 33°F | 38% | 27% |
| December 15 | 52°F | 32°F | 39% | 28% |
| December 22 | 51°F | 31°F | 40% | 29% |
| December 31 | 50°F | 30°F | 40% | 28% |
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 | 56°F | 34°F | 36% | 25% | 10 h |
| December 2 | 56°F | 33°F | 37% | 25% | 10 h |
| December 3 | 56°F | 33°F | 37% | 26% | 10 h |
| December 4 | 55°F | 33°F | 37% | 26% | 9 h 50 min |
| December 5 | 55°F | 33°F | 37% | 26% | 9 h 50 min |
| December 6 | 55°F | 33°F | 37% | 26% | 9 h 50 min |
| December 7 | 54°F | 33°F | 38% | 27% | 9 h 50 min |
| December 8 | 54°F | 33°F | 38% | 27% | 9 h 50 min |
| December 9 | 54°F | 33°F | 38% | 27% | 9 h 50 min |
| December 10 | 54°F | 32°F | 38% | 27% | 9 h 50 min |
| December 11 | 53°F | 32°F | 38% | 28% | 9 h 50 min |
| December 12 | 53°F | 32°F | 39% | 28% | 9 h 50 min |
| December 13 | 53°F | 32°F | 39% | 28% | 9 h 50 min |
| December 14 | 53°F | 32°F | 39% | 28% | 9 h 50 min |
| December 15 | 52°F | 32°F | 39% | 28% | 9 h 50 min |
| December 16 | 52°F | 32°F | 39% | 28% | 9 h 50 min |
| December 17 | 52°F | 32°F | 39% | 28% | 9 h 50 min |
| December 18 | 52°F | 31°F | 40% | 28% | 9 h 50 min |
| December 19 | 52°F | 31°F | 40% | 29% | 9 h 50 min |
| December 20 | 51°F | 31°F | 40% | 29% | 9 h 50 min |
| December 21 | 51°F | 31°F | 40% | 29% | 9 h 50 min |
| December 22 | 51°F | 31°F | 40% | 29% | 9 h 50 min |
| December 23 | 51°F | 31°F | 40% | 29% | 9 h 50 min |
| December 24 | 51°F | 31°F | 40% | 29% | 9 h 50 min |
| December 25 | 50°F | 31°F | 40% | 29% | 9 h 50 min |
| December 26 | 50°F | 31°F | 40% | 28% | 9 h 50 min |
| December 27 | 50°F | 30°F | 40% | 28% | 9 h 50 min |
| December 28 | 50°F | 30°F | 40% | 28% | 9 h 50 min |
| December 29 | 50°F | 30°F | 40% | 28% | 9 h 50 min |
| December 30 | 50°F | 30°F | 40% | 28% | 9 h 50 min |
| December 31 | 50°F | 30°F | 40% | 28% | 9 h 50 min |
- Normal high
- 52°FDecember average
- Normal low
- 32°FDecember average
- Precipitation
- 6.05 inmonth total
- Days with precipitation
- 120.01 inch or more
- Snowfall
- 0.1 inmonth total
- Nights at 32°F or colder
- 18
- Daylight
- 10 h to 9 h 50 minDecember 1 to December 31
- Days at 70°F or more
- 1
- Sunshine
- 65%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00408246; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Shelbyville in December?
On a given December day the chance of 0.01 inch or more is 39% on average, highest around December 22 (40%). In all, 6.05 in falls on 12 days of a normal December, 2 of them with an inch or more.
In a normal December in Shelbyville, 18 nights fall to freezing, 1 days stay below freezing all day and snowfall averages 0.1 inches.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00408246.
What are the records for December in Shelbyville?
The warmest December temperature on this station's record (since 1951) is 77°F, on December 2, 1982; the coldest is −9°F, on December 22, 1989. The wettest December brought 13.86 in (1990); the snowiest, 6.5 inches (1963).
The December mean against the 1991-2020 normal of 42.0°F: 2021 50.7°F (+8.7), 2023 45.5°F (+3.5), 2024 43.9°F (+1.9), 2025 41.9°F (−0.1). 3 of 4 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 50.7°F | +8.7°F | 5.17 in |
| 2023 | 45.5°F | +3.5°F | 3.07 in |
| 2024 | 43.9°F | +1.9°F | 3.96 in |
| 2025 | 41.9°F | −0.1°F | 2.91 in |
Source: records: ACIS, station USC00408246; recent months: ACIS, station USC00408246. Records and recent months use complete months only.
How does December in Shelbyville compare across Tennessee?
Across the 116 places PlainClimate covers in Tennessee, December normal highs run from 47°F in Monterey to 55°F in Ardmore; Shelbyville's is 52°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Shelbyville in November62°F by day, 37°F at night
- Shelbyville in January49°F by day, 29°F at night
- Shelbyville through the yearEvery month, frost dates, records and recent years
- Tennessee in DecemberThe statewide normal and the warmest and coolest places
- Ardmore: Tennessee's warmest Decembernormal high 55°F