Omaha weather in December: Omaha, Nebraska: normal highs, lows, rain and records for December
Omaha in December has a normal high of 38°F and a normal low of 20°F, a daily mean of 29°F, falling from 43°F on the 1st to 34°F by the 31st. Measurable precipitation falls on 7 days in a normal December, 1.22 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 3°C and low of −7°C, 31 mm of precipitation and 15 cm of snow in December.
- NOAA stationOmaha Eppley Airfield
- Station IDUSW00014942
- Location41.31°N 95.90°W
- Elevation982 ft (299 m)
- From the center9 miles
- Population489,265
- Jan 34° 15°
- Feb 39° 19°
- Mar 52° 30°
- Apr 64° 41°
- May 75° 53°
- Jun 84° 63°
- Jul 88° 68°
- Aug 86° 66°
- Sep 79° 56°
- Oct 66° 43°
- Nov 50° 30°
- Dec 38° 20°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Omaha in December?
The normal high is 38°F and the normal low 20°F, for a daily mean of 28.7°F. December is 11.5°F cooler than November and 4.3°F warmer than January. December is the 11th warmest month of the year in Omaha and the 10th wettest. Across the month the normal high falls 9°F, from 43°F on December 1 to 34°F on December 31. From one year to the next December's mean temperature typically moves about 4.3°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 24°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 23%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 43°F | 24°F | 21% | 9% |
| December 8 | 40°F | 22°F | 22% | 9% |
| December 15 | 38°F | 20°F | 22% | 9% |
| December 22 | 36°F | 18°F | 23% | 9% |
| December 31 | 34°F | 16°F | 23% | 8% |
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 | 43°F | 24°F | 21% | 9% | 9 h 30 min |
| December 2 | 43°F | 24°F | 21% | 9% | 9 h 30 min |
| December 3 | 42°F | 24°F | 22% | 9% | 9 h 20 min |
| December 4 | 42°F | 23°F | 22% | 9% | 9 h 20 min |
| December 5 | 41°F | 23°F | 22% | 9% | 9 h 20 min |
| December 6 | 41°F | 23°F | 22% | 9% | 9 h 20 min |
| December 7 | 41°F | 22°F | 22% | 9% | 9 h 20 min |
| December 8 | 40°F | 22°F | 22% | 9% | 9 h 20 min |
| December 9 | 40°F | 22°F | 22% | 9% | 9 h 20 min |
| December 10 | 39°F | 21°F | 22% | 9% | 9 h 20 min |
| December 11 | 39°F | 21°F | 22% | 9% | 9 h 20 min |
| December 12 | 39°F | 21°F | 22% | 9% | 9 h 10 min |
| December 13 | 38°F | 20°F | 22% | 9% | 9 h 10 min |
| December 14 | 38°F | 20°F | 22% | 9% | 9 h 10 min |
| December 15 | 38°F | 20°F | 22% | 9% | 9 h 10 min |
| December 16 | 37°F | 20°F | 22% | 9% | 9 h 10 min |
| December 17 | 37°F | 19°F | 22% | 9% | 9 h 10 min |
| December 18 | 37°F | 19°F | 22% | 9% | 9 h 10 min |
| December 19 | 36°F | 19°F | 23% | 9% | 9 h 10 min |
| December 20 | 36°F | 19°F | 23% | 9% | 9 h 10 min |
| December 21 | 36°F | 18°F | 23% | 9% | 9 h 10 min |
| December 22 | 36°F | 18°F | 23% | 9% | 9 h 10 min |
| December 23 | 35°F | 18°F | 23% | 9% | 9 h 10 min |
| December 24 | 35°F | 18°F | 23% | 9% | 9 h 10 min |
| December 25 | 35°F | 17°F | 22% | 9% | 9 h 10 min |
| December 26 | 35°F | 17°F | 22% | 9% | 9 h 10 min |
| December 27 | 35°F | 17°F | 22% | 9% | 9 h 10 min |
| December 28 | 34°F | 17°F | 23% | 8% | 9 h 10 min |
| December 29 | 34°F | 17°F | 23% | 8% | 9 h 10 min |
| December 30 | 34°F | 17°F | 23% | 8% | 9 h 10 min |
| December 31 | 34°F | 16°F | 23% | 8% | 9 h 10 min |
- Normal high
- 38°FDecember average
- Normal low
- 20°FDecember average
- Precipitation
- 1.22 inmonth total
- Days with precipitation
- 70.01 inch or more
- Snowfall
- 5.8 inmonth total
- Nights at 32°F or colder
- 29
- Daylight
- 9 h 30 min to 9 h 10 minDecember 1 to December 31
- Sunshine
- 69%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014942; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Omaha in December?
On a given December day the chance of 0.01 inch or more is 22% on average, highest around December 19 (23%). In all, 1.22 in falls on 7 days of a normal December.
In a normal December in Omaha, 29 nights fall to freezing, 10 days stay below freezing all day and snowfall averages 5.8 inches.
Snow falls on 5 days in a normal December, and an inch or more covers the ground on 9 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014942.
How humid and windy is Omaha in December?
At 3 p.m. the normal temperature is 31°F with 61% relative humidity and a dew point of 19°F; at 6 a.m. it is 20°F with 81% humidity. The wind averages 10.1 mph, most often from the west-northwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 20°F | 15°F | 81% | 9.4 mph | 42% |
| 9 a.m. | 21°F | 16°F | 80% | 10.0 mph | – |
| noon | 27°F | 18°F | 67% | 11.6 mph | 41% |
| 3 p.m. | 31°F | 19°F | 61% | 11.9 mph | 48% |
| 6 p.m. | 27°F | 18°F | 70% | 9.6 mph | 43% |
| 9 p.m. | 24°F | 17°F | 76% | 9.4 mph | 56% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014942. 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 Omaha?
The warmest December temperature on Omaha's official record (since 1871) is 74°F, on December 15, 2021; the coldest is −25°F, on December 22, 1989. The wettest December brought 5.26 in (2015); the snowiest, 24.6 inches (2009).
The December mean against the 1991-2020 normal of 28.7°F: 2021 35.9°F (+7.2), 2022 24.3°F (−4.4), 2023 35.1°F (+6.4), 2024 31.9°F (+3.2), 2025 30.4°F (+1.8). 4 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 35.9°F | +7.2°F | 0.38 in |
| 2022 | 24.3°F | −4.4°F | 1.05 in |
| 2023 | 35.1°F | +6.4°F | 1.68 in |
| 2024 | 31.9°F | +3.2°F | 0.80 in |
| 2025 | 30.4°F | +1.8°F | 0.33 in |
Source: records: ACIS, NWS threaded record OMAthr; recent months: ACIS, station USW00014942. Records and recent months use complete months only.
How does December in Omaha compare across Nebraska?
Across the 137 places PlainClimate covers in Nebraska, December normal highs run from 34°F in Creighton to 44°F in Haigler; Omaha's is 38°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.