Average Weather in January in Jolalpan Mexico
Daily high temperatures are around 86°F, rarely falling below 80°F or exceeding 92°F. The lowest daily average high temperature is 86°F on January 4.
Daily low temperatures are around 55°F, rarely falling below 48°F or exceeding 62°F. The lowest daily average low temperature is 55°F on January 13.
For reference, on April 15, the hottest day of the year, temperatures in Jolalpan typically range from 65°F to 95°F, while on January 13, the coldest day of the year, they range from 55°F to 86°F.
Average High and Low Temperature in January
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on January. 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 January
The month of January in Jolalpan experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 41% to 33%.
The clearest day of the month is January 31, with clear, mostly clear, or partly cloudy conditions 67% of the time.
For reference, on September 15, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 87%, while on February 24, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 71%.
Cloud Cover Categories in January
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 Jolalpan, the chance of a wet day over the course of January is essentially constant, remaining around 4% throughout.
For reference, the year's highest daily chance of a wet day is 74% on July 3, and its lowest chance is 2% on December 13.
Probability of Precipitation in January
The average sliding 31-day rainfall during January in Jolalpan is essentially constant, remaining about 0.2 inches throughout, and rarely exceeding 0.9 inches or falling below -0.0 inches.
The highest average 31-day accumulation is 0.3 inches on January 30.
Average Monthly Rainfall in January
Over the course of January in Jolalpan, the length of the day is gradually increasing. From the start to the end of the month, the length of the day increases by 17 minutes, implying an average daily increase of 34 seconds, and weekly increase of 3 minutes, 58 seconds.
The shortest day of the month is January 1, with 11 hours, 3 minutes of daylight and the longest day is January 31, with 11 hours, 20 minutes of daylight.
Hours of Daylight and Twilight in January
The earliest sunrise of the month in Jolalpan is 7:07 AM on January 1 and the latest sunrise is 2 minutes, 58 seconds later at 7:10 AM on January 18.
The earliest sunset is 6:10 PM on January 1 and the latest sunset is 18 minutes later at 6:29 PM on January 31.
Daylight saving time is observed in Jolalpan during 2021, but it neither starts nor ends during January, so the entire month is in standard time.
For reference, on June 21, the longest day of the year, the Sun rises at 7:00 AM and sets 13 hours, 14 minutes later, at 8:14 PM, while on December 21, the shortest day of the year, it rises at 7:02 AM and sets 11 hours, 2 minutes later, at 6:04 PM.
Sunrise & Sunset with Twilight in January
The figure below presents a compact representation of key lunar data for January 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 January
The chance that a given day will be muggy in Jolalpan is essentially constant during January, remaining around 0% throughout.
For reference, on June 20, the muggiest day of the year, there are muggy conditions 15% of the time, while on January 12, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in January
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Jolalpan is essentially constant during January, remaining within 0.1 miles per hour of 5.5 miles per hour throughout.
For reference, on March 13, the windiest day of the year, the daily average wind speed is 5.9 miles per hour, while on September 19, the calmest day of the year, the daily average wind speed is 4.2 miles per hour.
Average Wind Speed in January
The hourly average wind direction in Jolalpan throughout January is predominantly from the east, with a peak proportion of 60% on January 1.
Wind Direction in January
Temperatures in Jolalpan 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 January
The average accumulated growing degree days in Jolalpan are rapidly increasing during January, increasing by 601°F, from 1°F to 601°F, over the course of the month.
Growing Degree Days in January
The average daily incident shortwave solar energy in Jolalpan is gradually increasing during January, rising by 0.7 kWh, from 5.0 kWh to 5.7 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in January
For the purposes of this report, the geographical coordinates of Jolalpan are 18.328 deg latitude, -98.846 deg longitude, and 2,930 ft elevation.
The topography within 2 miles of Jolalpan contains large variations in elevation, with a maximum elevation change of 2,037 feet and an average elevation above sea level of 3,237 feet. Within 10 miles contains large variations in elevation (3,714 feet). Within 50 miles also contains extreme variations in elevation (15,276 feet).
The area within 2 miles of Jolalpan is covered by cropland (50%), shrubs (30%), and trees (21%), within 10 miles by trees (42%) and shrubs (33%), and within 50 miles by cropland (38%) and trees (34%).
This report illustrates the typical weather in Jolalpan, 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 Jolalpan.
For each station, the records are corrected for the elevation difference between that station and Jolalpan 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 Jolalpan is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Jolalpan and a given station.
The stations contributing to this reconstruction are: Hermanos Serdán International Airport (38%, 105 kilometers, northeast); Benito Juárez International Airport (35%, 126 kilometers, north); and Licenciado Adolfo López Mateos International Airport (27%, 136 kilometers, northwest).
Time zones for airports and weather stations are provided by AskGeo.com .