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Average Weather in San Juan Hueyapan Mexico

In San Juan Hueyapan, 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 41°F to 75°F and is rarely below 35°F or above 82°F.

Based on the tourism score, the best time of year to visit San Juan Hueyapan for warm-weather activities is from early April to early June.

Climate Summary

comfortablewarmcomfortableJanFebMarAprMayJunJulAugSepOctNovDec66%66%15%15%overcastclearprecipitation: 6.8 inprecipitation: 6.8 in0.5 in0.5 inmuggy: 0%muggy: 0%0%0%drydrytourism score: 5.4tourism score: 5.42.92.9
Click on each chart for more information.

Temperature

The warm season lasts for 2.3 months, from March 24 to June 2, with an average daily high temperature above 74°F. The hottest day of the year is May 4, with an average high of 75°F and low of 51°F.

The cool season lasts for 4.6 months, from September 15 to February 4, with an average daily high temperature below 68°F. The coldest day of the year is January 12, with an average low of 41°F and high of 66°F.

Average High and Low Temperature

Average High and Low Temperature in San Juan HueyapanwarmcoolcoolJanFebMarAprMayJunJulAugSepOctNovDec0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F100°FJan 1266°FJan 1266°FMay 475°FMay 475°F41°F41°F51°F51°FMar 2474°FMar 2474°FJun 274°FJun 274°FSep 1568°FSep 1568°F47°F47°F52°F52°F51°F51°FLowHigh
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 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

Average Hourly Temperature in San Juan HueyapanJanFebMarAprMayJunJulAugSepOctNovDec12 AM4 AM8 AM12 PM4 PM8 PM12 AMvery coldcoldcoldcoldcoolcoolcoolcomfortablevery 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 average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Arani, Bolivia (3,411 miles away) and Matamba, Tanzania (9,175 miles) are the far-away foreign places with temperatures most similar to San Juan Hueyapan (view comparison).

Clouds

In San Juan Hueyapan, 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 Hueyapan begins around October 28 and lasts for 7.3 months, ending around June 6. On March 3, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 66% of the time, and overcast or mostly cloudy 34% of the time.

The cloudier part of the year begins around June 6 and lasts for 4.7 months, ending around October 28. On September 15, the cloudiest day of the year, the sky is overcast or mostly cloudy 85% of the time, and clear, mostly clear, or partly cloudy 15% of the time.

Cloud Cover Categories

Cloud Cover Categories in San Juan HueyapanclearerclearercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Mar 366%Mar 366%Sep 1515%Sep 1515%Oct 2840%Oct 2840%Jun 641%Jun 641%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.

Precipitation

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 Hueyapan varies very significantly throughout the year.

The wetter season lasts 4.5 months, from May 28 to October 14, with a greater than 43% chance of a given day being a wet day. The chance of a wet day peaks at 78% on July 4.

The drier season lasts 7.5 months, from October 14 to May 28. The smallest chance of a wet day is 8% on December 26.

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 78% on July 4.

Daily Chance of Precipitation

Daily Chance of Precipitation in San Juan HueyapanwetdrydryJanFebMarAprMayJunJulAugSepOctNovDec0%10%20%30%40%50%60%70%80%90%100%Jul 478%Jul 478%Dec 268%Dec 268%May 2843%May 2843%Oct 1443%Oct 1443%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 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 Hueyapan experiences extreme seasonal variation in monthly rainfall.

The rainy period of the year lasts for 10 months, from February 17 to December 18, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around September 10, with an average total accumulation of 6.8 inches.

The rainless period of the year lasts for 2.0 months, from December 18 to February 17. The least rain falls around January 3, with an average total accumulation of 0.5 inches.

Average Monthly Rainfall

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 liquid-equivalent snowfall.

Sun

The length of the day in San Juan Hueyapan varies over the course of the year. In 2018, the shortest day is December 21, with 10 hours, 55 minutes of daylight; the longest day is June 21, with 13 hours, 21 minutes of daylight.

Hours of Daylight and Twilight

Hours of Daylight and Twilight in San Juan HueyapanJanFebMarAprMayJunJulAugSepOctNovDec0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hr12 hr, 6 minMar 2012 hr, 6 minMar 2013 hr, 21 minJun 2113 hr, 21 minJun 2112 hr, 7 minSep 2212 hr, 7 minSep 2210 hr, 55 minDec 2110 hr, 55 minDec 21nightnightday
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 is at 6:27 AM on March 31, and the latest sunrise is 1 hour, 5 minutes later at 7:32 AM on October 27. The earliest sunset is at 5:52 PM on November 25, and the latest sunset is 2 hours, 25 minutes later at 8:16 PM on July 4.

Daylight saving time (DST) is observed in San Juan Hueyapan during 2018, starting in the spring on April 1, lasting 6.8 months, and ending in the fall on October 28.

Sunrise & Sunset with Twilight and Daylight Saving Time

Sunrise & Sunset with Twilight and Daylight Saving Time in San Juan HueyapanJanFebMarAprMayJunJulAugSepOctNovDec2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMMar 316:27 AMMar 316:27 AM8:16 PMJul 48:16 PMJul 4Nov 255:52 PMNov 255:52 PM7:32 AMOct 277:32 AMOct 27Apr 1DSTApr 1DSTDSTOct 28DSTOct 28daynightnightnightSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day over the course of the year 2018. 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 transitions to and from daylight saving time are indicated by the 'DST' labels.

Humidity

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 perceived humidity level in San Juan Hueyapan, 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

Humidity Comfort Levels in San Juan HueyapanJanFebMarAprMayJunJulAugSepOctNovDec0%10%20%30%40%50%60%70%80%90%100%Nov 110%Nov 110%May 190%May 190%comfortablecomfortabledrydry
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.

Wind

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 San Juan Hueyapan experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 7.8 months, from February 22 to October 15, with average wind speeds of more than 5.3 miles per hour. The windiest day of the year is June 28, with an average hourly wind speed of 6.1 miles per hour.

The calmer time of year lasts for 4.2 months, from October 15 to February 22. The calmest day of the year is December 22, with an average hourly wind speed of 4.5 miles per hour.

Average Wind Speed

Average Wind Speed in San Juan HueyapanwindyJanFebMarAprMayJunJulAugSepOctNovDec0 mph1 mph2 mph3 mph4 mph5 mph6 mph7 mph8 mph9 mph10 mph11 mphJun 286.1 mphJun 286.1 mphDec 224.5 mphDec 224.5 mphFeb 225.3 mphFeb 225.3 mphOct 155.3 mphOct 155.3 mph
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The predominant average hourly wind direction in San Juan Hueyapan varies throughout the year.

The wind is most often from the south for 1.4 months, from March 14 to April 27, with a peak percentage of 32% on April 11. The wind is most often from the north for 4.1 weeks, from April 27 to May 26 and for 5.9 months, from September 18 to March 14, with a peak percentage of 34% on May 24. The wind is most often from the east for 3.7 months, from May 26 to September 18, with a peak percentage of 71% on July 15.

Wind Direction

Wind Direction in San Juan HueyapanNSNENJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%eastnorthsouthwest
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).

Best Time of Year to Visit

To characterize how pleasant the weather is in San Juan Hueyapan 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 Hueyapan for general outdoor tourist activities is from early April to early June, with a peak score in the second week of May.

Tourism Score

Tourism Score in San Juan Hueyapanbest timeJanFebMarAprMayJunJulAugSepOctNovDec02468105.45.42.92.93.53.53.13.1 precipitationprecipitationcloudscloudstemperaturetemperaturetourism score
The tourism score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

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 Hueyapan for hot-weather activities is from early April to late May, with a peak score in the first week of May.

Beach/Pool Score

Beach/Pool Score in San Juan Hueyapanbest timeJanFebMarAprMayJunJulAugSepOctNovDec02468102.52.50.60.60.80.8 precipitationprecipitationcloudsclouds
The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

Methodology

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.

Growing Season

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).

The growing season in San Juan Hueyapan typically lasts for 11 months (326 days), from around January 29 to around December 21, rarely starting after March 13, or ending before November 6.

Time Spent in Various Temperature Bands and the Growing Season

Time Spent in Various Temperature Bands and the Growing Season in San Juan Hueyapangrowing seasonJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%50%Jan 2950%Jan 2950%Dec 2150%Dec 2190%Mar 1390%Mar 1390%Nov 690%Nov 638%Jan 638%Jan 6Jul 9100%Jul 9100%very coldcoldcoolcomfortablewarm
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.

Based on growing degree days alone, the first spring blooms in San Juan Hueyapan should appear around January 20, only rarely appearing before January 16 or after January 25.

Growing Degree Days

Growing Degree Days in San Juan HueyapanJanFebMarAprMayJunJulAugSepOctNovDec0°F500°F1,000°F1,500°F2,000°F2,500°F3,000°FJan 2090°FJan 2090°FApr 26900°FApr 26900°FJul 141,800°FJul 141,800°FDec 313,082°FDec 313,082°F
The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands.

Solar Energy

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 experiences some seasonal variation over the course of the year.

The brighter period of the year lasts for 3.0 months, from March 13 to June 15, with an average daily incident shortwave energy per square meter above 6.7 kWh. The brightest day of the year is May 10, with an average of 7.2 kWh.

The darker period of the year lasts for 2.5 months, from November 10 to January 27, with an average daily incident shortwave energy per square meter below 5.2 kWh. The darkest day of the year is December 20, with an average of 4.7 kWh.

Average Daily Incident Shortwave Solar Energy

Average Daily Incident Shortwave Solar Energy in San Juan HueyapanbrightdarkdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh1 kWh2 kWh3 kWh4 kWh5 kWh6 kWh7 kWh8 kWh9 kWhMay 107.2 kWhMay 107.2 kWhDec 204.7 kWhDec 204.7 kWhMar 136.7 kWhMar 136.7 kWhJan 275.2 kWhJan 275.2 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.

Topography

For the purposes of this report, the geographical coordinates of San Juan Hueyapan are 20.030 deg latitude, -98.282 deg longitude, and 7,664 ft elevation.

The topography within 2 miles of San Juan Hueyapan contains very significant variations in elevation, with a maximum elevation change of 1,096 feet and an average elevation above sea level of 7,611 feet. Within 10 miles contains very significant variations in elevation (2,874 feet). Within 50 miles contains large variations in elevation (12,438 feet).

The area within 2 miles of San Juan Hueyapan is covered by cropland (48%), grassland (26%), and shrubs (26%), within 10 miles by shrubs (32%) and cropland (32%), and within 50 miles by cropland (41%) and trees (26%).

Data Sources

This report illustrates the typical weather in San Juan Hueyapan, 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 Hueyapan.

For each station, the records are corrected for the elevation difference between that station and San Juan Hueyapan 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 Hueyapan 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 Hueyapan and a given station.

The stations contributing to this reconstruction are: Tulancingo (92%, 11 kilometers, northwest) and Hermanos Serdán International Airport (8%, 98 kilometers, south).

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Tables of the Sun, Moon and Planets , 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 aiports and weather stations are provided by AskGeo.com .

Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.

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.