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Average Weather in San Francisco de Guzmán Mexico

In San Francisco de Guzmán, 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 34°F to 75°F and is rarely below 29°F or above 81°F.

Climate Summary

comfortablewarmcomfortableJanFebMarAprMayJunJulAugSepOctNovDec66%66%10%10%overcastclearprecipitation: 4.9 inprecipitation: 4.9 in0.1 in0.1 inmuggy: 0%muggy: 0%0%0%drydrytourism score: 4.5tourism score: 4.52.62.6
Click on each chart for more information.

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

Temperature

The warm season lasts for 2.4 months, from March 28 to June 8, with an average daily high temperature above 73°F. The hottest day of the year is May 11, with an average high of 75°F and low of 47°F.

The cool season lasts for 2.0 months, from December 4 to February 4, with an average daily high temperature below 68°F. The coldest day of the year is January 8, with an average low of 34°F and high of 66°F.

Average High and Low Temperature

Average High and Low Temperature in San Francisco de GuzmánwarmcoolcoolJanFebMarAprMayJunJulAugSepOctNovDec0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F100°FJan 866°FJan 866°FMay 1175°FMay 1175°F34°F34°F47°F47°FMar 2873°FMar 2873°FJun 873°FJun 873°FDec 468°FDec 468°F41°F41°F50°F50°F36°F36°F35°F35°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 Francisco de GuzmánJanFebMarAprMayJunJulAugSepOctNovDec12 AM4 AM8 AM12 PM4 PM8 PM12 AMvery coldvery coldcoldcoldcoldcoolcoolcomfortablecool
The average hourly temperature, color coded into bands: 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 shaded overlays indicate night and civil twilight.

Colchani, Bolivia (3,402 miles away) is the far-away foreign place with temperatures most similar to San Francisco de Guzmán (view comparison).

Clouds

In San Francisco de Guzmán, 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 Francisco de Guzmán begins around October 31 and lasts for 7.1 months, ending around June 3. On February 24, 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 3 and lasts for 4.9 months, ending around October 31. On September 13, the cloudiest day of the year, the sky is overcast or mostly cloudy 90% of the time, and clear, mostly clear, or partly cloudy 10% of the time.

Cloud Cover Categories

Cloud Cover Categories in San Francisco de GuzmánclearerclearercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Feb 2466%Feb 2466%Sep 1310%Sep 1310%Oct 3137%Oct 3137%Jun 338%Jun 338%clearmostly cloudyovercastmostly clearpartly cloudy
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds: clear < 20% < mostly clear < 40% < partly cloudy < 60% < mostly cloudy < 80% < overcast.

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 Francisco de Guzmán varies very significantly throughout the year.

The wetter season lasts 4.1 months, from June 1 to October 5, with a greater than 39% chance of a given day being a wet day. The chance of a wet day peaks at 77% on July 14.

The drier season lasts 7.9 months, from October 5 to June 1. The smallest chance of a wet day is 1% on December 13.

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 July 14.

Daily Chance of Precipitation

Daily Chance of Precipitation in San Francisco de GuzmánwetdrydryJanFebMarAprMayJunJulAugSepOctNovDec0%10%20%30%40%50%60%70%80%90%100%Jul 1477%Jul 1477%Dec 131%Dec 131%Jun 139%Jun 139%Oct 539%Oct 539%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 Francisco de Guzmán experiences extreme seasonal variation in monthly rainfall.

The rainy period of the year lasts for 6.3 months, from April 29 to November 7, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around July 5, with an average total accumulation of 4.9 inches.

The rainless period of the year lasts for 5.7 months, from November 7 to April 29. The least rain falls around December 11, with an average total accumulation of 0.1 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 Francisco de Guzmán varies over the course of the year. In 2018, the shortest day is December 21, with 10 hours, 57 minutes of daylight; the longest day is June 21, with 13 hours, 19 minutes of daylight.

Hours of Daylight and Twilight

Hours of Daylight and Twilight in San Francisco de GuzmánJanFebMarAprMayJunJulAugSepOctNovDec0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hr12 hr, 6 minMar 2012 hr, 6 minMar 2013 hr, 19 minJun 2113 hr, 19 minJun 2112 hr, 7 minSep 2212 hr, 7 minSep 2210 hr, 57 minDec 2110 hr, 57 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 6:33 AM on March 31, and the latest sunrise is 1 hour, 4 minutes later at 7:38 AM on October 27. The earliest sunset is at 5:58 PM on November 25, and the latest sunset is 2 hours, 23 minutes later at 8:21 PM on July 5.

Daylight saving time (DST) is observed in San Francisco de Guzmán 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 Francisco de GuzmánJanFebMarAprMayJunJulAugSepOctNovDec2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMMar 316:33 AMMar 316:33 AM8:21 PMJul 58:21 PMJul 5Nov 255:58 PMNov 255:58 PM7:38 AMOct 277:38 AMOct 27Apr 1DSTApr 1DSTDSTOct 28DSTOct 28daynightnightnightnightSolarMidnightSolarMidnightSolarNoonSunriseSunset
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 Francisco de Guzmán, 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 Francisco de GuzmánJanFebMarAprMayJunJulAugSepOctNovDec0%10%20%30%40%50%60%70%80%90%100%Jan 40%Jan 40%Jul 60%Jul 60%drydrycomfortablecomfortable
The percentage of time spent at various humidity comfort levels, categorized by dew point: dry < 55°F < comfortable < 60°F < humid < 65°F < muggy < 70°F < oppressive < 75°F < miserable.

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 Francisco de Guzmán experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 3.3 months, from January 17 to April 27, with average wind speeds of more than 5.2 miles per hour. The windiest day of the year is March 24, with an average hourly wind speed of 6.0 miles per hour.

The calmer time of year lasts for 8.7 months, from April 27 to January 17. The calmest day of the year is July 14, with an average hourly wind speed of 4.3 miles per hour.

Average Wind Speed

Average Wind Speed in San Francisco de GuzmánwindyJanFebMarAprMayJunJulAugSepOctNovDec0 mph1 mph2 mph3 mph4 mph5 mph6 mph7 mph8 mph9 mph10 mph11 mphMar 246.0 mphMar 246.0 mphJul 144.3 mphJul 144.3 mphJan 175.2 mphJan 175.2 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 Francisco de Guzmán varies throughout the year.

The wind is most often from the east for 6.5 months, from May 25 to December 8, with a peak percentage of 69% on August 14. The wind is most often from the west for 5.5 months, from December 8 to May 25, with a peak percentage of 33% on January 1.

Wind Direction

Wind Direction in San Francisco de GuzmánWEWJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%westeastnorthsouth
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions (north, east, south, and west), excluding hours in which the mean wind speed is less than 1 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 Francisco de Guzmán 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 Francisco de Guzmán 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 Francisco de Guzmánbest timeJanFebMarAprMayJunJulAugSepOctNovDec02468104.54.52.62.63.03.0 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 Francisco de Guzmán for hot-weather activities is from early April to late May, with a peak score in the second week of May.

Beach/Pool Score

Beach/Pool Score in San Francisco de Guzmánbest timeJanFebMarAprMayJunJulAugSepOctNovDec02468102.22.20.40.40.70.7 precipitationprecipitationcloudscloudstemperaturetemperaturebeach/pool score
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 Francisco de Guzmán typically lasts for 8.6 months (265 days), from around March 3 to around November 22, rarely starting before January 27 or after April 2, and rarely ending before October 26 or after December 25.

Time Spent in Various Temperature Bands and the Growing Season

Time Spent in Various Temperature Bands and the Growing Season in San Francisco de Guzmángrowing seasonJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%50%Mar 350%Mar 350%Nov 2250%Nov 2290%Apr 290%Apr 290%Oct 2690%Oct 2610%Jan 2710%Jan 2710%Dec 2510%Dec 253%Jan 83%Jan 8Jul 14100%Jul 14100%very coldcoldcoolcomfortablewarm
The percentage of time spent in various temperature bands: 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 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 Francisco de Guzmán should appear around January 21, only rarely appearing before January 17 or after January 26.

Growing Degree Days

Growing Degree Days in San Francisco de GuzmánJanFebMarAprMayJunJulAugSepOctNovDec0°F500°F1,000°F1,500°F2,000°F2,500°F3,000°FJan 2190°FJan 2190°FMay 5900°FMay 5900°FAug 31,800°FAug 31,800°FDec 312,867°FDec 312,867°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 2.7 months, from March 9 to June 1, with an average daily incident shortwave energy per square meter above 6.9 kWh. The brightest day of the year is April 25, with an average of 7.4 kWh.

The darker period of the year lasts for 2.7 months, from November 2 to January 25, 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 4.9 kWh.

Average Daily Incident Shortwave Solar Energy

Average Daily Incident Shortwave Solar Energy in San Francisco de GuzmánbrightdarkdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh1 kWh2 kWh3 kWh4 kWh5 kWh6 kWh7 kWh8 kWh9 kWhApr 257.4 kWhApr 257.4 kWhDec 224.9 kWhDec 224.9 kWhMar 96.9 kWhMar 96.9 kWhJun 16.9 kWhJun 16.9 kWhNov 25.4 kWhNov 25.4 kWhJan 255.4 kWhJan 255.4 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 Francisco de Guzmán are 19.620 deg latitude, -99.775 deg longitude, and 8,323 ft elevation.

The topography within 2 miles of San Francisco de Guzmán contains only modest variations in elevation, with a maximum elevation change of 115 feet and an average elevation above sea level of 8,313 feet. Within 10 miles contains only modest variations in elevation (4,567 feet). Within 50 miles also contains extreme variations in elevation (12,411 feet).

The area within 2 miles of San Francisco de Guzmán is covered by cropland (87%), within 10 miles by cropland (77%) and shrubs (12%), and within 50 miles by cropland (38%) and trees (28%).

Data Sources

This report illustrates the typical weather in San Francisco de Guzmán, 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 Francisco de Guzmán.

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

The stations contributing to this reconstruction are: Licenciado Adolfo López Mateos International Airport (87%, 38 kilometers, southeast) and Querétaro Intercontinental Airport (13%, 119 kilometers, north).

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.