Average Weather in San Pedro Apatlaco Mexico
In San Pedro Apatlaco, the wet season is warm and overcast and the dry season is hot and partly cloudy. Over the course of the year, the temperature typically varies from 52°F to 90°F and is rarely below 47°F or above 96°F.
Based on the tourism score, the best time of year to visit San Pedro Apatlaco for warm-weather activities is from late January to mid May.
The hot season lasts for 2.1 months, from March 22 to May 26, with an average daily high temperature above 88°F. The hottest day of the year is April 18, with an average high of 90°F and low of 63°F.
The cool season lasts for 2.4 months, from November 20 to February 3, with an average daily high temperature below 83°F. The coldest day of the year is January 12, with an average low of 52°F and high of 81°F.
Average High and Low Temperature
The figure below shows you a compact characterization of the entire year of hourly average temperatures. The horizontal axis is the day of the year, 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 San Pedro Apatlaco, the average percentage of the sky covered by clouds experiences extreme seasonal variation over the course of the year.
The clearer part of the year in San Pedro Apatlaco begins around October 31 and lasts for 6.7 months, ending around May 21. On February 24, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 70% of the time, and overcast or mostly cloudy 30% of the time.
The cloudier part of the year begins around May 21 and lasts for 5.3 months, ending around October 31. On September 14, the cloudiest day of the year, the sky is overcast or mostly cloudy 88% of the time, and clear, mostly clear, or partly cloudy 12% of the time.
Cloud Cover Categories
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. The chance of wet days in San Pedro Apatlaco varies very significantly throughout the year.
The wetter season lasts 4.5 months, from May 26 to October 10, with a greater than 39% chance of a given day being a wet day. The chance of a wet day peaks at 77% on August 27.
The drier season lasts 7.5 months, from October 10 to May 26. The smallest chance of a wet day is 2% on December 8.
Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 77% on August 27.
Daily Chance of Precipitation
To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. San Pedro Apatlaco experiences extreme seasonal variation in monthly rainfall.
The rainy period of the year lasts for 6.7 months, from April 22 to November 12, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around June 30, with an average total accumulation of 6.1 inches.
The rainless period of the year lasts for 5.3 months, from November 12 to April 22. The least rain falls around December 12, with an average total accumulation of 0.1 inches.
Average Monthly Rainfall
The length of the day in San Pedro Apatlaco varies over the course of the year. In 2021, the shortest day is December 21, with 11 hours, 0 minutes of daylight; the longest day is June 20, with 13 hours, 16 minutes of daylight.
Hours of Daylight and Twilight
The earliest sunrise is at 6:27 AM on April 3, and the latest sunrise is 1 hour, 7 minutes later at 7:35 AM on October 30. The earliest sunset is at 5:56 PM on November 24, and the latest sunset is 2 hours, 20 minutes later at 8:17 PM on July 5.
Daylight saving time (DST) is observed in San Pedro Apatlaco during 2021, starting in the spring on April 4, lasting 6.8 months, and ending in the fall on October 31.
Sunrise & Sunset with Twilight and Daylight Saving Time
The figure below presents a compact representation of key lunar data for 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.
Moon Rise, Set & Phases
The perceived humidity level in San Pedro Apatlaco, as measured by the percentage of time in which the humidity comfort level is muggy, oppressive, or miserable, does not vary significantly over the course of the year, remaining a virtually constant 0% throughout.
Humidity Comfort Levels
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in San Pedro Apatlaco experiences mild seasonal variation over the course of the year.
The windier part of the year lasts for 4.1 months, from December 24 to April 28, with average wind speeds of more than 5.2 miles per hour. The windiest day of the year is March 13, with an average hourly wind speed of 5.9 miles per hour.
The calmer time of year lasts for 7.9 months, from April 28 to December 24. The calmest day of the year is September 12, with an average hourly wind speed of 4.5 miles per hour.
Average Wind Speed
The predominant average hourly wind direction in San Pedro Apatlaco varies throughout the year.
The wind is most often from the south for 4.6 months, from February 7 to June 25, with a peak percentage of 54% on June 1. The wind is most often from the east for 7.4 months, from June 25 to February 7, with a peak percentage of 33% on January 1.
Best Time of Year to Visit
To characterize how pleasant the weather is in San Pedro Apatlaco throughout the year, we compute two travel scores.
The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Based on this score, the best time of year to visit San Pedro Apatlaco for general outdoor tourist activities is from late January to mid May, with a peak score in the third week of March.
The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. Based on this score, the best time of year to visit San Pedro Apatlaco for hot-weather activities is from late March to late May, with a peak score in the first week of May.
For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed.
Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies.
Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more.
Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter.
Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter.
Temperatures in San Pedro Apatlaco 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
Growing Degree Days
The average daily incident shortwave solar energy experiences some seasonal variation over the course of the year.
The brighter period of the year lasts for 2.4 months, from March 6 to May 20, with an average daily incident shortwave energy per square meter above 6.8 kWh. The brightest day of the year is April 17, with an average of 7.2 kWh.
The darker period of the year lasts for 2.4 months, from November 10 to January 24, with an average daily incident shortwave energy per square meter below 5.4 kWh. The darkest day of the year is December 22, with an average of 5.0 kWh.
Average Daily Incident Shortwave Solar Energy
For the purposes of this report, the geographical coordinates of San Pedro Apatlaco are 18.793 deg latitude, -98.960 deg longitude, and 4,236 ft elevation.
The topography within 2 miles of San Pedro Apatlaco contains only modest variations in elevation, with a maximum elevation change of 469 feet and an average elevation above sea level of 4,194 feet. Within 10 miles contains only modest variations in elevation (2,510 feet). Within 50 miles contains large variations in elevation (15,696 feet).
The area within 2 miles of San Pedro Apatlaco is covered by cropland (77%) and artificial surfaces (23%), within 10 miles by cropland (77%) and trees (16%), and within 50 miles by cropland (39%) and trees (36%).
This report illustrates the typical weather in San Pedro Apatlaco, 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 San Pedro Apatlaco.
For each station, the records are corrected for the elevation difference between that station and San Pedro Apatlaco 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 San Pedro Apatlaco is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between San Pedro Apatlaco and a given station.
The stations contributing to this reconstruction are: Benito Juárez International Airport (38%, 73 kilometers, north); Hermanos Serdán International Airport (37%, 74 kilometers, northeast); and Licenciado Adolfo López Mateos International Airport (25%, 88 kilometers, northwest).
Time zones for airports and weather stations are provided by AskGeo.com .