Average Weather in December in Yaurel Puerto Rico
Daily high temperatures are around 82°F, rarely falling below 79°F or exceeding 85°F.
Daily low temperatures are around 70°F, rarely falling below 66°F or exceeding 73°F.
For reference, on August 21, the hottest day of the year, temperatures in Yaurel typically range from 75°F to 87°F, while on January 23, the coldest day of the year, they range from 68°F to 81°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 Yaurel experiences rapidly decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 37% to 23%.
The clearest day of the month is December 31, with clear, mostly clear, or partly cloudy conditions 77% of the time.
For reference, on May 29, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 74%, while on January 11, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 80%.
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 Yaurel, the chance of a wet day over the course of December is decreasing, starting the month at 29% and ending it at 23%.
For reference, the year's highest daily chance of a wet day is 35% on November 1, and its lowest chance is 13% on March 9.
Probability of Precipitation in December
The average sliding 31-day rainfall during December in Yaurel is rapidly decreasing, starting the month at 3.0 inches, when it rarely exceeds 6.4 inches or falls below 0.9 inches, and ending the month at 1.9 inches, when it rarely exceeds 3.5 inches or falls below 0.5 inches.
Average Monthly Rainfall in December
Over the course of December in Yaurel, the length of the day is essentially constant. The shortest day of the month is December 22, with 11 hours, 3 minutes of daylight and the longest day is December 1, with 11 hours, 8 minutes of daylight.
Hours of Daylight and Twilight in December
The earliest sunrise of the month in Yaurel is 6:39 AM on December 1 and the latest sunrise is 16 minutes later at 6:55 AM on December 31.
The earliest sunset is 5:47 PM on December 1 and the latest sunset is 12 minutes later at 5:59 PM on December 31.
Daylight saving time is not observed in Yaurel during 2021.
For reference, on June 21, the longest day of the year, the Sun rises at 5:49 AM and sets 13 hours, 13 minutes later, at 7:02 PM, while on December 21, the shortest day of the year, it rises at 6:50 AM and sets 11 hours, 3 minutes later, at 5:54 PM.
Sunrise & Sunset with Twilight 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 Yaurel is decreasing during December, falling from 91% to 82% over the course of the month.
For reference, on July 17, the muggiest day of the year, there are muggy conditions 100% of the time, while on February 27, the least muggy day of the year, there are muggy conditions 62% 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 Yaurel is gradually increasing during December, increasing from 11.0 miles per hour to 11.5 miles per hour over the course of the month.
For reference, on July 14, the windiest day of the year, the daily average wind speed is 12.4 miles per hour, while on October 10, the calmest day of the year, the daily average wind speed is 9.1 miles per hour.
Average Wind Speed in December
The hourly average wind direction in Yaurel throughout December is predominantly from the east, with a peak proportion of 88% on December 31.
Wind Direction in December
Yaurel 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 Yaurel is essentially constant during December, remaining within 1°F of 81°F throughout.
Average Water Temperature in December
Temperatures in Yaurel 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
The average accumulated growing degree days in Yaurel are rapidly increasing during December, increasing by 756°F, from 9,166°F to 9,922°F, over the course of the month.
Growing Degree Days in December
The average daily incident shortwave solar energy in Yaurel is essentially constant during December, remaining within 0.1 kWh of 4.9 kWh throughout.
Average Daily Incident Shortwave Solar Energy in December
For the purposes of this report, the geographical coordinates of Yaurel are 18.027 deg latitude, -66.057 deg longitude, and 689 ft elevation.
The topography within 2 miles of Yaurel contains large variations in elevation, with a maximum elevation change of 1,998 feet and an average elevation above sea level of 895 feet. Within 10 miles also contains large variations in elevation (2,946 feet). Within 50 miles contains large variations in elevation (4,390 feet).
The area within 2 miles of Yaurel is covered by trees (86%), within 10 miles by trees (47%) and water (30%), and within 50 miles by water (75%) and trees (13%).
This report illustrates the typical weather in Yaurel, 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 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Yaurel.
For each station, the records are corrected for the elevation difference between that station and Yaurel 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 Yaurel is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Yaurel and a given station.
The stations contributing to this reconstruction are: Luis Muñoz Marín International Airport (37%, 45 kilometers, north); José Aponte de la Torre Airport (33%, 51 kilometers, northeast); and Mercedita Airport (30%, 54 kilometers, west).
All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . 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.
Time zones for airports and weather stations are provided by AskGeo.com .