December Weather in Englewood Colorado, United States
Daily high temperatures decrease by 5°F, from 49°F to 44°F, rarely falling below 28°F or exceeding 64°F. The lowest daily average high temperature is 44°F on December 30.
Daily low temperatures decrease by 4°F, from 27°F to 23°F, rarely falling below 7°F or exceeding 40°F. The lowest daily average low temperature is 23°F on December 30.
For reference, on July 10, the hottest day of the year, temperatures in Englewood typically range from 62°F to 88°F, while on December 30, the coldest day of the year, they range from 23°F to 44°F.
Average High and Low Temperature in December in Englewood
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on December. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.
Average Hourly Temperature in December in Englewood
The month of December in Englewood experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 41% throughout the month.
The clearest day of the month is December 26, with clear, mostly clear, or partly cloudy conditions 60% of the time.
For reference, on May 7, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 47%, while on September 16, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 75%.
Cloud Cover Categories in December in Englewood
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Englewood, the chance of a wet day over the course of December is essentially constant, remaining around 6% throughout.
For reference, the year's highest daily chance of a wet day is 31% on August 4, and its lowest chance is 5% on December 19.
Over the course of December in Englewood, the chance of a day with only rain remains an essentially constant 1% throughout, the chance of a day with mixed snow and rain remains an essentially constant 2% throughout, and the chance of a day with only snow remains an essentially constant 3% throughout.
Probability of Precipitation in December in Englewood
The average sliding 31-day rainfall during December in Englewood is essentially constant, remaining about 0.1 inches throughout, and rarely exceeding 0.4 inches.
The lowest average 31-day accumulation is 0.1 inches on December 30.
Average Monthly Rainfall in December in Englewood
We report snowfall in liquid-equivalent terms. The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. As with rainfall, we consider the liquid-equivalent snowfall accumulated over a sliding 31-day period centered around each day.
The average sliding 31-day liquid-equivalent snowfall during December in Englewood is essentially constant, remaining about 0.2 inches throughout, and rarely exceeding 0.5 inches or falling to 0.0 inches.
The highest average 31-day liquid-equivalent accumulation is 0.2 inches on December 16.
Average Monthly Liquid-Equivalent Snowfall in December in Englewood
Over the course of December in Englewood, the length of the day is essentially constant. The shortest day of the month is December 21, with 9 hours, 22 minutes of daylight and the longest day is December 1, with 9 hours, 34 minutes of daylight.
Hours of Daylight and Twilight in December in Englewood
The earliest sunrise of the month in Englewood is 7:01 AM on December 1 and the latest sunrise is 19 minutes later at 7:20 AM on December 31.
The earliest sunset is 4:35 PM on December 7 and the latest sunset is 10 minutes later at 4:45 PM on December 31.
Daylight saving time is observed in Englewood during 2021, but it neither starts nor ends during December, so the entire month is in standard time.
For reference, on June 21, the longest day of the year, the Sun rises at 5:32 AM and sets 14 hours, 59 minutes later, at 8:31 PM, while on December 21, the shortest day of the year, it rises at 7:17 AM and sets 9 hours, 22 minutes later, at 4:39 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in December in Englewood
The figure below presents a compact representation of key lunar data for December 2021. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.
Moon Rise, Set & Phases in December in Englewood
The chance that a given day will be muggy in Englewood is essentially constant during December, remaining around 0% throughout.
Humidity Comfort Levels in December in Englewood
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Englewood is gradually increasing during December, increasing from 8.7 miles per hour to 9.2 miles per hour over the course of the month.
For reference, on January 17, the windiest day of the year, the daily average wind speed is 9.7 miles per hour, while on August 19, the calmest day of the year, the daily average wind speed is 7.0 miles per hour.
Average Wind Speed in December in Englewood
The hourly average wind direction in Englewood throughout December is predominantly from the west, with a peak proportion of 64% on December 31.
Wind Direction in December in Englewood
The growing season in Englewood typically lasts for 5.5 months (168 days), from around April 27 to around October 13, rarely starting before April 6 or after May 16, and rarely ending before September 20 or after November 3.
The month of December in Englewood is reliably fully outside of the growing season.
Time Spent in Various Temperature Bands and the Growing Season in December in Englewood
The average accumulated growing degree days in Englewood are essentially constant during December, remaining within 9°F of 3,260°F throughout.
Growing Degree Days in December in Englewood
The average daily incident shortwave solar energy in Englewood is essentially constant during December, remaining within 0.1 kWh of 2.5 kWh throughout.
The lowest average daily incident shortwave solar energy during December is 2.4 kWh on December 22.
Average Daily Incident Shortwave Solar Energy in December in Englewood
For the purposes of this report, the geographical coordinates of Englewood are 39.648 deg latitude, -104.988 deg longitude, and 5,371 ft elevation.
The topography within 2 miles of Englewood contains only modest variations in elevation, with a maximum elevation change of 230 feet and an average elevation above sea level of 5,354 feet. Within 10 miles contains only modest variations in elevation (1,490 feet). Within 50 miles contains very significant variations in elevation (9,547 feet).
The area within 2 miles of Englewood is covered by artificial surfaces (61%), shrubs (28%), and cropland (11%), within 10 miles by artificial surfaces (60%) and shrubs (29%), and within 50 miles by grassland (34%) and trees (29%).
This report illustrates the typical weather in Englewood, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Temperature and Dew Point
There are 5 weather stations near enough to contribute to our estimation of the temperature and dew point in Englewood.
For each station, the records are corrected for the elevation difference between that station and Englewood according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
The estimated value at Englewood is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Englewood and a given station.
The stations contributing to this reconstruction are: Arapahoe County Airport (KAPA, 31%, 15 kilometers, southeast); Denver / Stapleton International, Co. (KDNR, 50%, 15 kilometers, northeast); Rocky Mountain Metropolitan Airport (KBJC, 18%, 30 kilometers, north); Wilkerson Pass (K4BM, 1.1%, 81 kilometers, southwest); and Copper Mountain, Red Cliff Pass (KCCU, 0.9%, 102 kilometers, west).
Time zones for airports and weather stations are provided by AskGeo.com .