Average Weather in December in Ridgecrest California, United States
Daily high temperatures decrease by 5°F, from 62°F to 58°F, rarely falling below 49°F or exceeding 71°F. The lowest daily average high temperature is 57°F on December 24.
Daily low temperatures decrease by 3°F, from 33°F to 30°F, rarely falling below 21°F or exceeding 43°F. The lowest daily average low temperature is 30°F on December 27.
For reference, on July 19, the hottest day of the year, temperatures in Ridgecrest typically range from 71°F to 103°F, while on December 27, the coldest day of the year, they range from 30°F to 58°F.
Average High and Low Temperature in December
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
The month of December in Ridgecrest experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 34% to 38%. The highest chance of overcast or mostly cloudy conditions is 39% on December 29.
The clearest day of the month is December 1, with clear, mostly clear, or partly cloudy conditions 66% of the time.
For reference, on February 21, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 41%, while on September 7, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 90%.
Cloud Cover Categories in December
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Ridgecrest, the chance of a wet day over the course of December is increasing, starting the month at 9% and ending it at 13%.
For reference, the year's highest daily chance of a wet day is 16% on February 21, and its lowest chance is 1% on June 23.
Over the course of December in Ridgecrest, the chance of a day with only rain increases from 9% to 12%, the chance of a day with mixed snow and rain remains an essentially constant 1% throughout, and the chance of a day with only snow remains an essentially constant 0% throughout.
Probability of Precipitation in December
The average sliding 31-day rainfall during December in Ridgecrest is gradually increasing, starting the month at 0.7 inches, when it rarely exceeds 1.6 inches, and ending the month at 1.0 inches, when it rarely exceeds 2.5 inches.
Average Monthly Rainfall in December
Over the course of December in Ridgecrest, the length of the day is essentially constant. The shortest day of the month is December 21, with 9 hours, 45 minutes of daylight and the longest day is December 1, with 9 hours, 56 minutes of daylight.
Hours of Daylight and Twilight in December
The earliest sunrise of the month in Ridgecrest is 6:41 AM on December 1 and the latest sunrise is 18 minutes later at 7:00 AM on December 31.
The earliest sunset is 4:37 PM on December 5 and the latest sunset is 10 minutes later at 4:47 PM on December 31.
Daylight saving time is observed in Ridgecrest during 2018, 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 5:35 AM and sets 14 hours, 34 minutes later, at 8:09 PM, while on December 21, the shortest day of the year, it rises at 6:56 AM and sets 9 hours, 45 minutes later, at 4:41 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in December
The chance that a given day will be muggy in Ridgecrest is essentially constant during December, remaining around 0% throughout.
For reference, on July 16, the muggiest day of the year, there are muggy conditions 1% of the time, while on October 7, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in December
The average hourly wind speed in Ridgecrest is essentially constant during December, remaining within 0.1 miles per hour of 7.2 miles per hour throughout.
For reference, on June 10, the windiest day of the year, the daily average wind speed is 9.4 miles per hour, while on January 10, the calmest day of the year, the daily average wind speed is 7.0 miles per hour.
The highest daily average wind speed during December is 7.3 miles per hour on December 10.
Average Wind Speed in December
Wind Direction in December
The growing season in Ridgecrest typically lasts for 8.0 months (244 days), from around March 15 to around November 13, rarely starting before February 12 or after April 12, and rarely ending before October 27 or after December 1.
The month of December in Ridgecrest is very likely fully outside of the growing season, with the chance that a given day is in the growing season gradually decreasing from 9% to -0% over the course of the month.
Time Spent in Various Temperature Bands and the Growing Season in December
The average accumulated growing degree days in Ridgecrest are gradually increasing during December, increasing by 65°F, from 5,803°F to 5,868°F, over the course of the month.
Growing Degree Days in December
The average daily incident shortwave solar energy in Ridgecrest is essentially constant during December, remaining within 0.1 kWh of 3.1 kWh throughout.
The lowest average daily incident shortwave solar energy during December is 2.9 kWh on December 25.
Average Daily Incident Shortwave Solar Energy in December
For the purposes of this report, the geographical coordinates of Ridgecrest are 35.622 deg latitude, -117.671 deg longitude, and 2,310 ft elevation.
The topography within 2 miles of Ridgecrest contains only modest variations in elevation, with a maximum elevation change of 148 feet and an average elevation above sea level of 2,296 feet. Within 10 miles contains only modest variations in elevation (2,516 feet). Within 50 miles contains large variations in elevation (10,098 feet).
The area within 2 miles of Ridgecrest is covered by shrubs (80%) and artificial surfaces (13%), within 10 miles by shrubs (84%) and bare soil (16%), and within 50 miles by shrubs (87%).
This report illustrates the typical weather in Ridgecrest year round, 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 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Ridgecrest.
For each station, the records are corrected for the elevation difference between that station and Ridgecrest 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 Ridgecrest is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Ridgecrest and a given station.
The stations contributing to this reconstruction are: Ridgecrest Community Hospital Heliport (92%, 8 kilometers, north); Edwards, Edwards Air Force Auxiliary North Base (3.3%, 73 kilometers, south); Mojave Airport (3.1%, 76 kilometers, southwest); and Bicycle Lake Army Airfield (1.6%, 101 kilometers, east).
Time zones for aiports and weather stations are provided by AskGeo.com .