Average Weather in December in Tahoma California, United States
In Tahoma, the month of December is characterized by gradually falling daily high temperatures, with daily highs decreasing by 4°F, from 43°F to 40°F over the course of the month, and rarely exceeding 53°F or dropping below 29°F. The lowest daily average high temperature is 39°F on December 23.
Daily low temperatures decrease by 4°F, from 23°F to 19°F, rarely falling below 6°F or exceeding 34°F. The lowest daily average low temperature is 19°F on December 31.
For reference, on August 3, the hottest day of the year, temperatures in Tahoma typically range from 45°F to 80°F, while on December 31, the coldest day of the year, they range from 19°F to 40°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 Tahoma experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 52% throughout the month.
The clearest day of the month is December 10, with clear, mostly clear, or partly cloudy conditions 50% of the time.
For reference, on March 2, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 55%, while on July 29, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 89%.
Cloud Cover in December
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Tahoma, the chance of a wet day over the course of December is essentially constant, remaining around 30% throughout.
For reference, the year's highest daily chance of a wet day is 34% on February 23, and its lowest chance is 2% on July 19.
Over the course of December in Tahoma, the chance of a day with only rain decreases from 12% to 7%, the chance of a day with mixed snow and rain remains an essentially constant 13% throughout, and the chance of a day with only snow increases from 5% to 9%.
Probability of Precipitation in December
The average sliding 31-day rainfall during December in Tahoma is gradually decreasing, starting the month at 2.8 inches, when it rarely exceeds 6.5 inches or falls below 0.4 inches, and ending the month at 2.5 inches, when it rarely exceeds 7.0 inches or falls below 0.1 inches.
The highest average 31-day accumulation is 2.9 inches on December 6.
Average Monthly Rainfall in December
The average sliding 31-day liquid-equivalent snowfall during December in Tahoma is increasing, starting the month at 1.1 inches, when it rarely exceeds 2.7 inches or falls below 0.1 inches, and ending the month at 1.8 inches, when it rarely exceeds 4.2 inches or falls below 0.1 inches.
Average Monthly Liquid-Equivalent Snowfall in December
Over the course of December in Tahoma, the length of the day is essentially constant. The shortest day of the month is December 21, with 9 hours, 25 minutes of daylight and the longest day is December 1, with 9 hours, 37 minutes of daylight.
Hours of Daylight and Twilight in December
The earliest sunrise of the month in Tahoma is 7:00 AM on December 1 and the latest sunrise is 19 minutes later at 7:19 AM on December 31.
The earliest sunset is 4:37 PM on December 7 and the latest sunset is 10 minutes later at 4:48 PM on December 31.
Daylight saving time is observed in Tahoma during 2017, 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 5:34 AM and sets 14 hours, 55 minutes later, at 8:29 PM, while on December 21, the shortest day of the year, it rises at 7:16 AM and sets 9 hours, 25 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 Tahoma is essentially constant during December, remaining around 0% throughout.
Humidity Comfort Levels in December
The average hourly wind speed in Tahoma is essentially constant during December, remaining within 0.1 miles per hour of 3.5 miles per hour throughout.
For reference, on March 18, the windiest day of the year, the daily average wind speed is 3.7 miles per hour, while on August 6, the calmest day of the year, the daily average wind speed is 2.7 miles per hour.
The highest daily average wind speed during December is 3.6 miles per hour on December 7.
Average Wind Speed in December
Wind Direction in December
The average daily incident shortwave solar energy in Tahoma is essentially constant during December, remaining within 0.1 kWh of 2.4 kWh throughout.
The lowest average daily incident shortwave solar energy during December is 2.3 kWh on December 23.
Average Daily Incident Shortwave Solar Energy in December
For the purposes of this report, the geographical coordinates of Tahoma are 39.067 deg latitude, -120.128 deg longitude, and 6,230 ft elevation.
The topography within 2 miles of Tahoma contains significant variations in elevation, with a maximum elevation change of 614 feet and an average elevation above sea level of 6,306 feet. Within 10 miles contains significant variations in elevation (4,360 feet). Within 50 miles also contains extreme variations in elevation (10,302 feet).
The area within 2 miles of Tahoma is covered by water (51%) and trees (49%), within 10 miles by water (46%) and trees (38%), and within 50 miles by trees (46%) and shrubs (45%).
This report illustrates the typical weather in Tahoma 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 5 weather stations near enough to contribute to our estimation of the temperature and dew point in Tahoma.
For each station, the records are corrected for the elevation difference between that station and Tahoma 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 Tahoma is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Tahoma and a given station.
The stations contributing to this reconstruction are: Lake Tahoe Airport (46%, 22 kilometers, southeast); Truckee Tahoe Airport (30%, 28 kilometers, north); Carson Airport (11%, 36 kilometers, east); Blue Canyon-Nyack Airport (10%, 55 kilometers, northwest); and Placerville Airport (3.3%, 67 kilometers, southwest).
Time zones for aiports and weather stations are provided by AskGeo.com .