Jefferson City weather in December: Jefferson City, Missouri: normal highs, lows, rain and records for December
Jefferson City in December has a normal high of 45°F and a normal low of 26°F, a daily mean of 36°F, falling from 50°F on the 1st to 42°F by the 31st. Measurable precipitation falls on 7 days in a normal December, 2.10 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 7°C and low of −3°C, 53 mm of precipitation in December.
- NOAA stationJefferson City Memorial Airport
- Station IDUSW00003963
- Location38.59°N 92.16°W
- Elevation573 ft (175 m)
- Population42,564
- Jan 41° 23°
- Feb 47° 26°
- Mar 58° 35°
- Apr 68° 45°
- May 77° 55°
- Jun 85° 65°
- Jul 89° 69°
- Aug 88° 66°
- Sep 80° 57°
- Oct 70° 46°
- Nov 57° 35°
- Dec 45° 26°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Jefferson City in December?
The normal high is 45°F and the normal low 26°F, for a daily mean of 35.8°F. December is 9.8°F cooler than November and 4.0°F warmer than January. December is the 11th warmest month of the year in Jefferson City and the 10th wettest. Across the month the normal high falls 8°F, from 50°F on December 1 to 42°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 32°F and 40°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 25%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 50°F | 30°F | 25% | 14% |
| December 8 | 48°F | 28°F | 24% | 13% |
| December 15 | 45°F | 26°F | 23% | 13% |
| December 22 | 43°F | 25°F | 23% | 12% |
| December 31 | 42°F | 23°F | 22% | 12% |
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 | 50°F | 30°F | 25% | 14% | 9 h 40 min |
| December 2 | 50°F | 30°F | 24% | 14% | 9 h 40 min |
| December 3 | 49°F | 29°F | 24% | 14% | 9 h 40 min |
| December 4 | 49°F | 29°F | 24% | 14% | 9 h 40 min |
| December 5 | 49°F | 29°F | 24% | 14% | 9 h 40 min |
| December 6 | 48°F | 29°F | 24% | 14% | 9 h 40 min |
| December 7 | 48°F | 28°F | 24% | 13% | 9 h 40 min |
| December 8 | 48°F | 28°F | 24% | 13% | 9 h 30 min |
| December 9 | 47°F | 28°F | 24% | 13% | 9 h 30 min |
| December 10 | 47°F | 28°F | 24% | 13% | 9 h 30 min |
| December 11 | 47°F | 27°F | 24% | 13% | 9 h 30 min |
| December 12 | 46°F | 27°F | 24% | 13% | 9 h 30 min |
| December 13 | 46°F | 27°F | 24% | 13% | 9 h 30 min |
| December 14 | 46°F | 27°F | 24% | 13% | 9 h 30 min |
| December 15 | 45°F | 26°F | 23% | 13% | 9 h 30 min |
| December 16 | 45°F | 26°F | 23% | 13% | 9 h 30 min |
| December 17 | 45°F | 26°F | 23% | 13% | 9 h 30 min |
| December 18 | 45°F | 26°F | 23% | 13% | 9 h 30 min |
| December 19 | 44°F | 26°F | 23% | 13% | 9 h 30 min |
| December 20 | 44°F | 25°F | 23% | 12% | 9 h 30 min |
| December 21 | 44°F | 25°F | 23% | 12% | 9 h 30 min |
| December 22 | 43°F | 25°F | 23% | 12% | 9 h 30 min |
| December 23 | 43°F | 25°F | 23% | 12% | 9 h 30 min |
| December 24 | 43°F | 25°F | 22% | 12% | 9 h 30 min |
| December 25 | 43°F | 24°F | 22% | 12% | 9 h 30 min |
| December 26 | 43°F | 24°F | 22% | 12% | 9 h 30 min |
| December 27 | 42°F | 24°F | 22% | 12% | 9 h 30 min |
| December 28 | 42°F | 24°F | 22% | 12% | 9 h 30 min |
| December 29 | 42°F | 24°F | 22% | 12% | 9 h 30 min |
| December 30 | 42°F | 24°F | 22% | 12% | 9 h 30 min |
| December 31 | 42°F | 23°F | 22% | 12% | 9 h 30 min |
- Normal high
- 45°FDecember average
- Normal low
- 26°FDecember average
- Precipitation
- 2.10 inmonth total
- Days with precipitation
- 70.01 inch or more
- Nights at 32°F or colder
- 24
- Daylight
- 9 h 40 min to 9 h 30 minDecember 1 to December 31
- Days at 70°F or more
- 1
- Sunshine
- 68%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003963; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Jefferson City in December?
On a given December day the chance of 0.01 inch or more is 23% on average, highest around December 1 (25%). In all, 2.10 in falls on 7 days of a normal December, 1 of them with an inch or more.
In a normal December in Jefferson City, 24 nights fall to freezing and 5 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003963.
What are the records for December in Jefferson City?
The warmest December temperature on Jefferson City's official record (since 1894) is 79°F, on December 11, 1949; the coldest is −24°F, on December 20, 1901. The wettest December brought 9.20 in (1895); the snowiest, 22.2 inches (1983).
The December mean against the 1991-2020 normal of 35.8°F: 2021 46.8°F (+11.0), 2022 36.4°F (+0.6), 2023 43.9°F (+8.1), 2024 39.6°F (+3.9), 2025 37.0°F (+1.2). 5 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 46.8°F | +11.0°F | 2.16 in |
| 2022 | 36.4°F | +0.6°F | 1.18 in |
| 2023 | 43.9°F | +8.1°F | 2.36 in |
| 2024 | 39.6°F | +3.9°F | 1.88 in |
| 2025 | 37.0°F | +1.2°F | 0.14 in |
Source: records: ACIS, NWS threaded record JEFthr; recent months: ACIS, station USW00003963. Records and recent months use complete months only.
How does December in Jefferson City compare across Missouri?
Across the 134 places PlainClimate covers in Missouri, December normal highs run from 37°F in Tarkio to 49°F in Neosho; Jefferson City's is 45°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Jefferson City in November57°F by day, 35°F at night
- Jefferson City in January41°F by day, 23°F at night
- Jefferson City through the yearEvery month, frost dates, records and recent years
- Missouri in DecemberThe statewide normal and the warmest and coolest places
- Neosho: Missouri's warmest Decembernormal high 49°F