Centennial weather in December: Centennial, Colorado: normal highs, lows, rain and records for December

Centennial in December has a normal high of 44°F and a normal low of 19°F, a daily mean of 31°F, falling from 47°F on the 1st to 44°F by the 31st. Measurable precipitation falls on 4 days in a normal December, 0.35 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 7°C and low of −7°C, 9 mm of precipitation in December.

  • NOAA stationDenver Centennial Airport
  • Station IDUSW00093067
  • Location39.57°N 104.85°W
  • Elevation5,883 ft (1,793 m)
  • From the center2 miles
  • Population108,853
  1. Jan 45° 19°
  2. Feb 46° 20°
  3. Mar 54° 27°
  4. Apr 60° 34°
  5. May 69° 43°
  6. Jun 81° 52°
  7. Jul 87° 59°
  8. Aug 85° 57°
  9. Sep 77° 49°
  10. Oct 64° 36°
  11. Nov 52° 26°
  12. Dec 44° 19°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Centennial in December?

The normal high is 44°F and the normal low 19°F, for a daily mean of 31.4°F. December is 7.9°F cooler than November and 0.4°F cooler than January. December is the 12th warmest month of the year in Centennial and the 12th wettest. Across the month the normal high falls 3°F, from 47°F on December 1 to 44°F on December 31. From one year to the next December's mean temperature typically moves about 2.5°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 29°F and 34°F.

Centennial in December, day by day: normal high and low

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 15%).

Normal high and low on five days of December, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
December 147°F21°F15%5%
December 845°F20°F15%4%
December 1543°F18°F15%4%
December 2243°F18°F14%4%
December 3144°F18°F13%4%
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 22)
Centennial: NOAA 1991-2020 daily normals for each day of December
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
December 147°F21°F15%5%9 h 40 min
December 246°F21°F15%5%9 h 40 min
December 346°F21°F15%5%9 h 30 min
December 446°F20°F15%4%9 h 30 min
December 545°F20°F15%4%9 h 30 min
December 645°F20°F15%4%9 h 30 min
December 745°F20°F15%4%9 h 30 min
December 845°F20°F15%4%9 h 30 min
December 944°F19°F15%4%9 h 30 min
December 1044°F19°F15%4%9 h 30 min
December 1144°F19°F15%4%9 h 30 min
December 1244°F19°F15%4%9 h 30 min
December 1344°F19°F15%4%9 h 20 min
December 1444°F19°F15%4%9 h 20 min
December 1543°F18°F15%4%9 h 20 min
December 1643°F18°F14%4%9 h 20 min
December 1743°F18°F14%4%9 h 20 min
December 1843°F18°F14%4%9 h 20 min
December 1943°F18°F14%4%9 h 20 min
December 2043°F18°F14%4%9 h 20 min
December 2143°F18°F14%4%9 h 20 min
December 2243°F18°F14%4%9 h 20 min
December 2343°F18°F14%3%9 h 20 min
December 2443°F18°F14%3%9 h 20 min
December 2543°F18°F14%3%9 h 20 min
December 2643°F18°F14%3%9 h 20 min
December 2744°F18°F14%3%9 h 20 min
December 2844°F18°F14%3%9 h 20 min
December 2944°F18°F13%3%9 h 20 min
December 3044°F18°F13%3%9 h 20 min
December 3144°F18°F13%4%9 h 20 min
Normal high
44°FDecember average
Normal low
19°FDecember average
Precipitation
0.35 inmonth total
Days with precipitation
40.01 inch or more
Nights at 32°F or colder
30
Daylight
9 h 40 min to 9 h 20 minDecember 1 to December 31
Sunshine
79%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00093067; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Centennial in December?

On a given December day the chance of 0.01 inch or more is 14% on average, highest around December 4 (15%). In all, 0.35 in falls on 4 days of a normal December.

In a normal December in Centennial, 30 nights fall to freezing and 6 days stay below freezing all day.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093067.

How humid and windy is Centennial in December?

At 3 p.m. the normal temperature is 40°F with 34% relative humidity and a dew point of 14°F; at 6 a.m. it is 24°F with 57% humidity. The wind averages 7.6 mph, most often from the north in the afternoon. A dew point under 50°F feels dry.

A normal December day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.24°F11°F57%7.0 mph57%
9 a.m.29°F13°F51%7.1 mph–
noon38°F14°F36%8.2 mph–
3 p.m.40°F14°F34%8.8 mph–
6 p.m.31°F15°F50%7.6 mph–
9 p.m.27°F14°F56%7.2 mph–

Source: NOAA NCEI 1991-2020 hourly normals, station USW00093067. 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 Centennial?

The warmest December temperature on this station's record (since 1998) is 76°F, on December 22, 2025; the coldest is −16°F, on December 22, 2022. The wettest December brought 2.11 in (2006); the snowiest, 11.1 inches (2009).

The December mean against the 1991-2020 normal of 31.4°F: 2021 39.1°F (+7.7), 2022 30.8°F (−0.6), 2023 36.6°F (+5.2), 2024 38.9°F (+7.5), 2025 42.9°F (+11.5). 4 of 5 ran warmer than normal.

Centennial: December in recent years against the 1991-2020 normal
DecemberMeanAgainst normalPrecip.
202139.1°F+7.7°F0.16 in
202230.8°F−0.6°F0.80 in
202336.6°F+5.2°F0.51 in
202438.9°F+7.5°F0.05 in
202542.9°F+11.5°F0.28 in

Source: records: ACIS, station USW00093067; recent months: ACIS, station USW00093067. Records and recent months use complete months only.

How does December in Centennial compare across Colorado?

Across the 125 places PlainClimate covers in Colorado, December normal highs run from 27°F in Crested Butte to 49°F in Campo; Centennial's is 44°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places