Billings weather in December: Billings, Montana: normal highs, lows, rain and records for December
Billings in December has a normal high of 36°F and a normal low of 19°F, a daily mean of 28°F, falling from 39°F on the 1st to 35°F by the 31st. Measurable precipitation falls on 6 days in a normal December, 0.57 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 2°C and low of −7°C, 14 mm of precipitation and 25 cm of snow in December.
- NOAA stationBillings International Airport
- Station IDUSW00024033
- Location45.81°N 108.54°W
- Elevation3,581 ft (1,092 m)
- From the center1 miles
- Population121,483
- Jan 36° 18°
- Feb 39° 20°
- Mar 49° 27°
- Apr 57° 35°
- May 67° 44°
- Jun 77° 52°
- Jul 87° 59°
- Aug 86° 58°
- Sep 74° 49°
- Oct 59° 37°
- Nov 46° 27°
- Dec 36° 19°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Billings in December?
The normal high is 36°F and the normal low 19°F, for a daily mean of 27.6°F. December is 8.6°F cooler than November and 0.6°F warmer than January. December is the 11th warmest month of the year in Billings and the 10th wettest. Across the month the normal high falls 4°F, from 39°F on December 1 to 35°F on December 31. From one year to the next December's mean temperature typically moves about 5.4°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 22°F and 33°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 21%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 39°F | 22°F | 19% | 6% |
| December 8 | 37°F | 21°F | 19% | 6% |
| December 15 | 36°F | 19°F | 20% | 6% |
| December 22 | 35°F | 18°F | 20% | 6% |
| December 31 | 35°F | 17°F | 21% | 6% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 29)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 39°F | 22°F | 19% | 6% | 9 h |
| December 2 | 39°F | 22°F | 19% | 6% | 9 h |
| December 3 | 39°F | 22°F | 19% | 6% | 8 h 50 min |
| December 4 | 38°F | 22°F | 19% | 6% | 8 h 50 min |
| December 5 | 38°F | 21°F | 19% | 6% | 8 h 50 min |
| December 6 | 38°F | 21°F | 19% | 6% | 8 h 50 min |
| December 7 | 37°F | 21°F | 19% | 6% | 8 h 50 min |
| December 8 | 37°F | 21°F | 19% | 6% | 8 h 50 min |
| December 9 | 37°F | 20°F | 19% | 6% | 8 h 50 min |
| December 10 | 37°F | 20°F | 19% | 6% | 8 h 50 min |
| December 11 | 36°F | 20°F | 19% | 6% | 8 h 50 min |
| December 12 | 36°F | 20°F | 19% | 6% | 8 h 40 min |
| December 13 | 36°F | 19°F | 19% | 6% | 8 h 40 min |
| December 14 | 36°F | 19°F | 20% | 6% | 8 h 40 min |
| December 15 | 36°F | 19°F | 20% | 6% | 8 h 40 min |
| December 16 | 36°F | 19°F | 20% | 6% | 8 h 40 min |
| December 17 | 35°F | 19°F | 20% | 6% | 8 h 40 min |
| December 18 | 35°F | 19°F | 20% | 6% | 8 h 40 min |
| December 19 | 35°F | 18°F | 20% | 6% | 8 h 40 min |
| December 20 | 35°F | 18°F | 20% | 6% | 8 h 40 min |
| December 21 | 35°F | 18°F | 20% | 6% | 8 h 40 min |
| December 22 | 35°F | 18°F | 20% | 6% | 8 h 40 min |
| December 23 | 35°F | 18°F | 21% | 6% | 8 h 40 min |
| December 24 | 35°F | 18°F | 21% | 6% | 8 h 40 min |
| December 25 | 35°F | 18°F | 21% | 6% | 8 h 40 min |
| December 26 | 35°F | 18°F | 21% | 6% | 8 h 40 min |
| December 27 | 35°F | 18°F | 21% | 6% | 8 h 40 min |
| December 28 | 35°F | 18°F | 21% | 6% | 8 h 40 min |
| December 29 | 35°F | 17°F | 21% | 6% | 8 h 40 min |
| December 30 | 35°F | 17°F | 21% | 6% | 8 h 40 min |
| December 31 | 35°F | 17°F | 21% | 6% | 8 h 40 min |
- Normal high
- 36°FDecember average
- Normal low
- 19°FDecember average
- Precipitation
- 0.57 inmonth total
- Days with precipitation
- 60.01 inch or more
- Snowfall
- 9.8 inmonth total
- Nights at 32°F or colder
- 28
- Daylight
- 9 h to 8 h 40 minDecember 1 to December 31
- Sunshine
- 67%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00024033; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Billings in December?
On a given December day the chance of 0.01 inch or more is 20% on average, highest around December 30 (21%). In all, 0.57 in falls on 6 days of a normal December.
In a normal December in Billings, 28 nights fall to freezing, 10 days stay below freezing all day and snowfall averages 9.8 inches.
Snow falls on 7 days in a normal December, and an inch or more covers the ground on 12 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024033.
How humid and windy is Billings in December?
At 3 p.m. the normal temperature is 31°F with 50% relative humidity and a dew point of 14°F; at 6 a.m. it is 22°F with 64% humidity. The wind averages 13.1 mph, most often from the west-southwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 22°F | 12°F | 64% | 13.2 mph | 50% |
| 9 a.m. | 23°F | 12°F | 63% | 13.5 mph | – |
| noon | 28°F | 14°F | 54% | 13.7 mph | 38% |
| 3 p.m. | 31°F | 14°F | 50% | 13.4 mph | 38% |
| 6 p.m. | 27°F | 14°F | 57% | 12.4 mph | 47% |
| 9 p.m. | 25°F | 13°F | 61% | 12.6 mph | 49% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00024033. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for December in Billings?
The warmest December temperature on Billings's official record (since 1934) is 73°F, on December 5, 1939; the coldest is −32°F, on December 24, 1983. The wettest December brought 2.00 in (1973); the snowiest, 30.4 inches (2016).
The December mean against the 1991-2020 normal of 27.6°F: 2021 25.5°F (−2.1), 2022 19.4°F (−8.2), 2023 36.9°F (+9.3), 2024 36.7°F (+9.1), 2025 34.5°F (+6.9). 3 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 25.5°F | −2.1°F | 0.97 in |
| 2022 | 19.4°F | −8.2°F | 0.61 in |
| 2023 | 36.9°F | +9.3°F | 0.33 in |
| 2024 | 36.7°F | +9.1°F | 0.50 in |
| 2025 | 34.5°F | +6.9°F | 1.39 in |
Source: records: ACIS, NWS threaded record BILthr; recent months: ACIS, station USW00024033. Records and recent months use complete months only.
How does December in Billings compare across Montana?
Across the 141 places PlainClimate covers in Montana, December normal highs run from 22°F in Cooke City to 39°F in Geraldine; Billings's is 36°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.