Average Weather in August in San Juan Epatlán Mexico
Daily high temperatures are around 83°F, rarely falling below 78°F or exceeding 88°F.
Daily low temperatures are around 61°F, rarely falling below 57°F or exceeding 65°F.
For reference, on April 27, the hottest day of the year, temperatures in San Juan Epatlán typically range from 61°F to 89°F, while on January 12, the coldest day of the year, they range from 51°F to 79°F.
Average High and Low Temperature in August
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on August. 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 August
Santa Rita do Passa Quatro, Brazil (4,433 miles away); Brasília, Brazil (4,179 miles); and Chimala, Tanzania (9,191 miles) are the far-away foreign places with temperatures most similar to San Juan Epatlán (view comparison).
The month of August in San Juan Epatlán experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 77% to 85%. The lowest chance of overcast or mostly cloudy conditions is 77% on August 1.
The clearest day of the month is August 1, with clear, mostly clear, or partly cloudy conditions 23% 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 25, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 71%.
Cloud Cover Categories in August
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 San Juan Epatlán, the chance of a wet day over the course of August is rapidly increasing, starting the month at 64% and ending it at 71%.
For reference, the year's highest daily chance of a wet day is 72% on August 27, and its lowest chance is 2% on December 14.
Probability of Precipitation in August
The average sliding 31-day rainfall during August in San Juan Epatlán is rapidly increasing, starting the month at 4.9 inches, when it rarely exceeds 7.6 inches or falls below 2.3 inches, and ending the month at 6.1 inches, when it rarely exceeds 9.4 inches or falls below 3.4 inches.
Average Monthly Rainfall in August
Over the course of August in San Juan Epatlán, the length of the day is gradually decreasing. From the start to the end of the month, the length of the day decreases by 28 minutes, implying an average daily decrease of 55 seconds, and weekly decrease of 6 minutes, 25 seconds.
The shortest day of the month is August 31, with 12 hours, 30 minutes of daylight and the longest day is August 1, with 12 hours, 57 minutes of daylight.
Hours of Daylight and Twilight in August
The earliest sunrise of the month in San Juan Epatlán is 7:11 AM on August 1 and the latest sunrise is 8 minutes later at 7:18 AM on August 31.
The latest sunset is 8:08 PM on August 1 and the earliest sunset is 20 minutes earlier at 7:48 PM on August 31.
Daylight saving time is observed in San Juan Epatlán during 2021, but it neither starts nor ends during August, so the entire month is in daylight saving time.
For reference, on June 21, the longest day of the year, the Sun rises at 6:57 AM and sets 13 hours, 15 minutes later, at 8:12 PM, while on December 21, the shortest day of the year, it rises at 7:01 AM and sets 11 hours, 1 minute later, at 6:02 PM.
Sunrise & Sunset with Twilight in August
The figure below presents a compact representation of key lunar data for August 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 August
The chance that a given day will be muggy in San Juan Epatlán is essentially constant during August, remaining around 1% throughout.
For reference, on June 16, the muggiest day of the year, there are muggy conditions 2% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in August
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in San Juan Epatlán is gradually decreasing during August, decreasing from 6.2 miles per hour to 5.6 miles per hour over the course of the month.
For reference, on February 24, the windiest day of the year, the daily average wind speed is 6.8 miles per hour, while on June 1, the calmest day of the year, the daily average wind speed is 5.0 miles per hour.
Average Wind Speed in August
The hourly average wind direction in San Juan Epatlán throughout August is predominantly from the east, with a peak proportion of 74% on August 1.
Wind Direction in August
Temperatures in San Juan Epatlán 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 August
The average accumulated growing degree days in San Juan Epatlán are rapidly increasing during August, increasing by 637°F, from 4,381°F to 5,018°F, over the course of the month.
Growing Degree Days in August
The average daily incident shortwave solar energy in San Juan Epatlán is gradually decreasing during August, falling by 0.6 kWh, from 6.7 kWh to 6.2 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in August
For the purposes of this report, the geographical coordinates of San Juan Epatlán are 18.643 deg latitude, -98.372 deg longitude, and 4,439 ft elevation.
The topography within 2 miles of San Juan Epatlán contains very significant variations in elevation, with a maximum elevation change of 1,056 feet and an average elevation above sea level of 4,556 feet. Within 10 miles contains very significant variations in elevation (3,199 feet). Within 50 miles contains large variations in elevation (15,574 feet).
The area within 2 miles of San Juan Epatlán is covered by cropland (56%), trees (31%), and shrubs (11%), within 10 miles by cropland (41%) and trees (37%), and within 50 miles by cropland (37%) and trees (30%).
This report illustrates the typical weather in San Juan Epatlán, 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 is only a single weather station, Hermanos Serdán International Airport, in our network suitable to be used as a proxy for the historical temperature and dew point records of San Juan Epatlán.
At a distance of 57 kilometers from San Juan Epatlán, closer than our threshold of 150 kilometers, this station is deemed sufficiently nearby to be relied upon as our primary source for temperature and dew point records.
The station records are corrected for the elevation difference between the station and San Juan Epatlán according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
Please note that the station records themselves may additionally have been back-filled using other nearby stations or the MERRA-2 reanalysis.
Time zones for airports and weather stations are provided by AskGeo.com .