December Weather in New Yekepa Liberia
Daily high temperatures increase by 3°F, from 83°F to 86°F, rarely falling below 79°F or exceeding 93°F.
Daily low temperatures decrease by 4°F, from 66°F to 62°F, rarely falling below 56°F or exceeding 69°F.
For reference, on February 12, the hottest day of the year, temperatures in New Yekepa typically range from 67°F to 91°F, while on January 1, the coldest day of the year, they range from 62°F to 86°F.
Average High and Low Temperature in December in New Yekepa
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 in New Yekepa
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The month of December in New Yekepa experiences decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 45% to 35%. The lowest chance of overcast or mostly cloudy conditions is 35% on December 31.
The clearest day of the month is December 31, with clear, mostly clear, or partly cloudy conditions 65% of the time.
For reference, on April 26, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 78%, while on December 31, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 65%.
Cloud Cover Categories in December in New Yekepa
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 New Yekepa, the chance of a wet day over the course of December is very rapidly decreasing, starting the month at 15% and ending it at 4%.
For reference, the year's highest daily chance of a wet day is 81% on August 27, and its lowest chance is 4% on December 30.
Probability of Precipitation in December in New Yekepa
To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.
The average sliding 31-day rainfall during December in New Yekepa is decreasing, starting the month at 1.2 inches, when it rarely exceeds 3.6 inches, and ending the month at 0.4 inches, when it rarely exceeds 1.3 inches or falls below -0.0 inches.
Average Monthly Rainfall in December in New Yekepa
Over the course of December in New Yekepa, the length of the day is essentially constant. The shortest day of the month is December 21, with 11 hours, 41 minutes of daylight and the longest day is December 1, with 11 hours, 43 minutes of daylight.
Hours of Daylight and Twilight in December in New Yekepa
The earliest sunrise of the month in New Yekepa is 6:31 AM on December 1 and the latest sunrise is 15 minutes later at 6:46 AM on December 31.
The earliest sunset is 6:14 PM on December 1 and the latest sunset is 13 minutes later at 6:28 PM on December 31.
Daylight saving time is not observed in New Yekepa during 2021.
For reference, on June 21, the longest day of the year, the Sun rises at 6:19 AM and sets 12 hours, 34 minutes later, at 6:52 PM, while on December 21, the shortest day of the year, it rises at 6:41 AM and sets 11 hours, 41 minutes later, at 6:22 PM.
Sunrise & Sunset with Twilight in December in New Yekepa
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 in New Yekepa
We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.
The chance that a given day will be muggy in New Yekepa is very rapidly decreasing during December, falling from 67% to 20% over the course of the month.
For reference, on September 11, the muggiest day of the year, there are muggy conditions 100% of the time, while on January 2, the least muggy day of the year, there are muggy conditions 19% of the time.
Humidity Comfort Levels in December in New Yekepa
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.
The average hourly wind speed in New Yekepa is gradually increasing during December, increasing from 2.8 miles per hour to 3.5 miles per hour over the course of the month.
For reference, on August 7, the windiest day of the year, the daily average wind speed is 4.0 miles per hour, while on October 25, the calmest day of the year, the daily average wind speed is 2.5 miles per hour.
Average Wind Speed in December in New Yekepa
The hourly average wind direction in New Yekepa throughout December is predominantly from the east, with a peak proportion of 40% on December 5.
Wind Direction in December in New Yekepa
Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).
Temperatures in New Yekepa are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.
Time Spent in Various Temperature Bands and the Growing Season in December in New Yekepa
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.
The average accumulated growing degree days in New Yekepa are rapidly increasing during December, increasing by 677°F, from 8,201°F to 8,878°F, over the course of the month.
Growing Degree Days in December in New Yekepa
This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.
The average daily incident shortwave solar energy in New Yekepa is essentially constant during December, remaining within 0.1 kWh of 5.3 kWh throughout.
The lowest average daily incident shortwave solar energy during December is 5.1 kWh on December 1.
Average Daily Incident Shortwave Solar Energy in December in New Yekepa
For the purposes of this report, the geographical coordinates of New Yekepa are 7.579 deg latitude, -8.538 deg longitude, and 1,673 ft elevation.
The topography within 2 miles of New Yekepa contains very significant variations in elevation, with a maximum elevation change of 1,260 feet and an average elevation above sea level of 1,806 feet. Within 10 miles contains very significant variations in elevation (4,547 feet). Within 50 miles also contains extreme variations in elevation (5,023 feet).
The area within 2 miles of New Yekepa is covered by trees (39%), cropland (23%), shrubs (20%), and grassland (18%), within 10 miles by trees (53%) and grassland (17%), and within 50 miles by trees (38%) and cropland (30%).
This report illustrates the typical weather in New Yekepa, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
New Yekepa is further than 200 kilometers from the nearest reliable weather station, so the weather-related data on this page were taken entirely from NASA's MERRA-2 satellite-era reanalysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.
The temperature and dew point estimates are corrected for the difference between the reference elevation of the MERRA-2 grid cell and the elevation of New Yekepa, according to the International Standard Atmosphere .
All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus.
Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.
Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.
Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .
Time zones for airports and weather stations are provided by AskGeo.com .
Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.
The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.
We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.
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