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April Weather at Grand Canyon National Park Airport Arizona, United States

Daily high temperatures increase by 8°F, from 57°F to 65°F, rarely falling below 44°F or exceeding 75°F.

Daily low temperatures increase by 5°F, from 26°F to 31°F, rarely falling below 18°F or exceeding 40°F.

For reference, on July 4, the hottest day of the year, temperatures at Grand Canyon National Park Airport typically range from 47°F to 85°F, while on January 4, the coldest day of the year, they range from 16°F to 43°F.

Average High and Low Temperature in April at Grand Canyon National Park Airport

Average High and Low Temperature in April at Grand Canyon National Park AirportApr11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303010°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°F90°F90°FMarMayApr 157°FApr 157°F26°F26°FApr 3065°FApr 3065°F31°F31°FApr 1160°FApr 1160°F27°F27°FApr 2163°FApr 2163°F29°F29°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 temperatures for the quarter of the year centered on April. 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 April at Grand Canyon National Park Airport

Average Hourly Temperature in April at Grand Canyon National Park AirportApr11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 AMMarMayfreezingfreezingvery coldvery coldcoldcoolcomfortablecoldcold
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.

Hacıbektaş, Turkey (6,851 miles away) is the far-away foreign place with temperatures most similar to Grand Canyon National Park Airport (view comparison).

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© Esri, et al.

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The month of April at Grand Canyon National Park Airport experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 32% to 28%.

The clearest day of the month is April 29, with clear, mostly clear, or partly cloudy conditions 72% of the time.

For reference, on February 19, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 41%, while on September 19, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 84%.

Cloud Cover Categories in April at Grand Canyon National Park Airport

Cloud Cover Categories in April at Grand Canyon National Park AirportApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%MarMayApr 168%Apr 168%Apr 3072%Apr 3072%Apr 1170%Apr 1170%Apr 2171%Apr 2171%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. At Grand Canyon National Park Airport, the chance of a wet day over the course of April is gradually decreasing, starting the month at 10% and ending it at 7%.

For reference, the year's highest daily chance of a wet day is 28% on August 4, and its lowest chance is 4% on June 15.

Over the course of April at Grand Canyon National Park Airport, the chance of a day with only rain remains an essentially constant 5% throughout, the chance of a day with mixed snow and rain remains an essentially constant 2% throughout, and the chance of a day with only snow remains an essentially constant 1% throughout.

Probability of Precipitation in April at Grand Canyon National Park Airport

Probability of Precipitation in April at Grand Canyon National Park AirportApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%0%2%2%4%4%6%6%8%8%10%10%12%12%14%14%16%16%MarMayApr 110%Apr 110%Apr 307%Apr 307%Apr 119%Apr 119%Apr 217%Apr 217%snowmixedrain
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 month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during April at Grand Canyon National Park Airport is essentially constant, remaining about 0.3 inches throughout, and rarely exceeding 0.8 inches or falling below -0.0 inches.

Average Monthly Rainfall in April at Grand Canyon National Park Airport

Average Monthly Rainfall in April at Grand Canyon National Park AirportApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300.0 in0.0 in0.5 in0.5 in1.0 in1.0 in1.5 in1.5 in2.0 in2.0 in2.5 in2.5 in3.0 in3.0 in3.5 in3.5 in4.0 in4.0 inMarMayApr 10.3 inApr 10.3 inApr 300.3 inApr 300.3 inApr 110.3 inApr 110.3 inApr 210.3 inApr 210.3 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.

Snowfall

As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day snowfall during April at Grand Canyon National Park Airport is decreasing, starting the month at 2.3 inches, when it rarely exceeds 6.7 inches, and ending the month at 0.6 inches, when it rarely exceeds 2.4 inches or falls below -0.0 inches.

Average Monthly Snowfall in April at Grand Canyon National Park Airport

The average snowfall (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 rainfall.

Over the course of April at Grand Canyon National Park Airport, the length of the day is rapidly increasing. From the start to the end of the month, the length of the day increases by 1 hour, 2 minutes, implying an average daily increase of 2 minutes, 9 seconds, and weekly increase of 15 minutes, 0 seconds.

The shortest day of the month is April 1, with 12 hours, 36 minutes of daylight and the longest day is April 30, with 13 hours, 38 minutes of daylight.

Hours of Daylight and Twilight in April at Grand Canyon National Park Airport

Hours of Daylight and Twilight in April at Grand Canyon National Park AirportApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrMarMaynightnightdaydayApr 112 hr, 36 minApr 112 hr, 36 minApr 3013 hr, 38 minApr 3013 hr, 38 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 latest sunrise of the month at Grand Canyon National Park Airport is 6:14 AM on April 1 and the earliest sunrise is 38 minutes earlier at 5:37 AM on April 30.

The earliest sunset is 6:50 PM on April 1 and the latest sunset is 24 minutes later at 7:15 PM on April 30.

Daylight saving time is not observed at Grand Canyon National Park Airport during 2022.

For reference, on June 21, the longest day of the year, the Sun rises at 5:12 AM and sets 14 hours, 36 minutes later, at 7:48 PM, while on December 21, the shortest day of the year, it rises at 7:35 AM and sets 9 hours, 43 minutes later, at 5:18 PM.

Sunrise & Sunset with Twilight in April at Grand Canyon National Park Airport

Sunrise & Sunset with Twilight in April at Grand Canyon National Park AirportApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930302 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMMarMay5:37 AM5:37 AMApr 307:15 PMApr 307:15 PM6:14 AM6:14 AMApr 16:50 PMApr 16:50 PM5:54 AM5:54 AMApr 167:03 PMApr 167:03 PMSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day over the course of April. 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 April at Grand Canyon National Park Airport

Solar Elevation and Azimuth in April at Grand Canyon National Park AirportApr11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 AMMarMay001010202020303040405050600001010202030303040405050606070
northeastsouthwest
Solar elevation and azimuth over the course of April 2022. 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 April 2022. 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 April at Grand Canyon National Park Airport

Moon Rise, Set & Phases in April at Grand Canyon National Park AirportApr11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMMarMayMar 210:35 AMMar 210:35 AMMar 1812:18 AMMar 1812:18 AMMar 3111:25 PMMar 3111:25 PMApr 1611:56 AMApr 1611:56 AMApr 301:29 PMApr 301:29 PMMay 159:15 PMMay 159:15 PMMay 304:31 AMMay 304:31 AM7:17 AM7:17 AM6:35 PM6:35 PM6:13 PM6:13 PM7:05 AM7:05 AM6:15 AM6:15 AM6:29 PM6:29 PM6:07 PM6:07 PM6:00 AM6:00 AM5:36 AM5:36 AM7:23 PM7:23 PM7:17 PM7:17 PM5:39 AM5:39 AM5:13 AM5:13 AM8:15 PM8:15 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.
Apr 2022IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
0%6:41 AME7:31 PMW-1:04 PMS241,362 mi
2
3%7:08 AME8:33 PMWNW-1:48 PMS243,876 mi
3
7%7:35 AMENE9:34 PMWNW-2:32 PMS246,289 mi
4
13%8:05 AMENE10:35 PMWNW-3:17 PMS248,412 mi
5
21%8:39 AMENE11:35 PMWNW-4:04 PMS250,058 mi
6
29%9:18 AMENE--4:53 PMS251,059 mi
7
38%-12:32 AMWNW10:02 AMENE5:43 PMS251,286 mi
8
50%-1:25 AMNW10:53 AMNE6:34 PMS250,670 mi
9
58%-2:14 AMWNW11:48 AMENE7:24 PMS249,211 mi
10
68%-2:56 AMWNW12:47 PMENE8:13 PMS246,982 mi
11
77%-3:33 AMWNW1:49 PMENE9:01 PMS244,130 mi
12
85%-4:06 AMWNW2:52 PMENE9:47 PMS240,864 mi
13
92%-4:36 AMWNW3:55 PMENE10:32 PMS237,439 mi
14
97%-5:04 AMW5:00 PME11:18 PMS234,139 mi
15
99%-5:32 AMW6:07 PME--
16
100%-6:00 AMW7:16 PMESE12:04 AMS231,241 mi
17
100%-6:31 AMWSW8:27 PMESE12:54 AMS228,980 mi
18
97%-7:06 AMWSW9:41 PMESE1:47 AMS227,514 mi
19
91%-7:48 AMWSW10:55 PMESE2:45 AMS226,909 mi
20
83%-8:38 AMWSW-3:47 AMS227,128 mi
21
72%12:05 AMSE9:37 AMSW-4:51 AMS228,054 mi
22
61%1:08 AMESE10:43 AMWSW-5:55 AMS229,519 mi
23
50%2:00 AMESE11:53 AMWSW-6:57 AMS231,348 mi
24
38%2:44 AMESE1:03 PMWSW-7:53 AMS233,390 mi
25
27%3:20 AMESE2:11 PMWSW-8:45 AMS235,540 mi
26
18%3:51 AMESE3:16 PMW-9:33 AMS237,730 mi
27
10%4:18 AME4:19 PMW-10:17 AMS239,929 mi
28
5%4:44 AME5:21 PMW-11:00 AMS242,113 mi
29
1%5:10 AME6:22 PMWNW-11:43 AMS244,254 mi
30
0%5:36 AMENE7:23 PMWNW-12:26 PMS246,305 mi

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 at Grand Canyon National Park Airport is essentially constant during April, remaining around 0% throughout.

Humidity Comfort Levels in April at Grand Canyon National Park Airport

Humidity Comfort Levels in April at Grand Canyon National Park AirportApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%MarMayApr 160%Apr 160%Apr 10%Apr 10%Apr 300%Apr 300%drydry
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 at Grand Canyon National Park Airport is essentially constant during April, remaining within 0.1 miles per hour of 9.5 miles per hour throughout.

For reference, on April 10, the windiest day of the year, the daily average wind speed is 9.7 miles per hour, while on August 13, the calmest day of the year, the daily average wind speed is 6.1 miles per hour.

The highest daily average wind speed during April is 9.7 miles per hour on April 11.

Average Wind Speed in April at Grand Canyon National Park Airport

Average Wind Speed in April at Grand Canyon National Park AirportApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 mph0 mph5 mph5 mph10 mph10 mph15 mph15 mphMarMayApr 119.7 mphApr 119.7 mphApr 309.6 mphApr 309.6 mph
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The hourly average wind direction at Grand Canyon National Park Airport throughout April is predominantly from the west, with a peak proportion of 46% on April 30.

Wind Direction in April at Grand Canyon National Park Airport

Wind Direction in April at Grand Canyon National Park AirportApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%20%80%40%60%60%40%80%20%100%0%MarMaywestsoutheastnorth
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).

The growing season at Grand Canyon National Park Airport typically lasts for 3.4 months (105 days), from around June 13 to around September 26, rarely starting before May 25 or after July 1, and rarely ending before September 8 or after October 15.

The month of April at Grand Canyon National Park Airport is reliably fully outside of the growing season.

Time Spent in Various Temperature Bands and the Growing Season in April at Grand Canyon National Park Airport

Time Spent in Various Temperature Bands and the Growing Season in April at Grand Canyon National Park AirportApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%MarMay0%Apr 160%Apr 16May 2510%May 2510%0%Mar 40%Mar 4freezingvery 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.

The average accumulated growing degree days at Grand Canyon National Park Airport are gradually increasing during April, increasing by 109°F, from 70°F to 179°F, over the course of the month.

Growing Degree Days in April at Grand Canyon National Park Airport

The average growing degree days accumulated over the course of April, 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 at Grand Canyon National Park Airport is increasing during April, rising by 1.1 kWh, from 6.5 kWh to 7.6 kWh, over the course of the month.

Average Daily Incident Shortwave Solar Energy in April at Grand Canyon National Park Airport

Average Daily Incident Shortwave Solar Energy in April at Grand Canyon National Park AirportApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWhMarMayApr 16.5 kWhApr 16.5 kWhApr 307.6 kWhApr 307.6 kWhApr 167.1 kWhApr 167.1 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 Grand Canyon National Park Airport are 35.952 deg latitude, -112.147 deg longitude, and 6,568 ft elevation.

The topography within 2 miles of Grand Canyon National Park Airport contains only modest variations in elevation, with a maximum elevation change of 305 feet and an average elevation above sea level of 6,617 feet. Within 10 miles contains only modest variations in elevation (4,892 feet). Within 50 miles also contains extreme variations in elevation (10,850 feet).

The area within 2 miles of Grand Canyon National Park Airport is covered by trees (78%) and shrubs (22%), within 10 miles by trees (63%) and shrubs (35%), and within 50 miles by shrubs (73%) and trees (22%).

This report illustrates the typical weather at Grand Canyon National Park Airport, 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

Grand Canyon National Park Airport has a weather station that reported reliably enough during the analysis period that we have included it in our network. When available, historical temperature and dew point measurements are taken directly from this weather station. These records are obtained from NOAA's Integrated Surface Hourly data set, falling back on ICAO METAR records as required.

In the case of missing or erroneous measurements from this station, we fall back on records from nearby stations, adjusted according to typical seasonal and diurnal intra-station differences. For a given day of the year and hour of the day, the fallback station is selected to minimize the prediction error over the years for which there are measurements for both stations.

The stations on which we may fall back are H.A. Clark Memorial Field, Flagstaff Pulliam Airport, Sedona Airport, Page Municipal Airport, Ernest A. Love Field, Winslow Municipal Airport, and Kingman Airport.

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 © 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.

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