August Weather in Yanggu South Korea

Daily high temperatures decrease by 5°F, from 84°F to 79°F, rarely falling below 72°F or exceeding 91°F. The highest daily average high temperature is 84°F on August 4.

Daily low temperatures decrease by 6°F, from 70°F to 63°F, rarely falling below 58°F or exceeding 74°F. The highest daily average low temperature is 70°F on August 3.

For reference, on August 3, the hottest day of the year, temperatures in Yanggu typically range from 70°F to 84°F, while on January 19, the coldest day of the year, they range from 12°F to 33°F.

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.

Winterset, United States (6,350 miles away) is the far-away foreign place with temperatures most similar to Yanggu (view comparison).

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The month of August in Yanggu experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 52% to 48%.

The clearest day of the month is August 31, with clear, mostly clear, or partly cloudy conditions 52% of the time.

For reference, on July 13, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 56%, while on October 18, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 67%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Yanggu, the chance of a wet day over the course of August is rapidly decreasing, starting the month at 48% and ending it at 42%.

For reference, the year's highest daily chance of a wet day is 52% on July 21, and its lowest chance is 10% on December 27.

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 in Yanggu is very rapidly decreasing, starting the month at 10.5 inches, when it rarely exceeds 17.6 inches or falls below 5.1 inches, and ending the month at 8.5 inches, when it rarely exceeds 16.7 inches or falls below 3.2 inches.

Over the course of August in Yanggu, the length of the day is rapidly decreasing. From the start to the end of the month, the length of the day decreases by 1 hour, 4 minutes, implying an average daily decrease of 2 minutes, 9 seconds, and weekly decrease of 15 minutes, 2 seconds.

The shortest day of the month is August 31, with 13 hours, 2 minutes of daylight and the longest day is August 1, with 14 hours, 7 minutes of daylight.

The earliest sunrise of the month in Yanggu is 5:30 AM on August 1 and the latest sunrise is 26 minutes later at 5:56 AM on August 31.

The latest sunset is 7:37 PM on August 1 and the earliest sunset is 38 minutes earlier at 6:59 PM on August 31.

Daylight saving time is not observed in Yanggu during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 5:05 AM and sets 14 hours, 49 minutes later, at 7:54 PM, while on December 21, the shortest day of the year, it rises at 7:40 AM and sets 9 hours, 31 minutes later, at 5:11 PM.

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 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.

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 in Yanggu is very rapidly decreasing during August, falling from 88% to 48% over the course of the month.

The highest chance of a muggy day during August is 88% on August 2.

For reference, on August 2, the muggiest day of the year, there are muggy conditions 88% of the time, while on October 30, the least muggy day of the year, there are muggy conditions 0% of the time.

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 Yanggu is essentially constant during August, remaining within 0.2 miles per hour of 6.6 miles per hour throughout.

For reference, on April 20, the windiest day of the year, the daily average wind speed is 8.6 miles per hour, while on September 18, the calmest day of the year, the daily average wind speed is 6.0 miles per hour.

The wind direction in Yanggu during August is predominantly out of the west from August 1 to August 11 and the east from August 11 to August 31.

Yanggu 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 in Yanggu is essentially constant during August, remaining within 1°F of 74°F throughout.

The highest average surface water temperature during August is 75°F on August 12.

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 Yanggu typically lasts for 6.5 months (198 days), from around April 10 to around October 24, rarely starting before March 25 or after April 26, and rarely ending before October 8 or after November 10.

The month of August in Yanggu is reliably fully 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 in Yanggu are rapidly increasing during August, increasing by 725°F, from 1,895°F to 2,621°F, over the course of the month.

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 in Yanggu is gradually decreasing during August, falling by 0.7 kWh, from 5.8 kWh to 5.1 kWh, over the course of the month.

For the purposes of this report, the geographical coordinates of Yanggu are 38.106 deg latitude, 127.989 deg longitude, and 630 ft elevation.

The topography within 2 miles of Yanggu contains very significant variations in elevation, with a maximum elevation change of 1,677 feet and an average elevation above sea level of 927 feet. Within 10 miles contains very significant variations in elevation (3,366 feet). Within 50 miles also contains extreme variations in elevation (5,568 feet).

The area within 2 miles of Yanggu is covered by sparse vegetation (39%), trees (28%), grassland (17%), and cropland (17%), within 10 miles by trees (57%) and grassland (25%), and within 50 miles by trees (57%) and water (14%).