Summer Weather in Huaihe China

Daily high temperatures are around 89°F, rarely falling below 77°F or exceeding 99°F. The highest daily average high temperature is 91°F on July 21.

Daily low temperatures are around 70°F, rarely falling below 60°F or exceeding 80°F. The highest daily average low temperature is 75°F on July 25.

For reference, on July 21, the hottest day of the year, temperatures in Huaihe typically range from 75°F to 91°F, while on January 12, the coldest day of the year, they range from 27°F to 46°F.

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.

McCord, United States (7,282 miles away) is the far-away foreign place with temperatures most similar to Huaihe (view comparison).

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The summer in Huaihe experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 48% to 44%. The highest chance of overcast or mostly cloudy conditions is 58% on July 9.

The clearest day of the summer is August 31, with clear, mostly clear, or partly cloudy conditions 56% of the time.

For reference, on July 9, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 58%, while on December 12, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 69%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Huaihe, the chance of a wet day over the course of the summer is increasing, starting the season at 22% and ending it at 28%.

For reference, the year's highest daily chance of a wet day is 39% on July 8, and its lowest chance is 7% on December 21.

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 Huaihe is essentially constant, remaining about 5.2 inches throughout, and rarely exceeding 11.9 inches or falling below 1.0 inches.

The highest average 31-day accumulation is 6.5 inches on July 11.

Over the course of the summer in Huaihe, 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, 17 minutes, implying an average daily decrease of 51 seconds, and weekly decrease of 5 minutes, 56 seconds.

The shortest day of the summer is August 31, with 12 hours, 51 minutes of daylight and the longest day is June 21, with 14 hours, 17 minutes of daylight.

The earliest sunrise of the summer in Huaihe is 5:18 AM on June 11 and the latest sunrise is 42 minutes later at 6:00 AM on August 31.

The latest sunset is 7:36 PM on June 29 and the earliest sunset is 45 minutes earlier at 6:51 PM on August 31.

Daylight saving time is not observed in Huaihe during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 5:19 AM and sets 14 hours, 17 minutes later, at 7:35 PM, while on December 21, the shortest day of the year, it rises at 7:22 AM and sets 10 hours, 2 minutes later, at 5:24 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 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.

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 Huaihe is very rapidly increasing during the summer, rising from 28% to 59% over the course of the season.

The highest chance of a muggy day during the summer is 96% on July 24.

For reference, on July 24, the muggiest day of the year, there are muggy conditions 96% of the time, while on November 14, 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 Huaihe is essentially constant during the summer, remaining within 0.3 miles per hour of 6.5 miles per hour throughout.

For reference, on April 29, the windiest day of the year, the daily average wind speed is 8.1 miles per hour, while on August 14, the calmest day of the year, the daily average wind speed is 6.2 miles per hour.

The lowest daily average wind speed during the summer is 6.2 miles per hour on August 21.

The wind direction in Huaihe during the summer is predominantly out of the south from June 1 to August 7 and the east from August 7 to August 31.

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 Huaihe typically lasts for 8.0 months (245 days), from around March 15 to around November 16, rarely starting before February 26 or after April 2, and rarely ending before October 30 or after December 2.

The summer in Huaihe 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 Huaihe are very rapidly increasing during the summer, increasing by 2,626°F, from 1,201°F to 3,827°F, over the course of the season.

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 Huaihe is gradually decreasing during the summer, falling by 0.8 kWh, from 6.1 kWh to 5.3 kWh, over the course of the season.

The highest average daily incident shortwave solar energy during the summer is 6.1 kWh on June 12.

For the purposes of this report, the geographical coordinates of Huaihe are 32.346 deg latitude, 113.588 deg longitude, and 423 ft elevation.

The topography within 2 miles of Huaihe contains very significant variations in elevation, with a maximum elevation change of 1,667 feet and an average elevation above sea level of 574 feet. Within 10 miles contains very significant variations in elevation (2,536 feet). Within 50 miles contains large variations in elevation (3,497 feet).

The area within 2 miles of Huaihe is covered by trees (47%) and cropland (41%), within 10 miles by trees (53%) and cropland (40%), and within 50 miles by cropland (50%) and trees (39%).