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Summer Weather in Ocheon South Korea

Daily high temperatures are around 81°F, rarely falling below 66°F or exceeding 94°F. The highest daily average high temperature is 86°F on July 29.

Daily low temperatures increase by 8°F, from 61°F to 69°F, rarely falling below 55°F or exceeding 79°F. The highest daily average low temperature is 74°F on August 3.

For reference, on July 29, the hottest day of the year, temperatures in Ocheon typically range from 74°F to 86°F, while on January 19, the coldest day of the year, they range from 28°F to 42°F.

Average High and Low Temperature in the Summer in Ocheon

Average High and Low Temperature in the Summer in OcheonJunJulAug45°F45°F50°F50°F55°F55°F60°F60°F65°F65°F70°F70°F75°F75°F80°F80°F85°F85°F90°F90°F95°F95°FSpringFallJul 2986°FJul 2986°F74°F74°FJun 177°FJun 177°F61°F61°FAug 3180°FAug 3180°F69°F69°FJul 180°FJul 180°F69°F69°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 summer temperatures. 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 the Summer in Ocheon

Average Hourly Temperature in the Summer in OcheonJunJulAug12 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 AMSpringFallcoolcoolcoolcomfortablewarmwarmcool
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.

Mayo, Maryland, United States (7,014 miles away) is the far-away foreign place with temperatures most similar to Ocheon (view comparison).

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The summer in Ocheon experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 55% throughout the season. The highest chance of overcast or mostly cloudy conditions is 62% on July 1.

The clearest day of the summer is June 1, with clear, mostly clear, or partly cloudy conditions 52% of the time.

For reference, on July 1, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 62%, while on December 16, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 75%.

Cloud Cover Categories in the Summer in Ocheon

Cloud Cover Categories in the Summer in OcheonJunJulAug0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%SpringFallDec 1675%Dec 1675%Jun 152%Jun 152%Aug 3151%Aug 3151%Jul 138%Jul 138%Aug 148%Aug 148%clearmostly clearpartly cloudyovercastmostly cloudy
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 Ocheon, the chance of a wet day over the course of the summer is very rapidly increasing, starting the season at 23% and ending it at 40%.

For reference, the year's highest daily chance of a wet day is 46% on July 6, and its lowest chance is 11% on December 28.

Probability of Precipitation in the Summer in Ocheon

Probability of Precipitation in the Summer in OcheonJunJulAug0%0%5%5%10%10%15%15%20%20%25%25%30%30%35%35%40%40%45%45%50%50%SpringFallJul 546%Jul 546%Jun 123%Jun 123%Aug 3140%Aug 3140%Aug 138%Aug 138%rain
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 season and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during the summer in Ocheon is very rapidly increasing, starting the season at 3.8 inches, when it rarely exceeds 6.2 inches or falls below 1.4 inches, and ending the season at 6.6 inches, when it rarely exceeds 11.6 inches or falls below 1.6 inches.

The highest average 31-day accumulation is 7.6 inches on July 6.

Average Monthly Rainfall in the Summer in Ocheon

Average Monthly Rainfall in the Summer in OcheonJunJulAug0 in0 in2 in2 in4 in4 in6 in6 in8 in8 in10 in10 in12 in12 in14 in14 inSpringFallJul 67.6 inJul 67.6 inJun 13.8 inJun 13.8 inAug 316.6 inAug 316.6 inAug 16.3 inAug 16.3 in
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 the summer in Ocheon, the length of the day is rapidly decreasing. From the start to the end of the season, the length of the day decreases by 1 hour, 29 minutes, implying an average daily decrease of 58 seconds, and weekly decrease of 6 minutes, 49 seconds.

The shortest day of the summer is August 31, with 12 hours, 58 minutes of daylight and the longest day is June 21, with 14 hours, 36 minutes of daylight.

Hours of Daylight and Twilight in the Summer in Ocheon

Hours of Daylight and Twilight in the Summer in OcheonJunJulAug0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrSpringFallJun 2114 hr, 36 minJun 2114 hr, 36 minnightnightdaydayAug 3112 hr, 58 minAug 3112 hr, 58 minAug 113 hr, 57 minAug 113 hr, 57 min
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 earliest sunrise of the summer in Ocheon is 5:05 AM on June 13 and the latest sunrise is 48 minutes later at 5:53 AM on August 31.

The latest sunset is 7:43 PM on June 28 and the earliest sunset is 52 minutes earlier at 6:51 PM on August 31.

Daylight saving time is not observed in Ocheon during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 5:05 AM and sets 14 hours, 36 minutes later, at 7:42 PM, while on December 21, the shortest day of the year, it rises at 7:29 AM and sets 9 hours, 43 minutes later, at 5:11 PM.

Sunrise & Sunset with Twilight in the Summer in Ocheon

Sunrise & Sunset with Twilight in the Summer in OcheonJunJulAug2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMSpringFall5:05 AM5:05 AMJun 137:39 PMJun 137:39 PM5:53 AM5:53 AMAug 316:51 PMAug 316:51 PM5:09 AM5:09 AMJul 17:43 PMJul 17:43 PM5:29 AM5:29 AMAug 17:27 PMAug 17:27 PMSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day in the summer. 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 the Summer in Ocheon

Solar Elevation and Azimuth in the Summer in OcheonJunJulAug12 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 AMSpringFall0010202030304050506060700010102030304040506070
northeastsouthwest
Solar elevation and azimuth in the the summer of 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 the summer of 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 the Summer in Ocheon

Moon Rise, Set & Phases in the Summer in OcheonJunJulAug12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMSpringFallMay 812:23 PMMay 812:23 PMMay 2310:54 PMMay 2310:54 PMJun 69:38 PMJun 69:38 PMJun 2210:09 AMJun 2210:09 AMJul 67:58 AMJul 67:58 AMJul 217:18 PMJul 217:18 PMAug 48:14 PMAug 48:14 PMAug 203:26 AMAug 203:26 AMSep 310:56 AMSep 310:56 AMSep 1811:35 AMSep 1811:35 AM5:03 AM5:03 AM7:37 PM7:37 PM7:24 PM7:24 PM5:08 AM5:08 AM7:41 PM7:41 PM7:20 PM7:20 PM4:39 AM4:39 AM4:52 AM4:52 AM7:53 PM7:53 PM5:44 AM5:44 AM7:37 PM7:37 PM7:05 PM7:05 PM5:51 AM5:51 AM5:45 AM5:45 AM6:04 PM6:04 PM5:53 AM5:53 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.

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 Ocheon is very rapidly increasing during the summer, rising from 5% to 69% over the course of the season.

The highest chance of a muggy day during the summer is 95% on August 3.

For reference, on August 2, the muggiest day of the year, there are muggy conditions 95% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.

Humidity Comfort Levels in the Summer in Ocheon

Humidity Comfort Levels in the Summer in OcheonJunJulAug0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%SpringFallAug 395%Aug 395%Jun 15%Jun 15%Aug 3169%Aug 3169%Jul 159%Jul 159%miserablemiserableoppressiveoppressivemuggymuggyhumidhumiddrydrycomfortablecomfortable
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 Ocheon is increasing during the summer, increasing from 9.4 miles per hour to 10.7 miles per hour over the course of the season.

For reference, on December 29, the windiest day of the year, the daily average wind speed is 15.1 miles per hour, while on June 13, the calmest day of the year, the daily average wind speed is 9.2 miles per hour.

The lowest daily average wind speed during the summer is 9.2 miles per hour on June 13.

Average Wind Speed in the Summer in Ocheon

Average Wind Speed in the Summer in OcheonJunJulAug0 mph0 mph5 mph5 mph10 mph10 mph15 mph15 mphSpringFallJun 139.2 mphJun 139.2 mphAug 3110.7 mphAug 3110.7 mphJul 19.9 mphJul 19.9 mphAug 19.9 mphAug 19.9 mph
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The wind direction in Ocheon during the summer is predominantly out of the west from June 1 to June 6, the east from June 6 to June 26 and from August 7 to August 31, and the south from June 26 to August 7.

Wind Direction in the Summer in Ocheon

Wind Direction in the Summer in OcheonWESEJunJulAug0%100%20%80%40%60%60%40%80%20%100%0%SpringFallwestsoutheastnorth
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).

Ocheon 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 Ocheon is very rapidly increasing during the summer, rising by 13°F, from 64°F to 76°F, over the course of the season.

The highest average surface water temperature during the summer is 77°F on August 19.

Average Water Temperature in the Summer in Ocheon

Average Water Temperature in the Summer in OcheonJunJulAug55°F55°F60°F60°F65°F65°F70°F70°F75°F75°F80°F80°FSpringFallAug 1977°FAug 1977°FJun 164°FJun 164°FJul 169°FJul 169°FAug 175°FAug 175°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 Ocheon typically lasts for 8.2 months (252 days), from around March 16 to around November 24, rarely starting before March 1 or after April 1, and rarely ending before November 8 or after December 10.

The summer in Ocheon is reliably fully within the growing season.

Time Spent in Various Temperature Bands and the Growing Season in the Summer in Ocheon

Time Spent in Various Temperature Bands and the Growing Season in the Summer in Ocheongrowing seasongrowing seasongrowing seasonJunJulAug0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%SpringFall100%Jul 17100%Jul 17coldcoolcomfortablewarmhot
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 Ocheon are very rapidly increasing during the summer, increasing by 2,262°F, from 758°F to 3,020°F, over the course of the season.

Growing Degree Days in the Summer in Ocheon

Growing Degree Days in the Summer in OcheonJunJulAug1,000°F1,000°F1,500°F1,500°F2,000°F2,000°F2,500°F2,500°F3,000°F3,000°FSpringFallJun 1758°FJun 1758°FAug 313,020°FAug 313,020°FJul 11,386°FJul 11,386°FAug 12,214°FAug 12,214°F
The average growing degree days accumulated over the course of the summer, 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 Ocheon is decreasing during the summer, falling by 1.4 kWh, from 6.5 kWh to 5.2 kWh, over the course of the season.

Average Daily Incident Shortwave Solar Energy in the Summer in Ocheon

Average Daily Incident Shortwave Solar Energy in the Summer in OcheonJunJulAug0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWhSpringFallJun 16.5 kWhJun 16.5 kWhAug 315.2 kWhAug 315.2 kWhJul 15.8 kWhJul 15.8 kWhAug 16.0 kWhAug 16.0 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 Ocheon are 35.970 deg latitude, 129.412 deg longitude, and 72 ft elevation.

The topography within 2 miles of Ocheon contains only modest variations in elevation, with a maximum elevation change of 489 feet and an average elevation above sea level of 148 feet. Within 10 miles contains only modest variations in elevation (2,382 feet). Within 50 miles contains large variations in elevation (4,150 feet).

The area within 2 miles of Ocheon is covered by sparse vegetation (76%), within 10 miles by trees (35%) and water (23%), and within 50 miles by water (52%) and trees (26%).

This report illustrates the typical weather in Ocheon, 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 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Ocheon.

For each station, the records are corrected for the elevation difference between that station and Ocheon 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 Ocheon is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Ocheon and a given station.

The stations contributing to this reconstruction are:

To get a sense of how much these sources agree with each other, you can view a comparison of Ocheon 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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