Mankato weather in December: Mankato, Minnesota: normal highs, lows, rain and records for December
Mankato in December has a normal high of 29°F and a normal low of 13°F, a daily mean of 21°F, falling from 35°F on the 1st to 24°F by the 31st. Measurable precipitation falls on 7 days in a normal December, 1.13 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of −2°C and low of −11°C, 29 mm of precipitation and 22 cm of snow in December.
- NOAA stationMankato
- Station IDUSC00215073
- Location44.15°N 94.02°W
- Elevation850 ft (259 m)
- Population46,459
- Jan 24° 6°
- Feb 29° 9°
- Mar 41° 22°
- Apr 57° 34°
- May 69° 47°
- Jun 79° 58°
- Jul 82° 62°
- Aug 80° 59°
- Sep 74° 50°
- Oct 60° 37°
- Nov 43° 25°
- Dec 29° 13°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Mankato in December?
The normal high is 29°F and the normal low 13°F, for a daily mean of 20.6°F. December is 13.5°F cooler than November and 5.9°F warmer than January. December is the 10th warmest month of the year in Mankato and the 10th wettest, and the snowiest. Across the month the normal high falls 11°F, from 35°F on December 1 to 24°F on December 31. From one year to the next December's mean temperature typically moves about 5.5°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 15°F and 26°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 22%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 35°F | 18°F | 21% | 11% |
| December 8 | 31°F | 15°F | 22% | 11% |
| December 15 | 28°F | 13°F | 22% | 11% |
| December 22 | 26°F | 11°F | 22% | 10% |
| December 31 | 24°F | 8°F | 22% | 10% |
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 | 35°F | 18°F | 21% | 11% | 9 h 10 min |
| December 2 | 34°F | 17°F | 21% | 11% | 9 h 10 min |
| December 3 | 34°F | 17°F | 21% | 11% | 9 h 10 min |
| December 4 | 33°F | 17°F | 21% | 11% | 9 h |
| December 5 | 33°F | 16°F | 21% | 11% | 9 h |
| December 6 | 32°F | 16°F | 21% | 11% | 9 h |
| December 7 | 32°F | 16°F | 22% | 11% | 9 h |
| December 8 | 31°F | 15°F | 22% | 11% | 9 h |
| December 9 | 31°F | 15°F | 22% | 11% | 9 h |
| December 10 | 30°F | 14°F | 22% | 11% | 9 h |
| December 11 | 30°F | 14°F | 22% | 11% | 9 h |
| December 12 | 30°F | 14°F | 22% | 11% | 9 h |
| December 13 | 29°F | 13°F | 22% | 11% | 9 h |
| December 14 | 29°F | 13°F | 22% | 11% | 8 h 50 min |
| December 15 | 28°F | 13°F | 22% | 11% | 8 h 50 min |
| December 16 | 28°F | 13°F | 22% | 11% | 8 h 50 min |
| December 17 | 28°F | 12°F | 22% | 11% | 8 h 50 min |
| December 18 | 27°F | 12°F | 22% | 11% | 8 h 50 min |
| December 19 | 27°F | 12°F | 22% | 11% | 8 h 50 min |
| December 20 | 27°F | 11°F | 22% | 10% | 8 h 50 min |
| December 21 | 27°F | 11°F | 22% | 10% | 8 h 50 min |
| December 22 | 26°F | 11°F | 22% | 10% | 8 h 50 min |
| December 23 | 26°F | 11°F | 22% | 10% | 8 h 50 min |
| December 24 | 26°F | 10°F | 22% | 10% | 8 h 50 min |
| December 25 | 26°F | 10°F | 22% | 10% | 8 h 50 min |
| December 26 | 25°F | 10°F | 22% | 10% | 8 h 50 min |
| December 27 | 25°F | 9°F | 22% | 10% | 8 h 50 min |
| December 28 | 25°F | 9°F | 22% | 10% | 8 h 50 min |
| December 29 | 25°F | 9°F | 22% | 10% | 8 h 50 min |
| December 30 | 25°F | 9°F | 22% | 10% | 8 h 50 min |
| December 31 | 24°F | 8°F | 22% | 10% | 9 h |
- Normal high
- 29°FDecember average
- Normal low
- 13°FDecember average
- Precipitation
- 1.13 inmonth total
- Days with precipitation
- 70.01 inch or more
- Snowfall
- 8.6 inmonth total
- Nights at 32°F or colder
- 30
- Daylight
- 9 h 10 min to 9 hDecember 1 to December 31
- Sunshine
- 66%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00215073; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Mankato in December?
On a given December day the chance of 0.01 inch or more is 22% on average, highest around December 18 (22%). In all, 1.13 in falls on 7 days of a normal December.
In a normal December in Mankato, 30 nights fall to freezing, 18 days stay below freezing all day and snowfall averages 8.6 inches.
Snow falls on 6 days in a normal December, and an inch or more covers the ground on 19 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00215073.
What are the records for December in Mankato?
The warmest December temperature on this station's record (since 1954) is 69°F, on December 2, 1998; the coldest is −32°F, on December 19, 1983. The wettest December brought 3.00 in (1982); the snowiest, 33.6 inches (1969).
Source: records: ACIS, station USC00215073. Records and recent months use complete months only.
How does December in Mankato compare across Minnesota?
Across the 129 places PlainClimate covers in Minnesota, December normal highs run from 19°F in Hallock to 32°F in Winona; Mankato's is 29°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.