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Fall Weather in Juchitlán Mexico

Daily high temperatures are around 78°F, rarely falling below 73°F or exceeding 83°F.

Daily low temperatures decrease by 15°F, from 62°F to 48°F, rarely falling below 42°F or exceeding 65°F.

For reference, on May 19, the hottest day of the year, temperatures in Juchitlán typically range from 58°F to 87°F, while on January 16, the coldest day of the year, they range from 45°F to 75°F.

Average High and Low Temperature in the Fall in Juchitlán

Average High and Low Temperature in the Fall in JuchitlánSepOctNov40°F40°F45°F45°F50°F50°F55°F55°F60°F60°F65°F65°F70°F70°F75°F75°F80°F80°F85°F85°FSummerWinterSep 180°FSep 180°F62°F62°FNov 3076°FNov 3076°F48°F48°FOct 180°FOct 180°F61°F61°FNov 179°FNov 179°F54°F54°F
The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.

The figure below shows you a compact characterization of the hourly average fall temperatures. 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 the Fall in Juchitlán

Average Hourly Temperature in the Fall in JuchitlánSepOctNov12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMSummerWintercoldcoolcoolcomfortablecomfortablewarm
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Harare, Zimbabwe (9,521 miles away) and Ankazobe, Madagascar (10,569 miles) are the far-away foreign places with temperatures most similar to Juchitlán (view comparison).

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The fall in Juchitlán experiences very rapidly decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 93% to 46%. The highest chance of overcast or mostly cloudy conditions is 93% on September 2. The lowest chance of overcast or mostly cloudy conditions is 45% on November 22.

The clearest day of the fall is November 22, with clear, mostly clear, or partly cloudy conditions 55% of the time.

For reference, on September 2, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 93%, while on May 16, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 63%.

Cloud Cover Categories in the Fall in Juchitlán

Cloud Cover Categories in the Fall in JuchitlánSepOctNov0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%SummerWinterMay 1663%May 1663%Sep 27%Sep 27%Nov 3054%Nov 3054%Oct 113%Oct 113%Nov 144%Nov 144%clearmostly clearpartly cloudymostly cloudyovercast
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Juchitlán, the chance of a wet day over the course of the fall is very rapidly decreasing, starting the season at 72% and ending it at 4%.

For reference, the year's highest daily chance of a wet day is 76% on July 8, and its lowest chance is 1% on April 8.

Probability of Precipitation in the Fall in Juchitlán

Probability of Precipitation in the Fall in JuchitlánSepOctNov0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%SummerWinterSep 172%Sep 172%Nov 304%Nov 304%Oct 149%Oct 149%Nov 113%Nov 113%rain
The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).

Rainfall

To show variation within the season and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during the fall in Juchitlán is very rapidly decreasing, starting the season at 7.3 inches, when it rarely exceeds 11.2 inches or falls below 3.9 inches, and ending the season at 0.4 inches, when it rarely exceeds 1.3 inches or falls below -0.0 inches.

The highest average 31-day accumulation is 7.3 inches on September 1.

Average Monthly Rainfall in the Fall in Juchitlán

Average Monthly Rainfall in the Fall in JuchitlánSepOctNov0 in0 in2 in2 in4 in4 in6 in6 in8 in8 in10 in10 in12 in12 inSummerWinterSep 17.3 inSep 17.3 inNov 300.4 inNov 300.4 inOct 14.4 inOct 14.4 inNov 11.2 inNov 11.2 in
The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average snowfall.

Over the course of the fall in Juchitlán, the length of the day is rapidly decreasing. From the start to the end of the season, the length of the day decreases by 1 hour, 30 minutes, implying an average daily decrease of 1 minute, 0 seconds, and weekly decrease of 6 minutes, 58 seconds.

The shortest day of the fall is November 30, with 11 hours, 1 minute of daylight and the longest day is September 1, with 12 hours, 30 minutes of daylight.

Hours of Daylight and Twilight in the Fall in Juchitlán

Hours of Daylight and Twilight in the Fall in JuchitlánSepOctNov0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrSummerWinterSep 2212 hr, 8 minSep 2212 hr, 8 minnightnightdaydayNov 3011 hr, 1 minNov 3011 hr, 1 minNov 111 hr, 23 minNov 111 hr, 23 min
The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.

The earliest sunrise of the fall in Juchitlán is 6:40 AM on September 1 and the latest sunrise is 34 minutes later at 7:14 AM on November 30.

The latest sunset is 7:11 PM on September 1 and the earliest sunset is 56 minutes earlier at 6:15 PM on November 24.

Daylight saving time is not observed in Juchitlán during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 6:17 AM and sets 13 hours, 21 minutes later, at 7:38 PM, while on December 21, the shortest day of the year, it rises at 7:27 AM and sets 10 hours, 55 minutes later, at 6:22 PM.

Sunrise & Sunset with Twilight in the Fall in Juchitlán

Sunrise & Sunset with Twilight in the Fall in JuchitlánSepOctNov2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMSummerWinter6:40 AM6:40 AMSep 17:11 PMSep 17:11 PM7:11 AM7:11 AMNov 246:15 PMNov 246:15 PM6:47 AM6:47 AMOct 16:43 PMOct 16:43 PM6:58 AM6:58 AMNov 16:21 PMNov 16:21 PMSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day in the fall. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

Solar Elevation and Azimuth in the Fall in Juchitlán

Solar Elevation and Azimuth in the Fall in JuchitlánSepOctNov12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMSummerWinter0010202030304050600010102030304040506070
northeastsouthwest
Solar elevation and azimuth in the the fall of 2024. The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). The background color fills indicate the azimuth (the compass bearing) of the sun. The lightly tinted areas at the boundaries of the cardinal compass points indicate the implied intermediate directions (northeast, southeast, southwest, and northwest).

The figure below presents a compact representation of key lunar data for the fall of 2024. 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 the Fall in Juchitlán

Moon Rise, Set & Phases in the Fall in JuchitlánSepOctNov12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMSummerWinterAug 45:14 AMAug 45:14 AMAug 1912:26 PMAug 1912:26 PMSep 27:56 PMSep 27:56 PMSep 178:35 PMSep 178:35 PMOct 212:50 PMOct 212:50 PMOct 175:27 AMOct 175:27 AMNov 16:48 AMNov 16:48 AMNov 153:29 PMNov 153:29 PMDec 112:22 AMDec 112:22 AMDec 153:02 AMDec 153:02 AMDec 304:28 PMDec 304:28 PM8:03 PM8:03 PM6:55 PM6:55 PM6:25 AM6:25 AM7:12 PM7:12 PM6:53 PM6:53 PM7:15 AM7:15 AM6:39 AM6:39 AM6:46 PM6:46 PM6:03 PM6:03 PM6:59 AM6:59 AM7:02 AM7:02 AM6:27 PM6:27 PM6:07 PM6:07 PM7:56 AM7:56 AM6:44 AM6:44 AM5:48 PM5:48 PM5:42 PM5:42 PM7:48 AM7:48 AM6:20 PM6:20 PM
The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy in Juchitlán is very rapidly decreasing during the fall, falling from 24% to 0% over the course of the season.

The highest chance of a muggy day during the fall is 24% on September 12.

For reference, on September 10, the muggiest day of the year, there are muggy conditions 24% 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 the Fall in Juchitlán

Humidity Comfort Levels in the Fall in JuchitlánSepOctNov0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%SummerWinterSep 1224%Sep 1224%Nov 300%Nov 300%Oct 118%Oct 118%Nov 12%Nov 12%muggymuggyhumidhumiddrydrycomfortablecomfortable
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The percentage of time spent at various humidity comfort levels, categorized by dew point.

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Juchitlán is essentially constant during the fall, remaining within 0.1 miles per hour of 4.1 miles per hour throughout.

For reference, on April 16, the windiest day of the year, the daily average wind speed is 5.7 miles per hour, while on July 23, the calmest day of the year, the daily average wind speed is 3.6 miles per hour.

Average Wind Speed in the Fall in Juchitlán

Average Wind Speed in the Fall in JuchitlánSepOctNov0 mph0 mph1 mph1 mph2 mph2 mph3 mph3 mph4 mph4 mph5 mph5 mph6 mph6 mph7 mph7 mphSummerWinterSep 14.0 mphSep 14.0 mphNov 304.2 mphNov 304.2 mphOct 14.1 mphOct 14.1 mphNov 14.2 mphNov 14.2 mph
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The wind direction in Juchitlán during the fall is predominantly out of the west from September 1 to September 6 and the east from September 6 to November 30.

Wind Direction in the Fall in Juchitlán

Wind Direction in the Fall in JuchitlánWESepOctNov0%100%20%80%40%60%60%40%80%20%100%0%SummerWinterwestsoutheastnorth
northeastsouthwest
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than 1.0 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

Temperatures in Juchitlán 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 the Fall in Juchitlán

Time Spent in Various Temperature Bands and the Growing Season in the Fall in JuchitlánSepOctNov0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%SummerWinter100%Oct 16100%Oct 16coldcoolcomfortablewarmvery cold
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The percentage of time spent in various temperature bands. The black line is the percentage chance that a given day is within the growing season.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days in Juchitlán are very rapidly increasing during the fall, increasing by 1,534°F, from 4,302°F to 5,836°F, over the course of the season.

Growing Degree Days in the Fall in Juchitlán

Growing Degree Days in the Fall in JuchitlánSepOctNov4,200°F4,200°F4,400°F4,400°F4,600°F4,600°F4,800°F4,800°F5,000°F5,000°F5,200°F5,200°F5,400°F5,400°F5,600°F5,600°F5,800°F5,800°F6,000°F6,000°FSummerWinterSep 14,302°FSep 14,302°FNov 305,836°FNov 305,836°FOct 14,892°FOct 14,892°FNov 15,440°FNov 15,440°F
The average growing degree days accumulated over the course of the fall, with 25th to 75th and 10th to 90th percentile bands.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy in Juchitlán is essentially constant during the fall, remaining within 0.2 kWh of 4.9 kWh throughout.

The highest average daily incident shortwave solar energy during the fall is 5.0 kWh on November 6.

Average Daily Incident Shortwave Solar Energy in the Fall in Juchitlán

Average Daily Incident Shortwave Solar Energy in the Fall in JuchitlánSepOctNov0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWhSummerWinterNov 65.0 kWhNov 65.0 kWhSep 14.8 kWhSep 14.8 kWhNov 304.7 kWhNov 304.7 kWhOct 14.8 kWhOct 14.8 kWh
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

For the purposes of this report, the geographical coordinates of Juchitlán are 20.086 deg latitude, -104.099 deg longitude, and 4,101 ft elevation.

The topography within 2 miles of Juchitlán contains very significant variations in elevation, with a maximum elevation change of 1,532 feet and an average elevation above sea level of 4,324 feet. Within 10 miles contains very significant variations in elevation (4,262 feet). Within 50 miles also contains extreme variations in elevation (13,127 feet).

The area within 2 miles of Juchitlán is covered by trees (57%), cropland (28%), and grassland (12%), within 10 miles by trees (53%) and cropland (24%), and within 50 miles by trees (50%) and cropland (27%).

This report illustrates the typical weather in Juchitlán, 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 Juchitlán.

For each station, the records are corrected for the elevation difference between that station and Juchitlán 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 Juchitlán is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Juchitlán and a given station.

The stations contributing to this reconstruction are:

To get a sense of how much these sources agree with each other, you can view a comparison of Juchitlán and the stations that contribute to our estimates of its temperature history and climate. Please note that each source's contribution is adjusted for elevation and the relative change present in the MERRA-2 data.

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus.

All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.

Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.

Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for airports and weather stations are provided by AskGeo.com .

Maps are © OpenStreetMap contributors.

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.

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