Average Weather in December in Leland Michigan, United States
Daily low temperatures decrease by 7°F, from 30°F to 23°F, rarely falling below 10°F or exceeding 40°F.
For reference, on July 25, the hottest day of the year, temperatures in Leland typically range from 61°F to 76°F, while on February 3, the coldest day of the year, they range from 19°F to 29°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 Leland experiences increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 66% to 75%.
The clearest day of the month is December 1, with clear, mostly clear, or partly cloudy conditions 34% of the time.
For reference, on January 11, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 76%, while on August 3, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 67%.
Cloud Cover Categories in December
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Leland, the chance of a wet day over the course of December is essentially constant, remaining around 25% throughout.
For reference, the year's highest daily chance of a wet day is 36% on September 22, and its lowest chance is 16% on February 2.
Over the course of December in Leland, the chance of a day with only rain decreases from 18% to 9%, the chance of a day with mixed snow and rain remains an essentially constant 3% throughout, and the chance of a day with only snow increases from 5% to 13%.
Probability of Precipitation in December
The average sliding 31-day rainfall during December in Leland is decreasing, starting the month at 1.4 inches, when it rarely exceeds 2.7 inches or falls below 0.4 inches, and ending the month at 0.7 inches, when it rarely exceeds 1.6 inches.
Average Monthly Rainfall in December
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 Leland is gradually increasing, starting the month at 0.3 inches, when it rarely exceeds 0.9 inches, and ending the month at 0.6 inches, when it rarely exceeds 1.2 inches or falls below 0.1 inches.
Average Monthly Liquid-Equivalent Snowfall in December
Over the course of December in Leland, the length of the day is essentially constant. The shortest day of the month is December 21, with 8 hours, 46 minutes of daylight and the longest day is December 1, with 9 hours, 2 minutes of daylight.
Hours of Daylight and Twilight in December
The earliest sunrise of the month in Leland is 8:01 AM on December 1 and the latest sunrise is 20 minutes later at 8:21 AM on December 31.
The earliest sunset is 5:01 PM on December 10 and the latest sunset is 10 minutes later at 5:11 PM on December 31.
Daylight saving time is observed in Leland 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 5:56 AM and sets 15 hours, 37 minutes later, at 9:33 PM, while on December 21, the shortest day of the year, it rises at 8:18 AM and sets 8 hours, 46 minutes later, at 5:04 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in December
The chance that a given day will be muggy in Leland is essentially constant during December, remaining around 0% throughout.
For reference, on August 1, the muggiest day of the year, there are muggy conditions 20% of the time, while on January 1, 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 Leland is essentially constant during December, remaining within 0.3 miles per hour of 16.3 miles per hour throughout.
For reference, on January 4, the windiest day of the year, the daily average wind speed is 16.7 miles per hour, while on July 22, the calmest day of the year, the daily average wind speed is 9.7 miles per hour.
Average Wind Speed in December
Wind Direction in December
Leland is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.
The average surface water temperature in Leland is decreasing during December, falling by 5°F, from 44°F to 39°F, over the course of the month.
Average Water Temperature in December
The growing season in Leland typically lasts for 5.7 months (174 days), from around May 9 to around October 30, rarely starting before April 21 or after May 28, and rarely ending before October 14 or after November 15.
The month of December in Leland is reliably fully outside of the growing season.
Time Spent in Various Temperature Bands and the Growing Season in December
The average accumulated growing degree days in Leland are essentially constant during December, remaining within 1°F of 2,067°F throughout.
Growing Degree Days in December
The average daily incident shortwave solar energy in Leland is essentially constant during December, remaining within 0.1 kWh of 1.2 kWh throughout.
The lowest average daily incident shortwave solar energy during December is 1.1 kWh on December 24.
Average Daily Incident Shortwave Solar Energy in December
For the purposes of this report, the geographical coordinates of Leland are 45.023 deg latitude, -85.760 deg longitude, and 584 ft elevation.
The topography within 2 miles of Leland contains only modest variations in elevation, with a maximum elevation change of 289 feet and an average elevation above sea level of 597 feet. Within 10 miles contains only modest variations in elevation (492 feet). Within 50 miles contains significant variations in elevation (1,234 feet).
The area within 2 miles of Leland is covered by water (83%), within 10 miles by water (60%) and trees (22%), and within 50 miles by water (57%) and trees (29%).
This report illustrates the typical weather in Leland 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 Leland.
For each station, the records are corrected for the elevation difference between that station and Leland 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 Leland is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Leland and a given station.
The stations contributing to this reconstruction are: Cherry Capital Airport (35%, 34 kilometers, southeast); Antrim County Airport (24%, 44 kilometers, east); Charlevoix Municipal Airport (20%, 49 kilometers, northeast); Frankfort City-Benzie County Airport (17%, 56 kilometers, southwest); and Delta County Airport (4.7%, 130 kilometers, northwest).
Time zones for aiports and weather stations are provided by AskGeo.com .