May Weather in Yŏmju-ŭp North Korea

Daily high temperatures increase by 9°F, from 64°F to 73°F, rarely falling below 57°F or exceeding 80°F.

Daily low temperatures increase by 10°F, from 49°F to 59°F, rarely falling below 43°F or exceeding 63°F.

For reference, on August 6, the hottest day of the year, temperatures in Yŏmju-ŭp typically range from 72°F to 82°F, while on January 18, the coldest day of the year, they range from 11°F to 27°F.

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.

East Dubuque, United States (6,339 miles away) is the far-away foreign place with temperatures most similar to Yŏmju-ŭp (view comparison).

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The month of May in Yŏmju-ŭp experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 46% to 42%. The lowest chance of overcast or mostly cloudy conditions is 42% on May 30.

The clearest day of the month is May 30, with clear, mostly clear, or partly cloudy conditions 58% of the time.

For reference, on July 22, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 49%, while on January 22, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 74%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Yŏmju-ŭp, the chance of a wet day over the course of May is essentially constant, remaining around 24% throughout.

For reference, the year's highest daily chance of a wet day is 53% on July 22, and its lowest chance is 2% on January 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 May in Yŏmju-ŭp is increasing, starting the month at 2.3 inches, when it rarely exceeds 4.0 inches or falls below 0.9 inches, and ending the month at 2.8 inches, when it rarely exceeds 5.0 inches or falls below 1.0 inches.

Over the course of May in Yŏmju-ŭp, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 54 minutes, implying an average daily increase of 1 minute, 47 seconds, and weekly increase of 12 minutes, 29 seconds.

The shortest day of the month is May 1, with 13 hours, 54 minutes of daylight and the longest day is May 31, with 14 hours, 48 minutes of daylight.

The latest sunrise of the month in Yŏmju-ŭp is 5:41 AM on May 1 and the earliest sunrise is 26 minutes earlier at 5:15 AM on May 31.

The earliest sunset is 7:36 PM on May 1 and the latest sunset is 27 minutes later at 8:03 PM on May 31.

Daylight saving time is not observed in Yŏmju-ŭp during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 5:13 AM and sets 15 hours, 0 minutes later, at 8:13 PM, while on December 21, the shortest day of the year, it rises at 7:59 AM and sets 9 hours, 20 minutes later, at 5:19 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 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.

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 Yŏmju-ŭp is gradually increasing during May, rising from 0% to 5% over the course of the month.

For reference, on July 31, the muggiest day of the year, there are muggy conditions 91% of the time, while on January 1, 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 Yŏmju-ŭp is decreasing during May, decreasing from 9.7 miles per hour to 8.1 miles per hour over the course of the month.

For reference, on December 10, the windiest day of the year, the daily average wind speed is 10.6 miles per hour, while on August 24, the calmest day of the year, the daily average wind speed is 7.3 miles per hour.

The hourly average wind direction in Yŏmju-ŭp throughout May is predominantly from the south, with a peak proportion of 49% on May 31.

Yŏmju-ŭp 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 Yŏmju-ŭp is rapidly increasing during May, rising by 10°F, from 50°F to 59°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 in Yŏmju-ŭp typically lasts for 7.0 months (213 days), from around March 30 to around October 29, rarely starting before March 14 or after April 15, and rarely ending before October 11 or after November 16.

The month of May in Yŏmju-ŭp 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 Yŏmju-ŭp are increasing during May, increasing by 337°F, from 127°F to 464°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 Yŏmju-ŭp is gradually increasing during May, rising by 0.7 kWh, from 5.8 kWh to 6.5 kWh, over the course of the month.

The highest average daily incident shortwave solar energy during May is 6.5 kWh on May 30.

For the purposes of this report, the geographical coordinates of Yŏmju-ŭp are 39.893 deg latitude, 124.598 deg longitude, and 49 ft elevation.

The topography within 2 miles of Yŏmju-ŭp contains significant variations in elevation, with a maximum elevation change of 686 feet and an average elevation above sea level of 111 feet. Within 10 miles contains significant variations in elevation (2,165 feet). Within 50 miles contains large variations in elevation (3,720 feet).

The area within 2 miles of Yŏmju-ŭp is covered by sparse vegetation (46%), cropland (34%), and bare soil (19%), within 10 miles by sparse vegetation (32%) and cropland (32%), and within 50 miles by water (39%) and trees (26%).