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Average Weather in Casas Adobes Arizona, United States

In Casas Adobes, the summers are sweltering, the winters are cool, and it is mostly clear year round. Over the course of the year, the temperature typically varies from 42°F to 102°F and is rarely below 33°F or above 108°F.

Climate Summary

comfortablewarmhotswelteringhotwarmJanFebMarAprMayJunJulAugSepOctNovDec85%85%56%56%clearovercastprecipitation: 2.1 inprecipitation: 2.1 in0.1 in0.1 inmuggy: 22%muggy: 22%0%0%drydrybeach/pool score: 7.5beach/pool score: 7.50.30.3
Click on each chart for more information.

Based on the beach/pool score, the best times of year to visit Casas Adobes for hot-weather activities are from early June to late July and from mid August to late September.

Temperature

The hot season lasts for 3.7 months, from May 25 to September 17, with an average daily high temperature above 95°F. The hottest day of the year is June 29, with an average high of 102°F and low of 75°F.

The cool season lasts for 3.2 months, from November 22 to February 28, with an average daily high temperature below 72°F. The coldest day of the year is January 4, with an average low of 42°F and high of 65°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 Casas AdobesJanFebMarAprMayJunJulAugSepOctNovDec12 AM4 AM8 AM12 PM4 PM8 PM12 AMcoldcoldcoldcoldcoolcoolwarmhotswelteringvery coldcomfortablevery coldcomfortable
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.

Tabuk, Saudi Arabia (7,740 miles away) is the far-away foreign place with temperatures most similar to Casas Adobes (view comparison).

Clouds

In Casas Adobes, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year.

The clearer part of the year in Casas Adobes begins around March 17 and lasts for 3.7 months, ending around July 7. On June 13, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 85% of the time, and overcast or mostly cloudy 15% of the time.

The cloudier part of the year begins around July 7 and lasts for 8.3 months, ending around March 17. On July 30, the cloudiest day of the year, the sky is overcast or mostly cloudy 44% of the time, and clear, mostly clear, or partly cloudy 56% of the time.

Cloud Cover Categories

Cloud Cover Categories in Casas AdobesclearercloudiercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Jun 1385%Jun 1385%Jul 3056%Jul 3056%Mar 1770%Mar 1770%Jul 772%Jul 772%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 Casas Adobes varies significantly throughout the year.

The wetter season lasts 2.1 months, from July 5 to September 8, with a greater than 23% chance of a given day being a wet day. The chance of a wet day peaks at 42% on August 4.

The drier season lasts 9.9 months, from September 8 to July 5. The smallest chance of a wet day is 3% on May 20.

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 42% on August 4.

Daily Chance of Precipitation

Daily Chance of Precipitation in Casas AdobeswetdrydryJanFebMarAprMayJunJulAugSepOctNovDec0%10%20%30%40%50%60%70%80%90%100%Aug 442%Aug 442%May 203%May 203%Jan 113%Jan 113%Jul 523%Jul 523%Sep 823%Sep 823%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. Casas Adobes experiences some seasonal variation in monthly rainfall.

The rainy period of the year lasts for 9.4 months, from June 20 to April 3, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around July 31, with an average total accumulation of 2.1 inches.

The rainless period of the year lasts for 2.6 months, from April 3 to June 20. The least rain falls around May 30, 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 Casas Adobes varies significantly over the course of the year. In 2017, the shortest day is December 21, with 10 hours, 2 minutes of daylight; the longest day is June 20, with 14 hours, 16 minutes of daylight.

Hours of Daylight and Twilight

Hours of Daylight and Twilight in Casas AdobesJanFebMarAprMayJunJulAugSepOctNovDec0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hr12 hr, 6 minMar 2012 hr, 6 minMar 2014 hr, 16 minJun 2014 hr, 16 minJun 2012 hr, 8 minSep 2212 hr, 8 minSep 2210 hr, 2 minDec 2110 hr, 2 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 5:16 AM on June 11, and the latest sunrise is 2 hours, 10 minutes later at 7:26 AM on January 7. The earliest sunset is at 5:18 PM on December 3, and the latest sunset is 2 hours, 16 minutes later at 7:34 PM on June 29.

Daylight saving time (DST) is not observed in Casas Adobes during 2017.

Sunrise & Sunset with Twilight

Sunrise & Sunset with Twilight in Casas AdobesJanFebMarAprMayJunJulAugSepOctNovDec2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJun 115:16 AMJun 115:16 AM7:34 PMJun 297:34 PMJun 29Dec 35:18 PMDec 35:18 PM7:26 AMJan 77:26 AMJan 7daynightnightnightnightSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day over the course of the year 2017. 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.

Casas Adobes experiences some seasonal variation in the perceived humidity.

The muggier period of the year lasts for 2.7 months, from June 29 to September 20, during which time the comfort level is muggy, oppressive, or miserable at least 6% of the time. The muggiest day of the year is August 5, with muggy conditions 22% of the time.

The least muggy day of the year is March 14, when muggy conditions are essentially unheard of.

Humidity Comfort Levels

Humidity Comfort Levels in Casas AdobesmuggyJanFebMarAprMayJunJulAugSepOctNovDec0%10%20%30%40%50%60%70%80%90%100%Mar 140%Mar 140%Aug 522%Aug 522%Jun 296%Jun 296%Sep 206%Sep 206%muggymuggyhumidhumiddrydrycomfortablecomfortable
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 Casas Adobes experiences significant seasonal variation over the course of the year.

The windier part of the year lasts for 9.4 months, from September 23 to July 3, with average wind speeds of more than 7.0 miles per hour. The windiest day of the year is April 30, with an average hourly wind speed of 8.6 miles per hour.

The calmer time of year lasts for 2.7 months, from July 3 to September 23. The calmest day of the year is August 8, with an average hourly wind speed of 5.3 miles per hour.

Average Wind Speed

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 Casas Adobes varies throughout the year.

The wind is most often from the west for 7.1 months, from February 20 to September 24, with a peak percentage of 55% on June 15. The wind is most often from the east for 4.9 months, from September 24 to February 20, with a peak percentage of 47% on January 1.

Wind Direction

Wind Direction in Casas AdobesEWEJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%westeastsouthnorth
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 Casas Adobes 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 Casas Adobes for general outdoor tourist activities are from late April to mid June and from early September to late October, with a peak score in the first week of October.

Tourism Score

Tourism Score in Casas Adobesbest timebest timeJanFebMarAprMayJunJulAugSepOctNovDec02468107.47.42.42.47.37.35.15.1 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 times of year to visit Casas Adobes for hot-weather activities are from early June to late July and from mid August to late September, with a peak score in the third week of June.

Beach/Pool Score

Beach/Pool Score in Casas Adobesbest timebest timeJanFebMarAprMayJunJulAugSepOctNovDec02468107.57.50.30.37.47.46.76.7precipitationprecipitationcloudscloudstemperaturetemperaturebeach/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 Casas Adobes typically lasts for 11 months (326 days), from around January 23 to around December 15, rarely starting after February 18, or ending before November 22.

Time Spent in Various Temperature Bands and the Growing Season

Time Spent in Various Temperature Bands and the Growing Season in Casas Adobesgrowing seasonJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%50%Jan 2350%Jan 2350%Dec 1550%Dec 1590%Feb 1890%Feb 1890%Nov 2290%Nov 2230%Jan 530%Jan 5Jul 12100%Jul 12100%very coldcoldcoolwarmhotswelteringcomfortable
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 Casas Adobes should appear around January 18, only rarely appearing before January 13 or after January 24.

Growing Degree Days

Growing Degree Days in Casas AdobesJanFebMarAprMayJunJulAugSepOctNovDec0°F1,000°F2,000°F3,000°F4,000°F5,000°F6,000°F7,000°FJan 1890°FJan 1890°FApr 10900°FApr 10900°FMay 211,800°FMay 211,800°FDec 317,139°FDec 317,139°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 extreme seasonal variation over the course of the year.

The brighter period of the year lasts for 2.7 months, from April 17 to July 6, with an average daily incident shortwave energy per square meter above 7.5 kWh. The brightest day of the year is June 8, with an average of 8.6 kWh.

The darker period of the year lasts for 3.1 months, from November 5 to February 8, with an average daily incident shortwave energy per square meter below 4.4 kWh. The darkest day of the year is December 24, with an average of 3.3 kWh.

Average Daily Incident Shortwave Solar Energy

Average Daily Incident Shortwave Solar Energy in Casas AdobesbrightdarkdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh1 kWh2 kWh3 kWh4 kWh5 kWh6 kWh7 kWh8 kWh9 kWh10 kWhJun 88.6 kWhJun 88.6 kWhDec 243.3 kWhDec 243.3 kWhApr 177.5 kWhApr 177.5 kWhNov 54.4 kWhNov 54.4 kWhFeb 84.4 kWhFeb 84.4 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 Casas Adobes are 32.323 deg latitude, -110.995 deg longitude, and 2,382 ft elevation.

The topography within 2 miles of Casas Adobes contains only modest variations in elevation, with a maximum elevation change of 384 feet and an average elevation above sea level of 2,402 feet. Within 10 miles contains only modest variations in elevation (5,774 feet). Within 50 miles also contains extreme variations in elevation (7,956 feet).

The area within 2 miles of Casas Adobes is covered by artificial surfaces (61%) and shrubs (39%), within 10 miles by shrubs (78%) and artificial surfaces (21%), and within 50 miles by shrubs (88%).

Data Sources

This report illustrates the typical weather in Casas Adobes, 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 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Casas Adobes.

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

The stations contributing to this reconstruction are: Allied Airstrip (46%, 20 kilometers, southeast); Tucson International Airport (47%, 22 kilometers, south); Casa Grande Municipal Airport (4.6%, 101 kilometers, northwest); and Safford Municipal Airport (2.9%, 141 kilometers, northeast).

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.