Average Weather in San Juan Tepecoculco Mexico
In San Juan Tepecoculco, the wet season is overcast, the dry season is partly cloudy, and it is comfortable year round. Over the course of the year, the temperature typically varies from 43°F to 79°F and is rarely below 37°F or above 85°F.
Based on the tourism score, the best time of year to visit San Juan Tepecoculco for warm-weather activities is from late March to late May.
The warm season lasts for 2.3 months, from March 25 to June 3, with an average daily high temperature above 77°F. The hottest day of the year is May 3, with an average high of 79°F and low of 53°F.
The cool season lasts for 2.1 months, from November 30 to February 4, with an average daily high temperature below 71°F. The coldest day of the year is January 13, with an average low of 43°F and high of 70°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 Juan Tepecoculco, 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 Juan Tepecoculco 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 68% of the time, and overcast or mostly cloudy 32% 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 Juan Tepecoculco varies very significantly throughout the year.
The wetter season lasts 4.6 months, from May 24 to October 11, with a greater than 39% chance of a given day being a wet day. The chance of a wet day peaks at 75% on June 27.
The drier season lasts 7.4 months, from October 11 to May 24. 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 75% on June 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 Juan Tepecoculco experiences extreme seasonal variation in monthly rainfall.
The rainy period of the year lasts for 7.0 months, from April 14 to November 14, 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 5.9 inches.
The rainless period of the year lasts for 5.0 months, from November 14 to April 14. 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 Juan Tepecoculco varies over the course of the year. In 2021, the shortest day is December 21, with 10 hours, 59 minutes of daylight; the longest day is June 20, with 13 hours, 17 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, 8 minutes later at 7:34 AM on October 30. The earliest sunset is at 5:55 PM on November 24, and the latest sunset is 2 hours, 21 minutes later at 8:16 PM on July 4.
Daylight saving time (DST) is observed in San Juan Tepecoculco 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 Juan Tepecoculco, 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 Juan Tepecoculco experiences mild seasonal variation over the course of the year.
The windier part of the year lasts for 4.1 months, from December 25 to April 27, with average wind speeds of more than 5.7 miles per hour. The windiest day of the year is March 13, with an average hourly wind speed of 6.5 miles per hour.
The calmer time of year lasts for 7.9 months, from April 27 to December 25. The calmest day of the year is June 2, with an average hourly wind speed of 4.9 miles per hour.
Average Wind Speed
The predominant average hourly wind direction in San Juan Tepecoculco varies throughout the year.
The wind is most often from the east for 3.1 months, from June 27 to September 30, with a peak percentage of 48% on July 22. The wind is most often from the north for 2.8 months, from September 30 to December 24, with a peak percentage of 40% on November 3. The wind is most often from the south for 6.1 months, from December 24 to June 27, with a peak percentage of 34% on January 1.
Best Time of Year to Visit
To characterize how pleasant the weather is in San Juan Tepecoculco 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 Juan Tepecoculco for general outdoor tourist activities is from late March to late May, with a peak score in the last week of April.
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 Juan Tepecoculco for hot-weather activities is from late March to mid May, with a peak score in the third week of April.
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.
While it does not do so every year, freezing temperatures are seen in San Juan Tepecoculco over some winters. The day least likely to be in the growing season is January 1, with a 80% chance.
Time Spent in Various Temperature Bands and the Growing Season
Based on growing degree days alone, the first spring blooms in San Juan Tepecoculco should appear around January 13, only rarely appearing before January 11 or after January 16.
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 2.5 months, from March 6 to May 21, with an average daily incident shortwave energy per square meter above 6.8 kWh. The brightest day of the year is April 18, with an average of 7.3 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 5.5 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 Juan Tepecoculco are 18.983 deg latitude, -98.787 deg longitude, and 7,192 ft elevation.
The topography within 2 miles of San Juan Tepecoculco contains very significant variations in elevation, with a maximum elevation change of 1,480 feet and an average elevation above sea level of 7,362 feet. Within 10 miles contains very significant variations in elevation (10,430 feet). Within 50 miles also contains extreme variations in elevation (15,443 feet).
The area within 2 miles of San Juan Tepecoculco is covered by cropland (38%), trees (34%), and shrubs (28%), within 10 miles by cropland (62%) and trees (27%), and within 50 miles by cropland (43%) and trees (30%).
This report illustrates the typical weather in San Juan Tepecoculco, 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 San Juan Tepecoculco.
For each station, the records are corrected for the elevation difference between that station and San Juan Tepecoculco 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 Juan Tepecoculco is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between San Juan Tepecoculco and a given station.
Time zones for airports and weather stations are provided by AskGeo.com .