Cape Girardeau weather in December: Cape Girardeau, Missouri: normal highs, lows, rain and records for December
Cape Girardeau in December has a normal high of 46°F and a normal low of 30°F, a daily mean of 38°F, falling from 50°F on the 1st to 43°F by the 31st. Measurable precipitation falls on 9 days in a normal December, 3.62 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 8°C and low of −1°C, 92 mm of precipitation in December.
- NOAA stationCape Girardeau Municipal Airport
- Station IDUSW00003935
- Location37.23°N 89.57°W
- Elevation336 ft (102 m)
- Population40,818
- Jan 43° 26°
- Feb 48° 30°
- Mar 58° 37°
- Apr 69° 47°
- May 78° 58°
- Jun 87° 66°
- Jul 89° 69°
- Aug 88° 66°
- Sep 82° 58°
- Oct 71° 46°
- Nov 57° 37°
- Dec 46° 30°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Cape Girardeau in December?
The normal high is 46°F and the normal low 30°F, for a daily mean of 38.0°F. December is 8.7°F cooler than November and 3.4°F warmer than January. December is the 11th warmest month of the year in Cape Girardeau and the 7th wettest. Across the month the normal high falls 7°F, from 50°F on December 1 to 43°F on December 31. From one year to the next December's mean temperature typically moves about 4.0°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 34°F and 42°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 32%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 50°F | 33°F | 32% | 21% |
| December 8 | 48°F | 31°F | 32% | 21% |
| December 15 | 46°F | 30°F | 31% | 21% |
| December 22 | 45°F | 29°F | 30% | 21% |
| December 31 | 43°F | 27°F | 29% | 20% |
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 | 33°F | 32% | 21% | 9 h 50 min |
| December 2 | 50°F | 32°F | 32% | 21% | 9 h 50 min |
| December 3 | 50°F | 32°F | 32% | 21% | 9 h 50 min |
| December 4 | 49°F | 32°F | 32% | 21% | 9 h 50 min |
| December 5 | 49°F | 32°F | 32% | 21% | 9 h 40 min |
| December 6 | 49°F | 32°F | 32% | 21% | 9 h 40 min |
| December 7 | 48°F | 31°F | 32% | 21% | 9 h 40 min |
| December 8 | 48°F | 31°F | 32% | 21% | 9 h 40 min |
| December 9 | 48°F | 31°F | 32% | 21% | 9 h 40 min |
| December 10 | 48°F | 31°F | 32% | 21% | 9 h 40 min |
| December 11 | 47°F | 31°F | 32% | 21% | 9 h 40 min |
| December 12 | 47°F | 30°F | 32% | 21% | 9 h 40 min |
| December 13 | 47°F | 30°F | 31% | 21% | 9 h 40 min |
| December 14 | 47°F | 30°F | 31% | 21% | 9 h 40 min |
| December 15 | 46°F | 30°F | 31% | 21% | 9 h 40 min |
| December 16 | 46°F | 30°F | 31% | 21% | 9 h 40 min |
| December 17 | 46°F | 30°F | 31% | 21% | 9 h 40 min |
| December 18 | 46°F | 29°F | 31% | 21% | 9 h 40 min |
| December 19 | 45°F | 29°F | 31% | 21% | 9 h 40 min |
| December 20 | 45°F | 29°F | 31% | 21% | 9 h 40 min |
| December 21 | 45°F | 29°F | 30% | 21% | 9 h 40 min |
| December 22 | 45°F | 29°F | 30% | 21% | 9 h 40 min |
| December 23 | 45°F | 29°F | 30% | 20% | 9 h 40 min |
| December 24 | 44°F | 28°F | 30% | 20% | 9 h 40 min |
| December 25 | 44°F | 28°F | 30% | 20% | 9 h 40 min |
| December 26 | 44°F | 28°F | 30% | 20% | 9 h 40 min |
| December 27 | 44°F | 28°F | 30% | 20% | 9 h 40 min |
| December 28 | 44°F | 28°F | 30% | 20% | 9 h 40 min |
| December 29 | 44°F | 28°F | 30% | 20% | 9 h 40 min |
| December 30 | 43°F | 28°F | 30% | 20% | 9 h 40 min |
| December 31 | 43°F | 27°F | 29% | 20% | 9 h 40 min |
- Normal high
- 46°FDecember average
- Normal low
- 30°FDecember average
- Precipitation
- 3.62 inmonth total
- Days with precipitation
- 90.01 inch or more
- Nights at 32°F or colder
- 20
- Daylight
- 9 h 50 min to 9 h 40 minDecember 1 to December 31
- Sunshine
- 64%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003935; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Cape Girardeau in December?
On a given December day the chance of 0.01 inch or more is 31% on average, highest around December 1 (32%). In all, 3.62 in falls on 9 days of a normal December, 1 of them with an inch or more.
In a normal December in Cape Girardeau, 20 nights fall to freezing and 3 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003935.
What are the records for December in Cape Girardeau?
The warmest December temperature on this station's record (since 1960) is 76°F, on December 2, 1982; the coldest is −11°F, on December 22, 1989. The wettest December brought 12.32 in (1982); the snowiest, 8.2 inches (1975).
The December mean against the 1991-2020 normal of 38.0°F: 2021 48.9°F (+10.9), 2022 37.5°F (−0.5), 2023 43.1°F (+5.1), 2024 41.5°F (+3.5), 2025 38.2°F (+0.2). 4 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 48.9°F | +10.9°F | 5.83 in |
| 2022 | 37.5°F | −0.5°F | 3.89 in |
| 2023 | 43.1°F | +5.1°F | 1.51 in |
| 2024 | 41.5°F | +3.5°F | 6.29 in |
| 2025 | 38.2°F | +0.2°F | 0.82 in |
Source: records: ACIS, station USW00003935; recent months: ACIS, station USW00003935. Records and recent months use complete months only.
How does December in Cape Girardeau 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; Cape Girardeau's is 46°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Cape Girardeau in November57°F by day, 37°F at night
- Cape Girardeau in January43°F by day, 26°F at night
- Cape Girardeau 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