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April Weather in T’ongch’ŏn-ŭp North Korea

Daily high temperatures increase by 10°F, from 56°F to 67°F, rarely falling below 48°F or exceeding 76°F.

Daily low temperatures increase by 10°F, from 40°F to 50°F, rarely falling below 33°F or exceeding 56°F.

For reference, on August 4, the hottest day of the year, temperatures in T’ongch’ŏn-ŭp typically range from 73°F to 83°F, while on January 19, the coldest day of the year, they range from 22°F to 37°F.

Average High and Low Temperature in April in T’ongch’ŏn-ŭp

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 April. 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 April in T’ongch’ŏn-ŭp

Average Hourly Temperature in April in T’ongch’ŏn-ŭpApr11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 AMMarMayvery coldcoldcoolcomfortable
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.

The Bronx, New York, United States (6,762 miles away) is the far-away foreign place with temperatures most similar to T’ongch’ŏn-ŭp (view comparison).

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Compare T’ongch’ŏn-ŭp to another city:

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The month of April in T’ongch’ŏn-ŭp experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 40% to 45%.

The clearest day of the month is April 8, with clear, mostly clear, or partly cloudy conditions 60% of the time.

For reference, on July 15, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 53%, while on December 26, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 75%.

Cloud Cover Categories in April in T’ongch’ŏn-ŭp

Cloud Cover Categories in April in T’ongch’ŏn-ŭpApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%MarMayApr 160%Apr 160%Apr 3055%Apr 3055%Apr 1159%Apr 1159%Apr 2158%Apr 2158%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. In T’ongch’ŏn-ŭp, the chance of a wet day over the course of April is very rapidly increasing, starting the month at 15% and ending it at 23%.

For reference, the year's highest daily chance of a wet day is 48% on July 24, and its lowest chance is 9% on February 3.

Probability of Precipitation in April in T’ongch’ŏn-ŭp

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 April in T’ongch’ŏn-ŭp is rapidly increasing, starting the month at 1.7 inches, when it rarely exceeds 3.2 inches or falls below 0.4 inches, and ending the month at 3.0 inches, when it rarely exceeds 5.3 inches or falls below 0.9 inches.

Average Monthly Rainfall in April in T’ongch’ŏn-ŭp

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 April in T’ongch’ŏn-ŭp, the length of the day is rapidly increasing. From the start to the end of the month, the length of the day increases by 1 hour, 9 minutes, implying an average daily increase of 2 minutes, 24 seconds, and weekly increase of 16 minutes, 45 seconds.

The shortest day of the month is April 1, with 12 hours, 39 minutes of daylight and the longest day is April 30, with 13 hours, 48 minutes of daylight.

Hours of Daylight and Twilight in April in T’ongch’ŏn-ŭp

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 in T’ongch’ŏn-ŭp is 6:13 AM on April 1 and the earliest sunrise is 41 minutes earlier at 5:31 AM on April 30.

The earliest sunset is 6:52 PM on April 1 and the latest sunset is 28 minutes later at 7:20 PM on April 30.

Daylight saving time is not observed in T’ongch’ŏn-ŭp during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 5:02 AM and sets 14 hours, 54 minutes later, at 7:57 PM, while on December 21, the shortest day of the year, it rises at 7:43 AM and sets 9 hours, 26 minutes later, at 5:09 PM.

Sunrise & Sunset with Twilight in April in T’ongch’ŏn-ŭp

Sunrise & Sunset with Twilight in April in T’ongch’ŏn-ŭpApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930302 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMMarMay5:31 AM5:31 AMApr 307:20 PMApr 307:20 PM6:13 AM6:13 AMApr 16:52 PMApr 16:52 PM5:57 AM5:57 AMApr 117:01 PMApr 117:01 PMSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day over the course of April. 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 April in T’ongch’ŏn-ŭp

Solar Elevation and Azimuth in April in T’ongch’ŏn-ŭpApr11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 AMMarMay0010102020203030404050506000010102020303030404050506060
northeastsouthwest
Solar elevation and azimuth over the course of April 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 April 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 April in T’ongch’ŏn-ŭp

Moon Rise, Set & Phases in April in T’ongch’ŏn-ŭpApr11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMMarMayMar 106:01 PMMar 106:01 PMMar 254:01 PMMar 254:01 PMApr 93:22 AMApr 93:22 AMApr 248:50 AMApr 248:50 AMMay 812:23 PMMay 812:23 PMMay 2310:54 PMMay 2310:54 PM6:48 AM6:48 AM6:24 PM6:24 PM6:45 PM6:45 PM6:44 AM6:44 AM6:06 AM6:06 AM7:45 PM7:45 PM6:37 PM6:37 PM5:32 AM5:32 AM5:03 AM5:03 AM7:52 PM7:52 PM7:39 PM7:39 PM5:05 AM5:05 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.
Apr 2024IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
64%1:03 AMSE9:56 AMSW-5:30 AMS239,655 mi
2
50%2:02 AMSE10:57 AMSW-6:29 AMS236,396 mi
3
41%2:54 AMSE12:06 PMSW-7:30 AMS233,004 mi
4
30%3:38 AMESE1:21 PMWSW-8:29 AMS229,703 mi
5
19%4:14 AMESE2:38 PMWSW-9:26 AMS226,774 mi
6
11%4:45 AMESE3:55 PMWSW-10:19 AMS224,521 mi
7
4%5:13 AME5:11 PMW-11:10 AMS223,219 mi
8
1%5:39 AME6:28 PMW-12:01 PMS223,063 mi
9
0%6:06 AME7:45 PMWNW-12:52 PMS224,122 mi
10
3%6:35 AMENE9:03 PMWNW-1:44 PMS226,319 mi
11
9%7:09 AMENE10:19 PMWNW-2:39 PMS229,441 mi
12
16%7:48 AMENE11:32 PMNW-3:36 PMS233,176 mi
13
26%8:35 AMNE--4:35 PMS237,169 mi
14
36%-12:38 AMNW9:29 AMNE5:32 PMS241,073 mi
15
46%-1:33 AMNW10:30 AMNE6:27 PMS244,598 mi
16
50%-2:18 AMNW11:34 AMENE7:18 PMS247,535 mi
17
66%-2:54 AMWNW12:37 PMENE8:04 PMS249,759 mi
18
75%-3:23 AMWNW1:40 PMENE8:47 PMS251,222 mi
19
83%-3:48 AMWNW2:40 PMENE9:28 PMS251,942 mi
20
89%-4:09 AMWNW3:39 PME10:07 PMS251,981 mi
21
95%-4:29 AMW4:38 PME10:45 PMS251,433 mi
22
98%-4:49 AMW5:37 PME11:24 PMS250,401 mi
23
99%-5:10 AMW6:37 PMESE--
24
100%-5:32 AMWSW7:39 PMESE12:05 AMS248,988 mi
25
100%-5:58 AMWSW8:44 PMESE12:49 AMS247,281 mi
26
97%-6:28 AMWSW9:51 PMESE1:36 AMS245,349 mi
27
93%-7:06 AMSW10:56 PMSE2:28 AMS243,235 mi
28
86%-7:53 AMSW11:57 PMSE3:24 AMS240,967 mi
29
78%-8:50 AMSW-4:24 AMS238,569 mi
30
68%12:51 AMSE9:56 AMSW-5:23 AMS236,077 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 in T’ongch’ŏn-ŭp is essentially constant during April, remaining around 0% throughout.

For reference, on August 3, the muggiest day of the year, there are muggy conditions 94% of the time, while on November 23, the least muggy day of the year, there are muggy conditions 0% of the time.

Humidity Comfort Levels in April in T’ongch’ŏn-ŭp

Humidity Comfort Levels in April in T’ongch’ŏn-ŭpApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%MarMayApr 10%Apr 10%Apr 300%Apr 300%Apr 110%Apr 110%Apr 210%Apr 210%humidhumiddrydrycomfortablecomfortable
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 in T’ongch’ŏn-ŭp is gradually decreasing during April, decreasing from 9.8 miles per hour to 9.2 miles per hour over the course of the month.

For reference, on December 28, the windiest day of the year, the daily average wind speed is 12.9 miles per hour, while on June 20, the calmest day of the year, the daily average wind speed is 6.5 miles per hour.

Average Wind Speed in April in T’ongch’ŏn-ŭp

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 in T’ongch’ŏn-ŭp throughout April is predominantly from the west, with a peak proportion of 61% on April 8.

Wind Direction in April in T’ongch’ŏn-ŭp

Wind Direction in April in T’ongch’ŏn-ŭpApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%20%80%40%60%60%40%80%20%100%0%MarMaywesteastsouthnorth
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).

T’ongch’ŏn-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 T’ongch’ŏn-ŭp is increasing during April, rising by 6°F, from 45°F to 51°F, over the course of the month.

Average Water Temperature in April in T’ongch’ŏn-ŭp

Average Water Temperature in April in T’ongch’ŏn-ŭpApr11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303035°F35°F40°F40°F45°F45°F50°F50°F55°F55°F60°F60°F65°F65°FMarMayApr 145°FApr 145°FApr 3051°FApr 3051°FApr 1146°FApr 1146°FApr 2148°FApr 2148°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 in T’ongch’ŏn-ŭp typically lasts for 7.6 months (234 days), from around March 27 to around November 15, rarely starting before March 11 or after April 12, and rarely ending before October 26 or after December 4.

The month of April in T’ongch’ŏn-ŭp is more likely than not fully within the growing season, with the chance that a given day is in the growing season rapidly increasing from 65% to 100% over the course of the month.

Time Spent in Various Temperature Bands and the Growing Season in April in T’ongch’ŏn-ŭp

Time Spent in Various Temperature Bands and the Growing Season in April in T’ongch’ŏn-ŭpgrowing seasonApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%MarMay65%Apr 165%Apr 1100%Apr 30100%Apr 3089%Apr 1189%Apr 1198%Apr 2198%Apr 21Mar 1110%Mar 1110%freezingvery coldcoldcoolcomfortablewarm
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 in T’ongch’ŏn-ŭp are gradually increasing during April, increasing by 155°F, from 34°F to 190°F, over the course of the month.

Growing Degree Days in April in T’ongch’ŏn-ŭp

The average growing degree days accumulated over the course of April, 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 in T’ongch’ŏn-ŭp is gradually increasing during April, rising by 0.7 kWh, from 5.3 kWh to 6.0 kWh, over the course of the month.

Average Daily Incident Shortwave Solar Energy in April in T’ongch’ŏn-ŭp

Average Daily Incident Shortwave Solar Energy in April in T’ongch’ŏn-ŭpApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWhMarMayApr 15.3 kWhApr 15.3 kWhApr 306.0 kWhApr 306.0 kWhApr 115.6 kWhApr 115.6 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.

For the purposes of this report, the geographical coordinates of T’ongch’ŏn-ŭp are 38.954 deg latitude, 127.892 deg longitude, and 20 ft elevation.

The topography within 2 miles of T’ongch’ŏn-ŭp contains only modest variations in elevation, with a maximum elevation change of 433 feet and an average elevation above sea level of 39 feet. Within 10 miles contains only modest variations in elevation (3,517 feet). Within 50 miles also contains extreme variations in elevation (5,400 feet).

The area within 2 miles of T’ongch’ŏn-ŭp is covered by water (48%), cropland (20%), sparse vegetation (14%), and bare soil (11%), within 10 miles by water (50%) and trees (20%), and within 50 miles by water (52%) and trees (27%).

This report illustrates the typical weather in T’ongch’ŏn-ŭp, 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

There are 2 weather stations near enough to contribute to our estimation of the temperature and dew point in T’ongch’ŏn-ŭp.

For each station, the records are corrected for the elevation difference between that station and T’ongch’ŏn-ŭp according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

The estimated value at T’ongch’ŏn-ŭp is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between T’ongch’ŏn-ŭp and a given station.

The stations contributing to this reconstruction are:

  • Keo Jin (RKNO, 53%, 46 mi, southeast, 331 ft elevation change)
  • Hoengsong Ab (RKNH, 47%, 50 mi, south, 325 ft elevation change)

To get a sense of how much these sources agree with each other, you can view a comparison of T’ongch’ŏn-ŭp and the stations that contribute to our estimates of its temperature history and climate. Please note that each source's contribution is adjusted for elevation and the relative change present in the MERRA-2 data.

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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