Rolla weather in December: Rolla, Missouri: normal highs, lows, rain and records for December
Rolla in December has a normal high of 45°F and a normal low of 27°F, a daily mean of 36°F, falling from 49°F on the 1st to 41°F by the 31st. Measurable precipitation falls on 9 days in a normal December, 2.83 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 7°C and low of −3°C, 72 mm of precipitation and 9 cm of snow in December.
- NOAA stationRolla Missouri S&t
- Station IDUSC00237263
- Location37.96°N 91.78°W
- Elevation1,173 ft (358 m)
- From the center1 miles
- Population20,660
- Jan 41° 22°
- Feb 46° 26°
- Mar 56° 35°
- Apr 67° 45°
- May 76° 56°
- Jun 84° 65°
- Jul 89° 69°
- Aug 88° 67°
- Sep 80° 59°
- Oct 69° 47°
- Nov 56° 36°
- Dec 45° 27°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Rolla in December?
The normal high is 45°F and the normal low 27°F, for a daily mean of 36.0°F. December is 10.0°F cooler than November and 4.3°F warmer than January. December is the 11th warmest month of the year in Rolla and the 10th wettest. Across the month the normal high falls 8°F, from 49°F on December 1 to 41°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 30%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 49°F | 31°F | 30% | 19% |
| December 8 | 47°F | 29°F | 30% | 18% |
| December 15 | 45°F | 27°F | 30% | 17% |
| December 22 | 43°F | 26°F | 30% | 17% |
| December 31 | 41°F | 24°F | 30% | 16% |
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 | 49°F | 31°F | 30% | 19% | 9 h 40 min |
| December 2 | 49°F | 31°F | 30% | 19% | 9 h 40 min |
| December 3 | 49°F | 31°F | 30% | 19% | 9 h 40 min |
| December 4 | 48°F | 30°F | 30% | 19% | 9 h 40 min |
| December 5 | 48°F | 30°F | 30% | 19% | 9 h 40 min |
| December 6 | 48°F | 30°F | 30% | 19% | 9 h 40 min |
| December 7 | 47°F | 30°F | 30% | 19% | 9 h 40 min |
| December 8 | 47°F | 29°F | 30% | 18% | 9 h 40 min |
| December 9 | 47°F | 29°F | 30% | 18% | 9 h 40 min |
| December 10 | 46°F | 29°F | 30% | 18% | 9 h 40 min |
| December 11 | 46°F | 28°F | 30% | 18% | 9 h 40 min |
| December 12 | 46°F | 28°F | 30% | 18% | 9 h 30 min |
| December 13 | 45°F | 28°F | 30% | 18% | 9 h 30 min |
| December 14 | 45°F | 28°F | 30% | 18% | 9 h 30 min |
| December 15 | 45°F | 27°F | 30% | 17% | 9 h 30 min |
| December 16 | 45°F | 27°F | 30% | 17% | 9 h 30 min |
| December 17 | 44°F | 27°F | 30% | 17% | 9 h 30 min |
| December 18 | 44°F | 27°F | 30% | 17% | 9 h 30 min |
| December 19 | 44°F | 26°F | 30% | 17% | 9 h 30 min |
| December 20 | 44°F | 26°F | 30% | 17% | 9 h 30 min |
| December 21 | 43°F | 26°F | 30% | 17% | 9 h 30 min |
| December 22 | 43°F | 26°F | 30% | 17% | 9 h 30 min |
| December 23 | 43°F | 25°F | 30% | 16% | 9 h 30 min |
| December 24 | 43°F | 25°F | 30% | 16% | 9 h 30 min |
| December 25 | 42°F | 25°F | 30% | 16% | 9 h 30 min |
| December 26 | 42°F | 25°F | 30% | 16% | 9 h 30 min |
| December 27 | 42°F | 25°F | 30% | 16% | 9 h 30 min |
| December 28 | 42°F | 24°F | 30% | 16% | 9 h 30 min |
| December 29 | 42°F | 24°F | 30% | 16% | 9 h 30 min |
| December 30 | 42°F | 24°F | 30% | 16% | 9 h 30 min |
| December 31 | 41°F | 24°F | 30% | 16% | 9 h 30 min |
- Normal high
- 45°FDecember average
- Normal low
- 27°FDecember average
- Precipitation
- 2.83 inmonth total
- Days with precipitation
- 90.01 inch or more
- Snowfall
- 3.4 inmonth total
- Nights at 32°F or colder
- 22
- Daylight
- 9 h 40 min to 9 h 30 minDecember 1 to December 31
- Sunshine
- 67%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00237263; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Rolla in December?
On a given December day the chance of 0.01 inch or more is 30% on average, highest around December 16 (30%). In all, 2.83 in falls on 9 days of a normal December, 1 of them with an inch or more.
In a normal December in Rolla, 22 nights fall to freezing, 5 days stay below freezing all day and snowfall averages 3.4 inches.
Snow falls on 4 days in a normal December, and an inch or more covers the ground on 4 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00237263.
What are the records for December in Rolla?
The warmest December temperature on this station's record (since 1897) is 79°F, on December 28, 1928; the coldest is −19°F, on December 23, 1989. The wettest December brought 12.65 in (2015); the snowiest, 19.6 inches (1973).
The December mean against the 1991-2020 normal of 36.0°F: 2021 47.0°F (+11.0), 2022 33.9°F (−2.1), 2023 43.3°F (+7.3), 2024 39.5°F (+3.5), 2025 38.6°F (+2.6). 4 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 47.0°F | +11.0°F | 1.73 in |
| 2022 | 33.9°F | −2.1°F | 1.33 in |
| 2023 | 43.3°F | +7.3°F | 1.90 in |
| 2024 | 39.5°F | +3.5°F | 2.67 in |
| 2025 | 38.6°F | +2.6°F | 0.29 in |
Source: records: ACIS, station USC00237263; recent months: ACIS, station USC00237263. Records and recent months use complete months only.
How does December in Rolla 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; Rolla's is 45°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.