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May Weather at Cape Lisburne LRRS Airport Alaska, United States

Daily high temperatures increase by 14°F, from 24°F to 39°F, rarely falling below 13°F or exceeding 49°F.

Daily low temperatures increase by 15°F, from 16°F to 31°F, rarely falling below 3°F or exceeding 37°F.

For reference, on July 27, the hottest day of the year, temperatures at Cape Lisburne LRRS Airport typically range from 44°F to 52°F, while on February 8, the coldest day of the year, they range from -9°F to 1°F.

Average High and Low Temperature in May at Cape Lisburne LRRS Airport

Average High and Low Temperature in May at Cape Lisburne LRRS AirportMay1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930303131-20°F-20°F-10°F-10°F0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°FAprJunMay 124°FMay 124°F16°F16°FMay 3139°FMay 3139°F31°F31°FMay 1130°FMay 1130°F22°F22°FMay 2135°FMay 2135°F27°F27°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 May. 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 May at Cape Lisburne LRRS Airport

Average Hourly Temperature in May at Cape Lisburne LRRS AirportMay112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMAprJunfrigidfreezingvery cold
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.
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The month of May at Cape Lisburne LRRS Airport experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 71% throughout the month. The lowest chance of overcast or mostly cloudy conditions is 69% on May 29.

The clearest day of the month is May 29, with clear, mostly clear, or partly cloudy conditions 31% of the time.

For reference, on January 6, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 88%, while on September 17, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 36%.

Cloud Cover Categories in May at Cape Lisburne LRRS Airport

Cloud Cover Categories in May at Cape Lisburne LRRS AirportMay11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%AprJunJan 612%Jan 612%May 127%May 127%May 3131%May 3131%May 1131%May 1131%May 2130%May 2130%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 Cape Lisburne LRRS Airport, the chance of a wet day over the course of May is increasing, starting the month at 8% and ending it at 13%.

For reference, the year's highest daily chance of a wet day is 27% on August 7, and its lowest chance is 3% on March 17.

Over the course of May at Cape Lisburne LRRS Airport, the chance of a day with only rain increases from 3% to 9%, 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 decreases from 4% to 1%.

Probability of Precipitation in May at Cape Lisburne LRRS Airport

Probability of Precipitation in May at Cape Lisburne LRRS AirportMay11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%2%2%4%4%6%6%8%8%10%10%12%12%14%14%16%16%AprJunMay 18%May 18%May 3113%May 3113%May 1110%May 1110%May 2113%May 2113%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 May at Cape Lisburne LRRS Airport is gradually increasing, starting the month at 0.1 inches, when it rarely exceeds 0.5 inches, and ending the month at 0.5 inches, when it rarely exceeds 1.0 inches or falls below 0.1 inches.

Average Monthly Rainfall in May at Cape Lisburne LRRS Airport

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 May at Cape Lisburne LRRS Airport is gradually decreasing, starting the month at 2.1 inches, when it rarely exceeds 6.0 inches or falls below -0.0 inches, and ending the month at 1.4 inches, when it rarely exceeds 3.7 inches or falls below -0.0 inches.

The highest average 31-day accumulation is 2.1 inches on May 6.

Average Monthly Snowfall in May at Cape Lisburne LRRS 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.

Due to its extreme latitude, Cape Lisburne LRRS Airport experiences polar day (also known as the midnight Sun) during the summer and polar night during the winter. These are periods of time in which the sun is continuously above or below the horizon for more than one day. The precise start and end dates of polar day and night vary from year to year and depend on the precise location and elevation of the observer, and the local topography.

In the summer at Cape Lisburne LRRS Airport during 2024, the Sun is continuously above the horizon for 2.0 months, rising at 3:28 AM on May 20, and not setting again until 2:41 AM on July 22. As such, polar day begins in May and lasts beyond the end of the month.

The shortest day of the month is May 1, with 18 hours, 34 minutes of daylight.

Hours of Daylight and Twilight in May at Cape Lisburne LRRS Airport

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 Cape Lisburne LRRS Airport is 5:46 AM on May 1 and the earliest sunrise is 2 hours, 18 minutes earlier at 3:28 AM on May 20.

The earliest sunset is 12:20 AM on May 1 and the latest sunset is 2 hours, 12 minutes later at 2:32 AM on May 19.

Daylight saving time is observed at Cape Lisburne LRRS Airport during 2024, but it neither starts nor ends during May, so the entire month is in standard time.

Sunrise & Sunset with Twilight in May at Cape Lisburne LRRS Airport

Sunrise & Sunset with Twilight in May at Cape Lisburne LRRS AirportMay11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031314 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM2 AMAprJun3:28 AM3:28 AM2:32 AMMay 192:32 AMMay 195:46 AM5:46 AM12:20 AMMay 112:20 AMMay 1SolarMidnightSolarMidnightSolarNoon
The solar day over the course of May. 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 May at Cape Lisburne LRRS Airport

Solar Elevation and Azimuth in May at Cape Lisburne LRRS AirportMay112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMAprJun01010202020303040010102020303040
northeastsouthwest
Solar elevation and azimuth over the course of May 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 May 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 May at Cape Lisburne LRRS Airport

Moon Rise, Set & Phases in May at Cape Lisburne LRRS AirportMay112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMAprJunApr 810:22 AMApr 810:22 AMApr 233:50 PMApr 233:50 PMMay 77:23 PMMay 77:23 PMJun 64:38 AMJun 64:38 AM7:44 AM7:44 AM11:43 PM11:43 PM5:47 AM5:47 AM5:03 AM5:03 AM12:00 AM12:00 AM12:00 AM12:00 AM12:00 AM12:00 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.
May 2024IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
50%8:54 AMS10:45 AMSSW-9:49 AMS231,543 mi
2
36%7:34 AMSE1:56 PMSW-10:44 AMS229,281 mi
3
24%6:59 AMESE4:17 PMWSW-11:35 AMS227,412 mi
4
15%6:33 AME6:29 PMW-12:25 PMS226,141 mi
5
7%6:08 AME8:43 PMWNW-1:14 PMS225,660 mi
6
2%5:41 AMENE11:11 PMNW-2:03 PMS226,108 mi
7
0%5:03 AMNE--2:55 PMS227,527 mi
8
1%3:49 PMS229,850 mi
9
5%4:46 PMS232,893 mi
10
11%5:43 PMS236,387 mi
11
19%6:39 PMS240,018 mi
12
28%7:32 PMS243,479 mi
13
37%8:21 PMS246,503 mi
14
47%-7:54 AMNNW10:03 AMNNE9:06 PMS248,891 mi
15
50%-6:46 AMNW12:43 PMNE9:47 PMS250,518 mi
16
67%-6:14 AMWNW2:41 PMENE10:27 PMS251,329 mi
17
75%-5:51 AMWNW4:27 PME11:05 PMS251,339 mi
18
83%-5:30 AMW6:11 PME11:44 PMS250,617 mi
19
87%-5:09 AMWSW7:57 PMESE--
20
90%-4:46 AMWSW9:56 PMSE12:24 AMS249,278 mi
21
95%-4:15 AMSW-1:06 AMS247,464 mi
22
99%12:30 AMSSE3:15 AMSSW-1:53 AMS245,331 mi
23
100%2:44 AMS243,033 mi
24
99%3:40 AMS240,707 mi
25
96%4:41 AMS238,462 mi
26
90%5:44 AMS236,373 mi
27
82%6:46 AMS234,479 mi
28
73%7:45 AMS232,800 mi
29
62%5:58 AMSE11:22 AMSW-8:40 AMS231,350 mi
30
50%5:19 AMSE1:47 PMWSW-9:31 AMS230,158 mi
31
38%4:52 AMESE3:56 PMW-10:20 AMS229,278 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 Cape Lisburne LRRS Airport is essentially constant during May, remaining around 0% throughout.

Humidity Comfort Levels in May at Cape Lisburne LRRS Airport

Humidity Comfort Levels in May at Cape Lisburne LRRS AirportMay11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%AprJunMay 160%May 160%May 10%May 10%May 310%May 310%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 Cape Lisburne LRRS Airport is decreasing during May, decreasing from 13.7 miles per hour to 11.9 miles per hour over the course of the month.

For reference, on December 18, the windiest day of the year, the daily average wind speed is 18.0 miles per hour, while on June 28, the calmest day of the year, the daily average wind speed is 10.7 miles per hour.

Average Wind Speed in May at Cape Lisburne LRRS 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 Cape Lisburne LRRS Airport throughout May is predominantly from the north, with a peak proportion of 38% on May 1.

Wind Direction in May at Cape Lisburne LRRS Airport

Wind Direction in May at Cape Lisburne LRRS AirportNSMay11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%AprJunsouthnortheastwest
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).

Cape Lisburne LRRS Airport 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 surface water temperature at Cape Lisburne LRRS Airport is gradually increasing during May, rising by 2°F, from 30°F to 32°F, over the course of the month.

Average Water Temperature in May at Cape Lisburne LRRS Airport

Average Water Temperature in May at Cape Lisburne LRRS AirportMay112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313128°F28°F30°F30°F32°F32°F34°F34°F36°F36°F38°F38°F40°F40°F42°F42°F44°F44°FAprJunMay 130°FMay 130°FMay 3132°FMay 3132°FMay 1130°FMay 1130°FMay 2131°FMay 2131°F
The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.

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 Cape Lisburne LRRS Airport typically lasts for 3.0 months (90 days), from around June 19 to around September 17, rarely starting before May 31 or after July 9, and rarely ending before August 27 or after October 6.

The month of May at Cape Lisburne LRRS Airport is very likely fully outside of the growing season, with the chance that a given day is in the growing season gradually increasing from 0% to 9% over the course of the month.

Time Spent in Various Temperature Bands and the Growing Season in May at Cape Lisburne LRRS Airport

Time Spent in Various Temperature Bands and the Growing Season in May at Cape Lisburne LRRS AirportMay11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%AprJunMay 10%May 10%May 319%May 319%May 110%May 110%May 211%May 211%50%Jun 1950%Jun 19frigidfreezingvery coldcoldcool
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 Cape Lisburne LRRS Airport are essentially constant during May, remaining around 0°F throughout.

Growing Degree Days in May at Cape Lisburne LRRS Airport

Growing Degree Days in May at Cape Lisburne LRRS AirportMay11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310.0°F0.0°F0.2°F0.2°F0.4°F0.4°F0.6°F0.6°F0.8°F0.8°F1.0°F1.0°FAprJunMay 10°FMay 10°FMay 310°FMay 310°FMay 110°FMay 110°FMay 210°FMay 210°F
The average growing degree days accumulated over the course of May, 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 Cape Lisburne LRRS Airport is gradually increasing during May, rising by 0.8 kWh, from 4.6 kWh to 5.4 kWh, over the course of the month.

The highest average daily incident shortwave solar energy during May is 5.4 kWh on May 29.

Average Daily Incident Shortwave Solar Energy in May at Cape Lisburne LRRS Airport

Average Daily Incident Shortwave Solar Energy in May at Cape Lisburne LRRS AirportMay11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWhAprJunMay 295.4 kWhMay 295.4 kWhMay 14.6 kWhMay 14.6 kWhMay 115.1 kWhMay 115.1 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 Cape Lisburne LRRS Airport are 68.875 deg latitude, -166.110 deg longitude, and 10 ft elevation.

The topography within 2 miles of Cape Lisburne LRRS Airport contains very significant variations in elevation, with a maximum elevation change of 1,539 feet and an average elevation above sea level of 306 feet. Within 10 miles contains very significant variations in elevation (2,021 feet). Within 50 miles also contains large variations in elevation (2,136 feet).

The area within 2 miles of Cape Lisburne LRRS Airport is covered by water (48%), sparse vegetation (24%), and bare soil (13%), within 10 miles by water (69%) and sparse vegetation (12%), and within 50 miles by water (72%) and shrubs (16%).

This report illustrates the typical weather at Cape Lisburne LRRS 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

Cape Lisburne LRRS 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 Point Hope Airport, Kivalina Airport, and Point Lay LRRS 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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