Average Weather in December in Edmundston Canada
Daily high temperatures decrease by 10°F, from 30°F to 21°F, rarely falling below 5°F or exceeding 43°F.
Daily low temperatures decrease by 13°F, from 17°F to 4°F, rarely falling below -14°F or exceeding 31°F.
For reference, on July 27, the hottest day of the year, temperatures in Edmundston typically range from 54°F to 75°F, while on January 29, the coldest day of the year, they range from -2°F to 19°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 Edmundston experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 64% to 71%.
The clearest day of the month is December 1, with clear, mostly clear, or partly cloudy conditions 36% of the time.
For reference, on January 11, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 74%, while on August 21, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 59%.
Cloud Cover Categories in December
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 Edmundston, the chance of a wet day over the course of December is essentially constant, remaining around 27% throughout.
For reference, the year's highest daily chance of a wet day is 46% on July 12, and its lowest chance is 19% on February 3.
Over the course of December in Edmundston, the chance of a day with only rain decreases from 8% to 3%, the chance of a day with mixed snow and rain decreases from 8% to 5%, and the chance of a day with only snow increases from 11% to 19%.
Probability of Precipitation in December
The average sliding 31-day rainfall during December in Edmundston is decreasing, starting the month at 1.5 inches, when it rarely exceeds 3.0 inches or falls below 0.4 inches, and ending the month at 0.6 inches, when it rarely exceeds 1.4 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 Edmundston is essentially constant, remaining about 1.3 inches throughout, and rarely exceeding 2.5 inches or falling below 0.4 inches.
The highest average 31-day liquid-equivalent accumulation is 1.4 inches on December 25.
Average Monthly Liquid-Equivalent Snowfall in December
Over the course of December in Edmundston, the length of the day is essentially constant. The shortest day of the month is December 21, with 8 hours, 27 minutes of daylight and the longest day is December 1, with 8 hours, 45 minutes of daylight.
Hours of Daylight and Twilight in December
The earliest sunrise of the month in Edmundston is 7:59 AM on December 1 and the latest sunrise is 21 minutes later at 8:20 AM on December 31.
The earliest sunset is 4:42 PM on December 11 and the latest sunset is 10 minutes later at 4:52 PM on December 31.
Daylight saving time is observed in Edmundston 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 5:36 AM and sets 15 hours, 57 minutes later, at 9:33 PM, while on December 21, the shortest day of the year, it rises at 8:17 AM and sets 8 hours, 27 minutes later, at 4:45 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in December
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
The chance that a given day will be muggy in Edmundston is essentially constant during December, remaining around 0% throughout.
For reference, on July 25, the muggiest day of the year, there are muggy conditions 7% of the time, while on October 30, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in December
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Edmundston is gradually increasing during December, increasing from 6.1 miles per hour to 6.8 miles per hour over the course of the month.
For reference, on February 26, the windiest day of the year, the daily average wind speed is 7.6 miles per hour, while on August 1, the calmest day of the year, the daily average wind speed is 4.3 miles per hour.
Average Wind Speed in December
The hourly average wind direction in Edmundston throughout December is predominantly from the west, with a peak proportion of 47% on December 31.
Wind Direction in December
The growing season in Edmundston typically lasts for 3.8 months (115 days), from around May 23 to around September 16, rarely starting before May 5 or after June 12, and rarely ending before August 30 or after October 3.
The month of December in Edmundston 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 Edmundston are essentially constant during December, remaining around 1,515°F throughout.
Growing Degree Days in December
The average daily incident shortwave solar energy in Edmundston is essentially constant during December, remaining within 0.1 kWh of 1.1 kWh throughout.
The lowest average daily incident shortwave solar energy during December is 1.1 kWh on December 17.
Average Daily Incident Shortwave Solar Energy in December
For the purposes of this report, the geographical coordinates of Edmundston are 47.374 deg latitude, -68.325 deg longitude, and 502 ft elevation.
The topography within 2 miles of Edmundston contains significant variations in elevation, with a maximum elevation change of 741 feet and an average elevation above sea level of 631 feet. Within 10 miles contains significant variations in elevation (1,155 feet). Within 50 miles contains very significant variations in elevation (2,031 feet).
The area within 2 miles of Edmundston is covered by trees (55%) and artificial surfaces (26%), within 10 miles by trees (79%) and cropland (14%), and within 50 miles by trees (88%).
This report illustrates the typical weather in Edmundston, 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 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Edmundston.
For each station, the records are corrected for the elevation difference between that station and Edmundston 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 Edmundston is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Edmundston and a given station.
Time zones for airports and weather stations are provided by AskGeo.com .