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Summer Weather in Baiyun China

Daily high temperatures increase by 6°F, from 82°F to 87°F, rarely falling below 70°F or exceeding 100°F. The highest daily average high temperature is 92°F on July 14.

Daily low temperatures increase by 5°F, from 63°F to 68°F, rarely falling below 56°F or exceeding 74°F. The highest daily average low temperature is 71°F on July 17.

For reference, on July 13, the hottest day of the year, temperatures in Baiyun typically range from 71°F to 92°F, while on January 23, the coldest day of the year, they range from 35°F to 54°F.

Average High and Low Temperature in the Summer in Baiyun

Average High and Low Temperature in the Summer in BaiyunJunJulAug45°F45°F50°F50°F55°F55°F60°F60°F65°F65°F70°F70°F75°F75°F80°F80°F85°F85°F90°F90°F95°F95°F100°F100°FSpringFallJul 1392°FJul 1392°F71°F71°FJun 182°FJun 182°F63°F63°FAug 3187°FAug 3187°F68°F68°FJul 190°FJul 190°F70°F70°FAug 191°FAug 191°F71°F71°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 Baiyun

Average Hourly Temperature in the Summer in BaiyunJunJulAug12 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 AMSpringFallcoolcoolcoolcomfortablecomfortablewarmhotcool
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.

Clinton, North Carolina, United States (8,081 miles away) is the far-away foreign place with temperatures most similar to Baiyun (view comparison).

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The summer in Baiyun experiences decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 73% to 63%. The highest chance of overcast or mostly cloudy conditions is 79% on June 20.

The clearest day of the summer is August 31, with clear, mostly clear, or partly cloudy conditions 37% of the time.

For reference, on June 20, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 79%, while on December 4, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 73%.

Cloud Cover Categories in the Summer in Baiyun

Cloud Cover Categories in the Summer in BaiyunJunJulAug0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%SpringFallDec 473%Dec 473%Jun 127%Jun 127%Aug 3137%Aug 3137%Jul 121%Jul 121%Aug 128%Aug 128%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 Baiyun, the chance of a wet day over the course of the summer is very rapidly decreasing, starting the season at 48% and ending it at 36%.

For reference, the year's highest daily chance of a wet day is 50% on June 9, and its lowest chance is 11% on December 17.

Probability of Precipitation in the Summer in Baiyun

Probability of Precipitation in the Summer in BaiyunJunJulAug0%0%5%5%10%10%15%15%20%20%25%25%30%30%35%35%40%40%45%45%50%50%55%55%SpringFallJun 950%Jun 950%Aug 3136%Aug 3136%Jul 135%Jul 135%Aug 135%Aug 135%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 Baiyun is rapidly decreasing, starting the season at 7.5 inches, when it rarely exceeds 10.6 inches or falls below 3.6 inches, and ending the season at 6.0 inches, when it rarely exceeds 10.7 inches or falls below 1.9 inches.

The highest average 31-day accumulation is 7.6 inches on June 7.

Average Monthly Rainfall in the Summer in Baiyun

Average Monthly Rainfall in the Summer in BaiyunJunJulAug0 in0 in2 in2 in4 in4 in6 in6 in8 in8 in10 in10 in12 in12 inSpringFallJun 77.6 inJun 77.6 inAug 316.0 inAug 316.0 inJul 15.5 inJul 15.5 inAug 15.7 inAug 15.7 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 Baiyun, the length of the day is decreasing. From the start to the end of the season, the length of the day decreases by 59 minutes, implying an average daily decrease of 39 seconds, and weekly decrease of 4 minutes, 33 seconds.

The shortest day of the summer is August 31, with 12 hours, 41 minutes of daylight and the longest day is June 21, with 13 hours, 46 minutes of daylight.

Hours of Daylight and Twilight in the Summer in Baiyun

Hours of Daylight and Twilight in the Summer in BaiyunJunJulAug0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrSpringFallJun 2113 hr, 46 minJun 2113 hr, 46 minnightnightdaydayAug 3112 hr, 41 minAug 3112 hr, 41 minAug 113 hr, 20 minAug 113 hr, 20 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 Baiyun is 5:11 AM on June 10 and the latest sunrise is 32 minutes later at 5:44 AM on August 31.

The latest sunset is 7:00 PM on July 2 and the earliest sunset is 36 minutes earlier at 6:24 PM on August 31.

Daylight saving time is not observed in Baiyun during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 5:12 AM and sets 13 hours, 46 minutes later, at 6:59 PM, while on December 21, the shortest day of the year, it rises at 6:47 AM and sets 10 hours, 31 minutes later, at 5:17 PM.

Sunrise & Sunset with Twilight in the Summer in Baiyun

Sunrise & Sunset with Twilight in the Summer in BaiyunJunJulAug12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMSpringFall5:11 AM5:11 AMJun 106:56 PMJun 106:56 PM5:16 AM5:16 AMJul 27:00 PMJul 27:00 PM5:44 AM5:44 AMAug 316:24 PMAug 316:24 PM5:30 AM5:30 AMAug 16:50 PMAug 16:50 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 Baiyun

Solar Elevation and Azimuth in the Summer in BaiyunJunJulAug12 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 AMSpringFall001020203030405050606070800010102030304040506060707080
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 Baiyun

Moon Rise, Set & Phases in the Summer in BaiyunJunJulAug12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMSpringFallMay 811:23 AMMay 811:23 AMMay 239:54 PMMay 239:54 PMJun 68:38 PMJun 68:38 PMJun 229:09 AMJun 229:09 AMJul 66:58 AMJul 66:58 AMJul 216:18 PMJul 216:18 PMAug 47:14 PMAug 47:14 PMAug 202:26 AMAug 202:26 AMSep 39:56 AMSep 39:56 AMSep 1810:35 AMSep 1810:35 AM5:05 AM5:05 AM6:59 PM6:59 PM6:41 PM6:41 PM5:19 AM5:19 AM6:54 PM6:54 PM6:32 PM6:32 PM4:55 AM4:55 AM5:07 AM5:07 AM7:36 PM7:36 PM7:09 PM7:09 PM5:54 AM5:54 AM6:58 PM6:58 PM6:30 PM6:30 PM5:50 AM5:50 AM5:39 AM5:39 AM5:40 PM5:40 PM5:41 AM5:41 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 Baiyun is very rapidly increasing during the summer, rising from 56% to 84% over the course of the season.

The highest chance of a muggy day during the summer is 96% on July 11.

For reference, on July 11, the muggiest day of the year, there are muggy conditions 96% of the time, while on January 7, the least muggy day of the year, there are muggy conditions 0% of the time.

Humidity Comfort Levels in the Summer in Baiyun

Humidity Comfort Levels in the Summer in BaiyunJunJulAug0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%SpringFallJul 1196%Jul 1196%Jun 156%Jun 156%Aug 3184%Aug 3184%Aug 195%Aug 195%oppressiveoppressivemuggymuggyhumidhumiddrydrycomfortablecomfortablemiserablemiserable
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 Baiyun is essentially constant during the summer, remaining within 0.3 miles per hour of 4.2 miles per hour throughout.

For reference, on October 11, the windiest day of the year, the daily average wind speed is 4.9 miles per hour, while on May 20, the calmest day of the year, the daily average wind speed is 3.9 miles per hour.

Average Wind Speed in the Summer in Baiyun

Average Wind Speed in the Summer in BaiyunJunJulAug0 mph0 mph1 mph1 mph2 mph2 mph3 mph3 mph4 mph4 mph5 mph5 mph6 mph6 mph7 mph7 mphSpringFallJun 14.0 mphJun 14.0 mphAug 314.2 mphAug 314.2 mphJul 14.5 mphJul 14.5 mphAug 14.1 mphAug 14.1 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 Baiyun during the summer is predominantly out of the east from June 1 to June 5 and from August 16 to August 31 and the south from June 5 to August 16.

Wind Direction in the Summer in Baiyun

Wind Direction in the Summer in BaiyunESEJunJulAug0%100%20%80%40%60%60%40%80%20%100%0%SpringFallsoutheastnorthwest
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).

Baiyun 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 Baiyun is increasing during the summer, rising by 7°F, from 74°F to 81°F, over the course of the season.

The highest average surface water temperature during the summer is 81°F on August 26.

Average Water Temperature in the Summer in Baiyun

Average Water Temperature in the Summer in BaiyunJunJulAug65°F65°F70°F70°F75°F75°F80°F80°F85°F85°FSpringFallAug 2681°FAug 2681°FJun 174°FJun 174°FJul 179°FJul 179°FAug 181°FAug 181°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 Baiyun typically lasts for 8.6 months (262 days), from around March 11 to around November 28, rarely starting before February 19 or after April 2, and rarely ending before November 4 or after December 20.

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

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

Time Spent in Various Temperature Bands and the Growing Season in the Summer in Baiyungrowing 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 17coolcomfortablewarmhotcoldsweltering
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 Baiyun are very rapidly increasing during the summer, increasing by 2,399°F, from 1,222°F to 3,622°F, over the course of the season.

Growing Degree Days in the Summer in Baiyun

Growing Degree Days in the Summer in BaiyunJunJulAug1,500°F1,500°F2,000°F2,000°F2,500°F2,500°F3,000°F3,000°F3,500°F3,500°FSpringFallJun 11,222°FJun 11,222°FAug 313,622°FAug 313,622°FJul 11,949°FJul 11,949°FAug 12,815°FAug 12,815°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 Baiyun is essentially constant during the summer, remaining within 0.4 kWh of 5.6 kWh throughout.

The highest average daily incident shortwave solar energy during the summer is 5.9 kWh on July 9.

Average Daily Incident Shortwave Solar Energy in the Summer in Baiyun

Average Daily Incident Shortwave Solar Energy in the Summer in BaiyunJunJulAug0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWhSpringFallJul 95.9 kWhJul 95.9 kWhJun 15.2 kWhJun 15.2 kWhAug 315.4 kWhAug 315.4 kWhAug 15.6 kWhAug 15.6 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 Baiyun are 26.036 deg latitude, 118.906 deg longitude, and 1,703 ft elevation.

The topography within 2 miles of Baiyun contains large variations in elevation, with a maximum elevation change of 2,280 feet and an average elevation above sea level of 2,045 feet. Within 10 miles contains large variations in elevation (3,970 feet). Within 50 miles also contains extreme variations in elevation (5,955 feet).

The area within 2 miles of Baiyun is covered by trees (68%) and grassland (20%), within 10 miles by trees (75%) and grassland (13%), and within 50 miles by trees (66%) and grassland (12%).

This report illustrates the typical weather in Baiyun, 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 is only a single weather station, Fuzhou Changle International Airport, in our network suitable to be used as a proxy for the historical temperature and dew point records of Baiyun.

At a distance of 77 kilometers from Baiyun, closer than our threshold of 150 kilometers, this station is deemed sufficiently nearby to be relied upon as our primary source for temperature and dew point records.

The station records are corrected for the elevation difference between the station and Baiyun according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

Please note that the station records themselves may additionally have been back-filled using other nearby stations or the MERRA-2 reanalysis.

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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