October Weather at Point Hope Airport United States

Daily high temperatures decrease by 12°F, from 36°F to 24°F, rarely falling below 13°F or exceeding 43°F.

Daily low temperatures decrease by 13°F, from 30°F to 17°F, rarely falling below 5°F or exceeding 38°F.

For reference, on July 27, the hottest day of the year, temperatures at Point Hope Airport typically range from 44°F to 51°F, while on February 8, the coldest day of the year, they range from -7°F to 3°F.

The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on October. 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.

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The month of October at Point Hope Airport experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 65% to 72%.

The clearest day of the month is October 1, with clear, mostly clear, or partly cloudy conditions 35% of the time.

For reference, on December 30, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 86%, while on September 17, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 37%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. At Point Hope Airport, the chance of a wet day over the course of October is gradually decreasing, starting the month at 15% and ending it at 12%.

For reference, the year's highest daily chance of a wet day is 27% on July 29, and its lowest chance is 4% on March 17.

Over the course of October at Point Hope Airport, the chance of a day with only rain decreases from 11% to 3%, 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 increases from 2% to 7%.

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 October at Point Hope Airport is gradually decreasing, starting the month at 0.7 inches, when it rarely exceeds 1.5 inches or falls below 0.1 inches, and ending the month at 0.3 inches, when it rarely exceeds 0.8 inches.

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 October at Point Hope Airport is increasing, starting the month at 1.3 inches, when it rarely exceeds 3.5 inches or falls below -0.0 inches, and ending the month at 3.5 inches, when it rarely exceeds 7.9 inches or falls below 0.1 inches.

Due to its extreme latitude, Point Hope 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.

Neither polar day nor polar night occur during the month of October.

Over the course of October at Point Hope 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 4 hours, 5 minutes, implying an average daily decrease of 8 minutes, 10 seconds, and weekly decrease of 57 minutes, 10 seconds.

The shortest day of the month is October 31, with 6 hours, 59 minutes of daylight and the longest day is October 1, with 11 hours, 4 minutes of daylight.

The earliest sunrise of the month at Point Hope Airport is 9:23 AM on October 1 and the latest sunrise is 1 hour, 57 minutes later at 11:20 AM on October 31.

The latest sunset is 8:27 PM on October 1 and the earliest sunset is 2 hours, 8 minutes earlier at 6:19 PM on October 31.

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

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.

The figure below presents a compact representation of key lunar data for October 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.

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 Point Hope Airport is essentially constant during October, remaining around 0% throughout.

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 Point Hope Airport is increasing during October, increasing from 15.9 miles per hour to 17.6 miles per hour over the course of the month.

For reference, on December 3, the windiest day of the year, the daily average wind speed is 18.4 miles per hour, while on June 28, the calmest day of the year, the daily average wind speed is 10.7 miles per hour.

The wind direction at Point Hope Airport during October is predominantly out of the north from October 1 to October 4 and the east from October 4 to October 31.

Point Hope 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 Point Hope Airport is decreasing during October, falling by 6°F, from 40°F to 34°F, over the course of the month.

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 Point Hope Airport typically lasts for 2.9 months (89 days), from around June 19 to around September 17, rarely starting before June 3 or after July 7, and rarely ending before August 29 or after October 4.

The month of October at Point Hope Airport is more likely than not fully outside of the growing season, with the chance that a given day is in the growing season decreasing from 14% to 0% over the course of the month.

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 Point Hope Airport are essentially constant during October, remaining around 52°F throughout.

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 Point Hope Airport is gradually decreasing during October, falling by 0.9 kWh, from 1.1 kWh to 0.3 kWh, over the course of the month.