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August Weather at Chulitna, Chulitna Airport Alaska, United States

Daily high temperatures decrease by 6°F, from 64°F to 57°F, rarely falling below 51°F or exceeding 73°F.

Daily low temperatures decrease by 7°F, from 50°F to 43°F, rarely falling below 37°F or exceeding 55°F.

For reference, on July 6, the hottest day of the year, temperatures at Chulitna, Chulitna Airport typically range from 51°F to 66°F, while on January 18, the coldest day of the year, they range from 8°F to 19°F.

Average High and Low Temperature in August at Chulitna, Chulitna Airport

Average High and Low Temperature in August at Chulitna, Chulitna AirportAug112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313120°F20°F25°F25°F30°F30°F35°F35°F40°F40°F45°F45°F50°F50°F55°F55°F60°F60°F65°F65°F70°F70°F75°F75°FJulSepAug 164°FAug 164°F50°F50°FAug 3157°FAug 3157°F43°F43°FAug 1162°FAug 1162°F48°F48°FAug 2160°FAug 2160°F46°F46°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 August. 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 August at Chulitna, Chulitna Airport

Average Hourly Temperature in August at Chulitna, Chulitna AirportAug112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMJulSepvery coldcoldcoolcool
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.

Sorsele, Sweden (3,545 miles away) is the far-away foreign place with temperatures most similar to Chulitna, Chulitna Airport (view comparison).

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The month of August at Chulitna, Chulitna Airport experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 68% throughout the month. The lowest chance of overcast or mostly cloudy conditions is 66% on August 27.

The clearest day of the month is August 27, with clear, mostly clear, or partly cloudy conditions 34% of the time.

For reference, on July 24, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 71%, while on March 15, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 46%.

Cloud Cover Categories in August at Chulitna, Chulitna Airport

Cloud Cover Categories in August at Chulitna, Chulitna AirportAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JulSepJul 2429%Jul 2429%Aug 130%Aug 130%Aug 3134%Aug 3134%Aug 1132%Aug 1132%Aug 2134%Aug 2134%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 Chulitna, Chulitna Airport, the chance of a wet day over the course of August is decreasing, starting the month at 50% and ending it at 46%.

For reference, the year's highest daily chance of a wet day is 51% on July 30, and its lowest chance is 18% on March 27.

Probability of Precipitation in August at Chulitna, Chulitna Airport

Probability of Precipitation in August at Chulitna, Chulitna AirportAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%5%5%10%10%15%15%20%20%25%25%30%30%35%35%40%40%45%45%50%50%55%55%JulSepAug 150%Aug 150%Aug 3146%Aug 3146%Aug 1149%Aug 1149%Aug 2146%Aug 2146%rainmixed
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 August at Chulitna, Chulitna Airport is gradually decreasing, starting the month at 4.8 inches, when it rarely exceeds 7.0 inches or falls below 2.4 inches, and ending the month at 4.4 inches, when it rarely exceeds 7.1 inches or falls below 2.3 inches.

The highest average 31-day accumulation is 4.8 inches on August 6.

Average Monthly Rainfall in August at Chulitna, Chulitna Airport

Average Monthly Rainfall in August at Chulitna, Chulitna AirportAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 in0 in1 in1 in2 in2 in3 in3 in4 in4 in5 in5 in6 in6 in7 in7 in8 in8 inJulSepAug 54.8 inAug 54.8 inAug 314.4 inAug 314.4 inAug 214.6 inAug 214.6 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.

Over the course of August at Chulitna, Chulitna Airport, the length of the day is very rapidly decreasing. From the start to the end of the month, the length of the day decreases by 3 hours, 2 minutes, implying an average daily decrease of 6 minutes, 5 seconds, and weekly decrease of 42 minutes, 33 seconds.

The shortest day of the month is August 31, with 14 hours, 26 minutes of daylight and the longest day is August 1, with 17 hours, 28 minutes of daylight.

Hours of Daylight and Twilight in August at Chulitna, Chulitna Airport

Hours of Daylight and Twilight in August at Chulitna, Chulitna AirportAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrJulSepnightnightdaydayAug 117 hr, 28 minAug 117 hr, 28 minAug 3114 hr, 26 minAug 3114 hr, 26 minAug 1615 hr, 58 minAug 1615 hr, 58 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 earliest sunrise of the month at Chulitna, Chulitna Airport is 5:20 AM on August 1 and the latest sunrise is 1 hour, 25 minutes later at 6:45 AM on August 31.

The latest sunset is 10:48 PM on August 1 and the earliest sunset is 1 hour, 37 minutes earlier at 9:11 PM on August 31.

Daylight saving time is observed at Chulitna, Chulitna Airport during 2024, but it neither starts nor ends during August, so the entire month is in standard time.

For reference, on June 20, the longest day of the year, the Sun rises at 3:53 AM and sets 20 hours, 15 minutes later, at 12:08 AM, while on December 21, the shortest day of the year, it rises at 10:34 AM and sets 4 hours, 46 minutes later, at 3:20 PM.

Sunrise & Sunset with Twilight in August at Chulitna, Chulitna Airport

Sunrise & Sunset with Twilight in August at Chulitna, Chulitna AirportAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031312 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM2 AMJulSep5:20 AM5:20 AMAug 110:48 PMAug 110:48 PM6:45 AM6:45 AMAug 319:11 PMAug 319:11 PM5:49 AM5:49 AM6:17 AM6:17 AMAug 219:44 PMAug 219:44 PMSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day over the course of August. 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 August at Chulitna, Chulitna Airport

Solar Elevation and Azimuth in August at Chulitna, Chulitna AirportAug112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMJulSep00101020202030304000010102020303040
northeastsouthwest
Solar elevation and azimuth over the course of August 2024. 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 August 2024. 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 August at Chulitna, Chulitna Airport

Moon Rise, Set & Phases in August at Chulitna, Chulitna AirportAug112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMJulSepJul 52:58 PMJul 52:58 PMJul 212:18 AMJul 212:18 AMAug 43:14 AMAug 43:14 AMAug 1910:26 AMAug 1910:26 AMSep 25:56 PMSep 25:56 PMSep 176:35 PMSep 176:35 PM12:00 AM12:00 AM12:00 AM12:00 AM5:03 AM5:03 AM11:17 PM11:17 PM10:23 PM10:23 PM5:32 AM5:32 AM6:02 AM6:02 AM9:17 PM9:17 PM8:15 PM8:15 PM8:36 AM8:36 AM
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.
Aug 2024IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
7%11:55 AMS241,159 mi
2
3%-11:42 PMNNW-12:49 PMS243,365 mi
3
0%3:04 AMNNE11:27 PMNW-1:40 PMS245,484 mi
4
0%5:03 AMNE11:17 PMNW-2:26 PMS247,454 mi
5
2%6:47 AMNE11:09 PMWNW-3:10 PMS249,187 mi
6
6%8:22 AMENE11:03 PMWNW-3:50 PMS250,575 mi
7
11%9:52 AME10:56 PMW-4:29 PMS251,498 mi
8
18%11:19 AME10:49 PMW-5:08 PMS251,839 mi
9
27%12:46 PMESE10:43 PMWSW-5:47 PMS251,493 mi
10
36%2:17 PMESE10:35 PMSW-6:27 PMS250,388 mi
11
45%3:55 PMSE10:27 PMSW-7:11 PMS248,498 mi
12
50%5:43 PMSSE10:15 PMSSW-7:59 PMS245,862 mi
13
65%7:55 PMSSE9:49 PMSSW-8:52 PMS242,586 mi
14
75%9:51 PMS238,863 mi
15
84%10:53 PMS234,959 mi
16
92%11:06 PMS--11:56 PMS231,207 mi
17
95%-12:46 AMSSW10:36 PMSSE--
18
97%-3:21 AMSSW10:23 PMSE12:58 AMS227,955 mi
19
100%-5:32 AMSW10:14 PMESE1:57 AMS225,518 mi
20
99%-7:33 AMWSW10:07 PMESE2:52 AMS224,119 mi
21
96%-9:28 AMW9:59 PME3:43 AMS223,853 mi
22
89%-11:21 AMWNW9:52 PMENE4:33 AMS224,681 mi
23
80%-1:15 PMWNW9:44 PMNE5:22 AMS226,444 mi
24
70%-3:14 PMNW9:34 PMNE6:12 AMS228,906 mi
25
59%-5:24 PMNNW9:19 PMNNE7:05 AMS231,804 mi
26
50%7:59 AMS234,884 mi
27
36%8:55 AMS237,942 mi
28
26%9:51 AMS240,829 mi
29
17%-10:06 PMNNW-10:45 AMS243,454 mi
30
10%12:31 AMNNE9:44 PMNNW-11:36 AMS245,774 mi
31
5%2:37 AMNE9:33 PMNW-12:24 PMS247,773 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 Chulitna, Chulitna Airport is essentially constant during August, remaining around 0% throughout.

For reference, on June 29, the muggiest day of the year, there are muggy conditions 0% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.

Humidity Comfort Levels in August at Chulitna, Chulitna Airport

Humidity Comfort Levels in August at Chulitna, Chulitna AirportAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%JulSepAug 10%Aug 10%Aug 310%Aug 310%Aug 110%Aug 110%Aug 210%Aug 210%drydrycomfortablecomfortable
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 Chulitna, Chulitna Airport is essentially constant during August, remaining within 0.1 miles per hour of 5.3 miles per hour throughout.

For reference, on January 21, the windiest day of the year, the daily average wind speed is 8.1 miles per hour, while on May 2, the calmest day of the year, the daily average wind speed is 4.9 miles per hour.

Average Wind Speed in August at Chulitna, Chulitna Airport

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 Chulitna, Chulitna Airport throughout August is predominantly from the south, with a peak proportion of 55% on August 1.

Wind Direction in August at Chulitna, Chulitna Airport

Wind Direction in August at Chulitna, Chulitna AirportAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%JulSepwestsouthnortheast
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 Chulitna, Chulitna Airport typically lasts for 4.4 months (136 days), from around May 8 to around September 21, rarely starting before April 21 or after May 25, and rarely ending before September 2 or after October 8.

The month of August at Chulitna, Chulitna Airport is very likely fully within the growing season, with the chance that a given day is in the growing season gradually decreasing from 100% to 93% over the course of the month.

Time Spent in Various Temperature Bands and the Growing Season in August at Chulitna, Chulitna Airport

Time Spent in Various Temperature Bands and the Growing Season in August at Chulitna, Chulitna Airportgrowing seasonAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JulSep100%Aug 1100%Aug 193%Aug 3193%Aug 31100%Aug 11100%Aug 1198%Aug 2198%Aug 2150%Sep 2150%Sep 21Jul 16100%Jul 16100%very coldcoldcoolfreezing
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 Chulitna, Chulitna Airport are gradually increasing during August, increasing by 132°F, from 472°F to 603°F, over the course of the month.

Growing Degree Days in August at Chulitna, Chulitna Airport

Growing Degree Days in August at Chulitna, Chulitna AirportAug1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930303131350°F350°F400°F400°F450°F450°F500°F500°F550°F550°F600°F600°F650°F650°F700°F700°F750°F750°F800°F800°FJulSepAug 1472°FAug 1472°FAug 31603°FAug 31603°FAug 11530°FAug 11530°FAug 21574°FAug 21574°F
The average growing degree days accumulated over the course of August, 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 Chulitna, Chulitna Airport is decreasing during August, falling by 1.2 kWh, from 4.3 kWh to 3.1 kWh, over the course of the month.

Average Daily Incident Shortwave Solar Energy in August at Chulitna, Chulitna Airport

Average Daily Incident Shortwave Solar Energy in August at Chulitna, Chulitna AirportAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWhJulSepAug 14.3 kWhAug 14.3 kWhAug 313.1 kWhAug 313.1 kWhAug 113.9 kWhAug 113.9 kWhAug 213.6 kWhAug 213.6 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.

This report illustrates the typical weather at Chulitna, Chulitna 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

Chulitna, Chulitna 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 include but are not limited to Talkeetna Airport, New Wasilla Airport, McKinley National Park Airport, Birchwood Airport, Palmer Municipal Airport, Elmendorf Air Force Base, Bryant Army Heliport, and Merrill Field 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 © OpenStreetMap contributors.

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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