Average Weather in December in Chapulhuacán Mexico
Daily high temperatures decrease by 2°F, from 77°F to 74°F, rarely falling below 64°F or exceeding 85°F.
Daily low temperatures decrease by 3°F, from 56°F to 54°F, rarely falling below 47°F or exceeding 63°F.
For reference, on May 10, the hottest day of the year, temperatures in Chapulhuacán typically range from 68°F to 91°F, while on January 7, the coldest day of the year, they range from 53°F to 74°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
Masoko, Tanzania (9,200 miles away); Ta‘izz, Yemen (8,970 miles); and Ikalamavony, Madagascar (10,229 miles) are the far-away foreign places with temperatures most similar to Chapulhuacán (view comparison).
The month of December in Chapulhuacán experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 45% throughout the month.
The clearest day of the month is December 1, with clear, mostly clear, or partly cloudy conditions 57% of the time.
For reference, on September 16, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 77%, while on March 15, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 65%.
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 Chapulhuacán, the chance of a wet day over the course of December is decreasing, starting the month at 19% and ending it at 14%.
For reference, the year's highest daily chance of a wet day is 61% on July 3, and its lowest chance is 12% on December 26.
Probability of Precipitation in December
The average sliding 31-day rainfall during December in Chapulhuacán is gradually decreasing, starting the month at 1.4 inches, when it rarely exceeds 3.0 inches or falls below 0.2 inches, and ending the month at 0.9 inches, when it rarely exceeds 2.2 inches or falls below 0.1 inches.
Average Monthly Rainfall in December
Over the course of December in Chapulhuacán, the length of the day is essentially constant. The shortest day of the month is December 22, with 10 hours, 51 minutes of daylight and the longest day is December 1, with 10 hours, 57 minutes of daylight.
Hours of Daylight and Twilight in December
The earliest sunrise of the month in Chapulhuacán is 6:56 AM on December 1 and the latest sunrise is 16 minutes later at 7:12 AM on December 31.
The earliest sunset is 5:52 PM on December 1 and the latest sunset is 12 minutes later at 6:04 PM on December 31.
Daylight saving time is observed in Chapulhuacán during 2019, 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 6:54 AM and sets 13 hours, 25 minutes later, at 8:20 PM, while on December 22, the shortest day of the year, it rises at 7:08 AM and sets 10 hours, 51 minutes later, at 5:59 PM.
Sunrise & Sunset with Twilight in December
The chance that a given day will be muggy in Chapulhuacán is essentially constant during December, remaining within 1% of 1% throughout.
For reference, on September 5, the muggiest day of the year, there are muggy conditions 71% of the time, while on January 19, 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 Chapulhuacán is essentially constant during December, remaining around 4.7 miles per hour throughout.
For reference, on April 20, the windiest day of the year, the daily average wind speed is 6.4 miles per hour, while on December 17, the calmest day of the year, the daily average wind speed is 4.6 miles per hour.
The lowest daily average wind speed during December is 4.6 miles per hour on December 17.
Average Wind Speed in December
Wind Direction in December
Temperatures in Chapulhuacán 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 Chapulhuacán are increasing during December, increasing by 407°F, from 7,268°F to 7,675°F, over the course of the month.
Growing Degree Days in December
The average daily incident shortwave solar energy in Chapulhuacán is essentially constant during December, remaining within 0.1 kWh of 4.3 kWh throughout.
The lowest average daily incident shortwave solar energy during December is 4.2 kWh on December 30.
Average Daily Incident Shortwave Solar Energy in December
For the purposes of this report, the geographical coordinates of Chapulhuacán are 21.157 deg latitude, -98.904 deg longitude, and 2,474 ft elevation.
The topography within 2 miles of Chapulhuacán contains extreme variations in elevation, with a maximum elevation change of 3,704 feet and an average elevation above sea level of 2,718 feet. Within 10 miles also contains extreme variations in elevation (5,499 feet). Within 50 miles also contains extreme variations in elevation (10,640 feet).
The area within 2 miles of Chapulhuacán is covered by cropland (56%) and trees (44%), within 10 miles by trees (57%) and cropland (42%), and within 50 miles by cropland (45%) and trees (40%).
This report illustrates the typical weather in Chapulhuacán 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 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Chapulhuacán.
For each station, the records are corrected for the elevation difference between that station and Chapulhuacán 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 Chapulhuacán is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Chapulhuacán and a given station.
The stations contributing to this reconstruction are: Tulancingo (47%, 132 kilometers, southeast) and General Francisco Javier Mina International Airport (53%, 166 kilometers, northeast).
Time zones for aiports and weather stations are provided by AskGeo.com .