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Average Weather in San Ignacio Río Muerto Mexico

In San Ignacio Río Muerto, the summers are long, hot, oppressive, and partly cloudy and the winters are long, cool, dry, and mostly clear. Over the course of the year, the temperature typically varies from 51°F to 95°F and is rarely below 45°F or above 100°F.

Climate Summary

comfortablewarmhotswelteringhotwarmJanFebMarAprMayJunJulAugSepOctNovDec86%86%35%35%clearovercastprecipitation: 2.8 inprecipitation: 2.8 in0.0 in0.0 inmuggy: 99%muggy: 99%1%1%beach/pool score: 8.3beach/pool score: 8.31.41.4
Click on each chart for more information.

Based on the beach/pool score, the best times of year to visit San Ignacio Río Muerto for hot-weather activities are from mid May to late June and from early to mid October.

Temperature

The hot season lasts for 4.1 months, from June 11 to October 14, with an average daily high temperature above 91°F. The hottest day of the year is August 8, with an average high of 95°F and low of 81°F.

The cool season lasts for 3.7 months, from December 1 to March 23, with an average daily high temperature below 77°F. The coldest day of the year is January 8, with an average low of 51°F and high of 73°F.

Average High and Low Temperature

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 Ignacio Río MuertoJanFebMarAprMayJunJulAugSepOctNovDec12 AM4 AM8 AM12 PM4 PM8 PM12 AMcoldcoolcoolcoolcoolcomfortablewarmhothotcoldcomfortable
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.

El Gouna, Egypt (7,966 miles away) and Taichung, Taiwan (7,525 miles) are the far-away foreign places with temperatures most similar to San Ignacio Río Muerto (view comparison).

Clouds

In San Ignacio Río Muerto, 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 Ignacio Río Muerto begins around September 12 and lasts for 9.8 months, ending around July 5. On June 8, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 86% of the time, and overcast or mostly cloudy 14% of the time.

The cloudier part of the year begins around July 5 and lasts for 2.2 months, ending around September 12. On July 31, the cloudiest day of the year, the sky is overcast or mostly cloudy 65% of the time, and clear, mostly clear, or partly cloudy 35% of the time.

Cloud Cover Categories

Cloud Cover Categories in San Ignacio Río MuertoclearerclearercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Jun 886%Jun 886%Jul 3135%Jul 3135%Sep 1261%Sep 1261%Jul 561%Jul 561%clearovercastmostly cloudymostly 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 Ignacio Río Muerto varies significantly throughout the year.

The wetter season lasts 2.7 months, from June 30 to September 20, with a greater than 20% chance of a given day being a wet day. The chance of a wet day peaks at 38% on August 5.

The drier season lasts 9.3 months, from September 20 to June 30. The smallest chance of a wet day is 1% on May 17.

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 38% on August 5.

Daily Chance of Precipitation

Daily Chance of Precipitation in San Ignacio Río MuertowetdrydryJanFebMarAprMayJunJulAugSepOctNovDec0%10%20%30%40%50%60%70%80%90%100%Aug 538%Aug 538%May 171%May 171%Jan 17%Jan 17%Jun 3020%Jun 3020%Sep 2020%Sep 2020%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 Ignacio Río Muerto experiences significant seasonal variation in monthly rainfall.

The rainy period of the year lasts for 7.5 months, from June 16 to February 1, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around August 16, with an average total accumulation of 2.8 inches.

The rainless period of the year lasts for 4.5 months, from February 1 to June 16. The least rain falls around May 8, with an average total accumulation of 0.0 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 Ignacio Río Muerto varies over the course of the year. In 2018, the shortest day is December 21, with 10 hours, 25 minutes of daylight; the longest day is June 21, with 13 hours, 53 minutes of daylight.

Hours of Daylight and Twilight

Hours of Daylight and Twilight in San Ignacio Río MuertoJanFebMarAprMayJunJulAugSepOctNovDec0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hr12 hr, 6 minMar 2012 hr, 6 minMar 2013 hr, 53 minJun 2113 hr, 53 minJun 2112 hr, 8 minSep 2212 hr, 8 minSep 2210 hr, 25 minDec 2110 hr, 25 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 5:25 AM on June 9, and the latest sunrise is 1 hour, 47 minutes later at 7:12 AM on January 11. The earliest sunset is at 5:26 PM on November 30, and the latest sunset is 1 hour, 54 minutes later at 7:20 PM on July 1.

Daylight saving time (DST) is not observed in San Ignacio Río Muerto during 2018.

Sunrise & Sunset with Twilight

Sunrise & Sunset with Twilight in San Ignacio Río MuertoJanFebMarAprMayJunJulAugSepOctNovDec2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJun 95:25 AMJun 95:25 AM7:20 PMJul 17:20 PMJul 1Nov 305:26 PMNov 305:26 PM7:12 AMJan 117:12 AMJan 11daynightnightnightnightSolarMidnightSolarMidnightSolarNoonSunriseSunset
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.

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.

San Ignacio Río Muerto experiences extreme seasonal variation in the perceived humidity.

The muggier period of the year lasts for 5.2 months, from May 25 to October 30, during which time the comfort level is muggy, oppressive, or miserable at least 25% of the time. The muggiest day of the year is August 16, with muggy conditions 99% of the time.

The least muggy day of the year is January 23, with muggy conditions 1% of the time.

Humidity Comfort Levels

Humidity Comfort Levels in San Ignacio Río MuertomuggyJanFebMarAprMayJunJulAugSepOctNovDec0%10%20%30%40%50%60%70%80%90%100%Jan 231%Jan 231%99%Aug 1699%Aug 16May 2525%May 2525%Oct 3025%Oct 3025%miserablemiserableoppressiveoppressivehumidhumidcomfortablecomfortabledrydry
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 Ignacio Río Muerto experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 9.0 months, from October 18 to July 17, with average wind speeds of more than 7.5 miles per hour. The windiest day of the year is June 19, with an average hourly wind speed of 8.6 miles per hour.

The calmer time of year lasts for 3.0 months, from July 17 to October 18. The calmest day of the year is August 17, with an average hourly wind speed of 6.4 miles per hour.

Average Wind Speed

Average Wind Speed in San Ignacio Río MuertowindywindyJanFebMarAprMayJunJulAugSepOctNovDec0 mph2 mph4 mph6 mph8 mph10 mph12 mphJun 198.6 mphJun 198.6 mphAug 176.4 mphAug 176.4 mphOct 187.5 mphOct 187.5 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 Ignacio Río Muerto varies throughout the year.

The wind is most often from the west for 4.6 months, from January 28 to June 16 and for 1.8 months, from September 20 to November 13, with a peak percentage of 54% on April 18. The wind is most often from the south for 3.1 months, from June 16 to September 20, with a peak percentage of 54% on July 11. The wind is most often from the north for 2.5 months, from November 13 to January 28, with a peak percentage of 44% on January 1.

Wind Direction

Wind Direction in San Ignacio Río MuertoNWSWNJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%westsouthnortheast
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).

Water Temperature

San Ignacio Río Muerto is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average water temperature experiences significant seasonal variation over the course of the year.

The time of year with warmer water lasts for 3.7 months, from June 28 to October 18, with an average temperature above 82°F. The day of the year with the warmest water is August 28, with an average temperature of 86°F.

The time of year with cooler water lasts for 4.0 months, from December 13 to April 13, with an average temperature below 69°F. The day of the year with the coolest water is January 28, with an average temperature of 65°F.

Average Water Temperature

The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.

Best Time of Year to Visit

To characterize how pleasant the weather is in San Ignacio Río Muerto 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 times of year to visit San Ignacio Río Muerto for general outdoor tourist activities are from mid March to early June and from mid October to late November, with a peak score in the second week of May.

Tourism Score

Tourism Score in San Ignacio Río Muertobest timeJanFebMarAprMayJunJulAugSepOctNovDec02468107.97.92.62.67.67.65.65.6 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 times of year to visit San Ignacio Río Muerto for hot-weather activities are from mid May to late June and from early to mid October, with a peak score in the first week of June.

Beach/Pool Score

Beach/Pool Score in San Ignacio Río MuertoJanFebMarAprMayJunJulAugSepOctNovDec02468108.38.31.41.47.57.54.54.5precipitationprecipitationcloudscloudstemperaturetemperaturebeach/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).

Temperatures in San Ignacio Río Muerto 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

Time Spent in Various Temperature Bands and the Growing Season in San Ignacio Río MuertoJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%100%Jan 1100%Jan 1100%Jul 3100%Jul 3coldcoolcomfortablewarmhotsweltering
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.

Growing Degree Days

Growing Degree Days in San Ignacio Río MuertoJanFebMarAprMayJunJulAugSepOctNovDec0°F1,000°F2,000°F3,000°F4,000°F5,000°F6,000°F7,000°F8,000°F9,000°FJan 890°FJan 890°FMar 9900°FMar 9900°FApr 251,800°FApr 251,800°FDec 318,878°FDec 318,878°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 significant seasonal variation over the course of the year.

The brighter period of the year lasts for 2.4 months, from April 16 to June 29, with an average daily incident shortwave energy per square meter above 7.3 kWh. The brightest day of the year is June 1, with an average of 8.2 kWh.

The darker period of the year lasts for 2.9 months, from November 7 to February 4, with an average daily incident shortwave energy per square meter below 4.7 kWh. The darkest day of the year is December 18, with an average of 3.8 kWh.

Average Daily Incident Shortwave Solar Energy

Average Daily Incident Shortwave Solar Energy in San Ignacio Río MuertobrightdarkdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh1 kWh2 kWh3 kWh4 kWh5 kWh6 kWh7 kWh8 kWh9 kWhJun 18.2 kWhJun 18.2 kWhDec 183.8 kWhDec 183.8 kWhApr 167.3 kWhApr 167.3 kWhNov 74.7 kWhNov 74.7 kWhFeb 44.7 kWhFeb 44.7 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 Ignacio Río Muerto are 27.417 deg latitude, -110.246 deg longitude, and 36 ft elevation.

The topography within 2 miles of San Ignacio Río Muerto is essentially flat, with a maximum elevation change of 66 feet and an average elevation above sea level of 39 feet. Within 10 miles is essentially flat (128 feet). Within 50 miles contains only modest variations in elevation (3,885 feet).

The area within 2 miles of San Ignacio Río Muerto is covered by cropland (100%), within 10 miles by cropland (77%) and shrubs (20%), and within 50 miles by water (42%) and trees (21%).

Data Sources

This report illustrates the typical weather in San Ignacio Río Muerto, 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, Ciudad Obregón International Airport, in our network suitable to be used as a proxy for the historical temperature and dew point records of San Ignacio Río Muerto.

At a distance of 41 kilometers from San Ignacio Río Muerto, 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 Ignacio Río Muerto 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.

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.