Bloomington weather in December: Bloomington, Indiana: normal highs, lows, rain and records for December
Bloomington in December has a normal high of 42°F and a normal low of 27°F, a daily mean of 34°F, falling from 47°F on the 1st to 39°F by the 31st. Measurable precipitation falls on 12 days in a normal December, 3.29 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 6°C and low of −3°C, 84 mm of precipitation in December.
- NOAA stationBloomington Monroe County Airport
- Station IDUSW00003893
- Location39.13°N 86.62°W
- Elevation844 ft (257 m)
- From the center5 miles
- Population79,986
- Jan 39° 22°
- Feb 43° 25°
- Mar 54° 33°
- Apr 66° 43°
- May 74° 53°
- Jun 82° 62°
- Jul 85° 64°
- Aug 84° 62°
- Sep 78° 55°
- Oct 67° 44°
- Nov 53° 34°
- Dec 42° 27°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Bloomington in December?
The normal high is 42°F and the normal low 27°F, for a daily mean of 34.4°F. December is 9.3°F cooler than November and 4.1°F warmer than January. December is the 10th warmest month of the year in Bloomington and the 11th wettest. Across the month the normal high falls 8°F, from 47°F on December 1 to 39°F on December 31. From one year to the next December's mean temperature typically moves about 4.6°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 30°F and 39°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 | 47°F | 30°F | 37% | 23% |
| December 8 | 44°F | 28°F | 38% | 23% |
| December 15 | 42°F | 27°F | 40% | 23% |
| December 22 | 41°F | 25°F | 40% | 22% |
| December 31 | 39°F | 24°F | 38% | 21% |
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 | 47°F | 30°F | 37% | 23% | 9 h 40 min |
| December 2 | 46°F | 30°F | 37% | 23% | 9 h 40 min |
| December 3 | 46°F | 29°F | 37% | 23% | 9 h 40 min |
| December 4 | 46°F | 29°F | 37% | 23% | 9 h 40 min |
| December 5 | 45°F | 29°F | 38% | 23% | 9 h 30 min |
| December 6 | 45°F | 29°F | 38% | 23% | 9 h 30 min |
| December 7 | 45°F | 29°F | 38% | 23% | 9 h 30 min |
| December 8 | 44°F | 28°F | 38% | 23% | 9 h 30 min |
| December 9 | 44°F | 28°F | 39% | 23% | 9 h 30 min |
| December 10 | 44°F | 28°F | 39% | 23% | 9 h 30 min |
| December 11 | 43°F | 28°F | 39% | 23% | 9 h 30 min |
| December 12 | 43°F | 27°F | 39% | 23% | 9 h 30 min |
| December 13 | 43°F | 27°F | 39% | 23% | 9 h 30 min |
| December 14 | 42°F | 27°F | 39% | 23% | 9 h 30 min |
| December 15 | 42°F | 27°F | 40% | 23% | 9 h 30 min |
| December 16 | 42°F | 27°F | 40% | 23% | 9 h 30 min |
| December 17 | 42°F | 26°F | 40% | 22% | 9 h 30 min |
| December 18 | 41°F | 26°F | 40% | 22% | 9 h 30 min |
| December 19 | 41°F | 26°F | 40% | 22% | 9 h 30 min |
| December 20 | 41°F | 26°F | 40% | 22% | 9 h 20 min |
| December 21 | 41°F | 26°F | 40% | 22% | 9 h 20 min |
| December 22 | 41°F | 25°F | 40% | 22% | 9 h 20 min |
| December 23 | 40°F | 25°F | 40% | 22% | 9 h 20 min |
| December 24 | 40°F | 25°F | 40% | 22% | 9 h 20 min |
| December 25 | 40°F | 25°F | 40% | 22% | 9 h 30 min |
| December 26 | 40°F | 25°F | 39% | 22% | 9 h 30 min |
| December 27 | 40°F | 24°F | 39% | 22% | 9 h 30 min |
| December 28 | 40°F | 24°F | 39% | 21% | 9 h 30 min |
| December 29 | 39°F | 24°F | 39% | 21% | 9 h 30 min |
| December 30 | 39°F | 24°F | 39% | 21% | 9 h 30 min |
| December 31 | 39°F | 24°F | 38% | 21% | 9 h 30 min |
- Normal high
- 42°FDecember average
- Normal low
- 27°FDecember average
- Precipitation
- 3.29 inmonth total
- Days with precipitation
- 120.01 inch or more
- Nights at 32°F or colder
- 23
- Daylight
- 9 h 40 min to 9 h 30 minDecember 1 to December 31
- Sunshine
- 59%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003893; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Bloomington in December?
On a given December day the chance of 0.01 inch or more is 39% on average, highest around December 19 (40%). In all, 3.29 in falls on 12 days of a normal December, 1 of them with an inch or more.
In a normal December in Bloomington, 23 nights fall to freezing and 6 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003893.
What are the records for December in Bloomington?
The warmest December temperature on this station's record (since 1998) is 73°F, on December 6, 1998; the coldest is −19°F, on December 25, 2004. The wettest December brought 6.74 in (2013).
The December mean against the 1991-2020 normal of 34.4°F: 2021 43.6°F (+9.2), 2022 34.4°F (at normal), 2023 40.9°F (+6.5), 2024 37.5°F (+3.1), 2025 33.9°F (−0.5). 3 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 43.6°F | +9.2°F | 4.52 in |
| 2022 | 34.4°F | at normal | 2.54 in |
| 2023 | 40.9°F | +6.5°F | 1.78 in |
| 2024 | 37.5°F | +3.1°F | 4.37 in |
| 2025 | 33.9°F | −0.5°F | 2.07 in |
Source: records: ACIS, station USW00003893; recent months: ACIS, station USW00003893. Records and recent months use complete months only.
How does December in Bloomington compare across Indiana?
Across the 99 places PlainClimate covers in Indiana, December normal highs run from 36°F in Angola to 47°F in English; Bloomington's is 42°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Bloomington in November53°F by day, 34°F at night
- Bloomington in January39°F by day, 22°F at night
- Bloomington through the yearEvery month, frost dates, records and recent years
- Indiana in DecemberThe statewide normal and the warmest and coolest places
- English: Indiana's warmest Decembernormal high 47°F