Las Vegas weather in December: Las Vegas, Nevada: normal highs, lows, rain and records for December
Las Vegas in December has a normal high of 57°F and a normal low of 40°F, a daily mean of 48°F, falling from 60°F on the 1st to 56°F by the 31st. Measurable precipitation falls on 3 days in a normal December, 0.45 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 14°C and low of 4°C, 11 mm of precipitation and 1 cm of snow in December.
- NOAA stationHarry Reid International Airport
- Station IDUSW00023169
- Location36.07°N 115.16°W
- Elevation2,131 ft (650 m)
- From the center12 miles
- Population678,922
- Jan 59° 41°
- Feb 63° 44°
- Mar 71° 51°
- Apr 79° 57°
- May 89° 66°
- Jun 99° 76°
- Jul 105° 82°
- Aug 103° 81°
- Sep 95° 72°
- Oct 81° 60°
- Nov 67° 47°
- Dec 57° 40°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Las Vegas in December?
The normal high is 57°F and the normal low 40°F, for a daily mean of 48.2°F. December is 9.0°F cooler than November and 1.3°F cooler than January. December is the 12th warmest month of the year in Las Vegas and the 3rd wettest, and the snowiest. Across the month the normal high falls 4°F, from 60°F on December 1 to 56°F on December 31. From one year to the next December's mean temperature typically moves about 1.9°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 46°F and 50°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 10%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 60°F | 42°F | 7% | 3% |
| December 8 | 58°F | 40°F | 9% | 3% |
| December 15 | 56°F | 39°F | 10% | 4% |
| December 22 | 56°F | 39°F | 10% | 4% |
| December 31 | 56°F | 39°F | 10% | 5% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 20)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 60°F | 42°F | 7% | 3% | 9 h 50 min |
| December 2 | 60°F | 41°F | 8% | 3% | 9 h 50 min |
| December 3 | 59°F | 41°F | 8% | 3% | 9 h 50 min |
| December 4 | 59°F | 41°F | 8% | 3% | 9 h 50 min |
| December 5 | 59°F | 41°F | 8% | 3% | 9 h 50 min |
| December 6 | 58°F | 41°F | 8% | 3% | 9 h 50 min |
| December 7 | 58°F | 40°F | 8% | 3% | 9 h 50 min |
| December 8 | 58°F | 40°F | 9% | 3% | 9 h 50 min |
| December 9 | 57°F | 40°F | 9% | 3% | 9 h 50 min |
| December 10 | 57°F | 40°F | 9% | 3% | 9 h 50 min |
| December 11 | 57°F | 40°F | 9% | 3% | 9 h 50 min |
| December 12 | 57°F | 40°F | 9% | 4% | 9 h 50 min |
| December 13 | 57°F | 39°F | 9% | 4% | 9 h 40 min |
| December 14 | 56°F | 39°F | 9% | 4% | 9 h 40 min |
| December 15 | 56°F | 39°F | 10% | 4% | 9 h 40 min |
| December 16 | 56°F | 39°F | 10% | 4% | 9 h 40 min |
| December 17 | 56°F | 39°F | 10% | 4% | 9 h 40 min |
| December 18 | 56°F | 39°F | 10% | 4% | 9 h 40 min |
| December 19 | 56°F | 39°F | 10% | 4% | 9 h 40 min |
| December 20 | 56°F | 39°F | 10% | 4% | 9 h 40 min |
| December 21 | 56°F | 39°F | 10% | 4% | 9 h 40 min |
| December 22 | 56°F | 39°F | 10% | 4% | 9 h 40 min |
| December 23 | 56°F | 39°F | 10% | 4% | 9 h 40 min |
| December 24 | 56°F | 39°F | 10% | 4% | 9 h 40 min |
| December 25 | 56°F | 39°F | 10% | 5% | 9 h 40 min |
| December 26 | 56°F | 39°F | 10% | 5% | 9 h 40 min |
| December 27 | 56°F | 39°F | 10% | 5% | 9 h 40 min |
| December 28 | 56°F | 39°F | 10% | 5% | 9 h 40 min |
| December 29 | 56°F | 39°F | 10% | 5% | 9 h 40 min |
| December 30 | 56°F | 39°F | 10% | 5% | 9 h 40 min |
| December 31 | 56°F | 39°F | 10% | 5% | 9 h 40 min |
- Normal high
- 57°FDecember average
- Normal low
- 40°FDecember average
- Precipitation
- 0.45 inmonth total
- Days with precipitation
- 30.01 inch or more
- Snowfall
- 0.2 inmonth total
- Nights at 32°F or colder
- 5
- Daylight
- 9 h 50 min to 9 h 40 minDecember 1 to December 31
- Days at 70°F or more
- 1
- Sunshine
- 82%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023169; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Las Vegas in December?
On a given December day the chance of 0.01 inch or more is 9% on average, highest around December 26 (10%). In all, 0.45 in falls on 3 days of a normal December.
In a normal December in Las Vegas, 5 nights fall to freezing and snowfall averages 0.2 inches.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023169.
How humid and windy is Las Vegas in December?
At 3 p.m. the normal temperature is 55°F with 27% relative humidity and a dew point of 22°F; at 6 a.m. it is 40°F with 50% humidity. The wind averages 6.2 mph, most often from the northeast in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 40°F | 22°F | 50% | 6.2 mph | 59% |
| 9 a.m. | 45°F | 23°F | 42% | 4.8 mph | 46% |
| noon | 52°F | 22°F | 30% | 5.9 mph | 42% |
| 3 p.m. | 55°F | 22°F | 27% | 6.3 mph | 38% |
| 6 p.m. | 50°F | 23°F | 34% | 6.0 mph | 45% |
| 9 p.m. | 46°F | 23°F | 41% | 6.4 mph | 57% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00023169. 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 Las Vegas?
The warmest December temperature on Las Vegas's official record (since 1937) is 78°F, on December 2, 1940; the coldest is 11°F, on December 23, 1990. The wettest December brought 2.10 in (2004); the snowiest, 3.6 inches (2008).
The December mean against the 1991-2020 normal of 48.2°F: 2021 49.5°F (+1.3), 2022 48.8°F (+0.6), 2023 53.2°F (+5.0), 2024 52.9°F (+4.7), 2025 54.8°F (+6.6). 5 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 49.5°F | +1.3°F | 0.28 in |
| 2022 | 48.8°F | +0.6°F | 0.07 in |
| 2023 | 53.2°F | +5.0°F | 0.06 in |
| 2024 | 52.9°F | +4.7°F | 0.00 in |
| 2025 | 54.8°F | +6.6°F | 0.45 in |
Source: records: ACIS, NWS threaded record LASthr; recent months: ACIS, station USW00023169. Records and recent months use complete months only.
How does December in Las Vegas compare across Nevada?
Across the 55 places PlainClimate covers in Nevada, December normal highs run from 37°F in Lamoille to 64°F in Laughlin; Las Vegas's is 57°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.