Average Weather in December in Dierks Arkansas, United States
Daily high temperatures decrease by 6°F, from 59°F to 53°F, rarely falling below 38°F or exceeding 72°F.
Daily low temperatures decrease by 6°F, from 40°F to 34°F, rarely falling below 21°F or exceeding 55°F.
For reference, on July 30, the hottest day of the year, temperatures in Dierks typically range from 72°F to 93°F, while on January 7, the coldest day of the year, they range from 34°F to 53°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 Dierks experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 47% throughout the month.
The clearest day of the month is December 4, with clear, mostly clear, or partly cloudy conditions 55% of the time.
For reference, on January 3, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 49%, while on October 5, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 71%.
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 Dierks, the chance of a wet day over the course of December is decreasing, starting the month at 28% and ending it at 23%.
For reference, the year's highest daily chance of a wet day is 41% on May 15, and its lowest chance is 22% on January 13.
Over the course of December in Dierks, the chance of a day with only rain decreases from 27% to 20%, 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 1% throughout.
Probability of Precipitation in December
The average sliding 31-day rainfall during December in Dierks is rapidly decreasing, starting the month at 4.8 inches, when it rarely exceeds 9.3 inches or falls below 1.3 inches, and ending the month at 3.5 inches, when it rarely exceeds 6.9 inches or falls below 1.1 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 Dierks is essentially constant, remaining about 0.1 inches throughout, and rarely exceeding 0.4 inches or falling below -0.0 inches.
Average Monthly Liquid-Equivalent Snowfall in December
Over the course of December in Dierks, the length of the day is essentially constant. The shortest day of the month is December 21, with 9 hours, 53 minutes of daylight and the longest day is December 1, with 10 hours, 3 minutes of daylight.
Hours of Daylight and Twilight in December
The earliest sunrise of the month in Dierks is 7:03 AM on December 1 and the latest sunrise is 18 minutes later at 7:21 AM on December 31.
The earliest sunset is 5:06 PM on December 4 and the latest sunset is 10 minutes later at 5:16 PM on December 31.
Daylight saving time is observed in Dierks 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 6:04 AM and sets 14 hours, 26 minutes later, at 8:30 PM, while on December 21, the shortest day of the year, it rises at 7:17 AM and sets 9 hours, 53 minutes later, at 5:10 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in December
The chance that a given day will be muggy in Dierks is essentially constant during December, remaining within 1% of 1% throughout.
For reference, on July 22, the muggiest day of the year, there are muggy conditions 92% of the time, while on January 20, 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 Dierks is essentially constant during December, remaining around 4.7 miles per hour throughout.
For reference, on March 31, the windiest day of the year, the daily average wind speed is 5.4 miles per hour, while on August 3, the calmest day of the year, the daily average wind speed is 3.4 miles per hour.
Average Wind Speed in December
Wind Direction in December
The growing season in Dierks typically lasts for 7.5 months (229 days), from around March 24 to around November 7, rarely starting before March 1 or after April 16, and rarely ending before October 18 or after December 1.
The month of December in Dierks is very likely fully outside of the growing season, with the chance that a given day is in the growing season gradually decreasing from 10% 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 Dierks are gradually increasing during December, increasing by 86°F, from 5,386°F to 5,472°F, over the course of the month.
Growing Degree Days in December
The average daily incident shortwave solar energy in Dierks is essentially constant during December, remaining within 0.1 kWh of 2.6 kWh throughout.
The lowest average daily incident shortwave solar energy during December is 2.5 kWh on December 24.
Average Daily Incident Shortwave Solar Energy in December
For the purposes of this report, the geographical coordinates of Dierks are 34.119 deg latitude, -94.017 deg longitude, and 482 ft elevation.
The topography within 2 miles of Dierks contains only modest variations in elevation, with a maximum elevation change of 315 feet and an average elevation above sea level of 466 feet. Within 10 miles contains only modest variations in elevation (587 feet). Within 50 miles contains significant variations in elevation (2,503 feet).
The area within 2 miles of Dierks is covered by trees (64%) and cropland (30%), within 10 miles by trees (84%) and cropland (14%), and within 50 miles by trees (68%) and cropland (25%).
This report illustrates the typical weather in Dierks 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 Dierks.
For each station, the records are corrected for the elevation difference between that station and Dierks 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 Dierks is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Dierks and a given station.
The stations contributing to this reconstruction are: J Lynn Helms Airport (38%, 36 kilometers, west); Mena Intermountain Municipal Airport (21%, 50 kilometers, north); Mount Ida (17%, 62 kilometers, northeast); Texarkana Regional Airport (13%, 74 kilometers, south); and Arkadelphia, Dexter B Florence Memorial Field Airport (10%, 88 kilometers, east).
Time zones for aiports and weather stations are provided by AskGeo.com .