Summer Weather at Joplin Regional Airport Missouri, United States

Daily high temperatures increase by 6°F, from 82°F to 87°F, rarely falling below 73°F or exceeding 99°F. The highest daily average high temperature is 91°F on July 24.

Daily low temperatures increase by 4°F, from 63°F to 67°F, rarely falling below 53°F or exceeding 79°F. The highest daily average low temperature is 72°F on July 21.

For reference, on July 23, the hottest day of the year, temperatures at Joplin Regional Airport typically range from 71°F to 91°F, while on January 6, the coldest day of the year, they range from 27°F to 45°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.

Gardabani, Georgia (6,443 miles away) and Karaj, Iran (6,938 miles) are the far-away foreign places with temperatures most similar to Joplin Regional Airport (view comparison).

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The summer at Joplin Regional Airport experiences rapidly decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 43% to 29%. The lowest chance of overcast or mostly cloudy conditions is 28% on August 26.

The clearest day of the summer is August 26, with clear, mostly clear, or partly cloudy conditions 72% of the time.

For reference, on February 12, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 50%, while on August 26, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 72%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. At Joplin Regional Airport, the chance of a wet day over the course of the summer is very rapidly decreasing, starting the season at 44% and ending it at 30%.

For reference, the year's highest daily chance of a wet day is 45% on June 6, and its lowest chance is 13% on January 12.

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 at Joplin Regional Airport is rapidly decreasing, starting the season at 5.1 inches, when it rarely exceeds 8.5 inches or falls below 2.2 inches, and ending the season at 3.6 inches, when it rarely exceeds 6.5 inches or falls below 1.2 inches.

The lowest average 31-day accumulation is 3.0 inches on August 1.

Over the course of the summer at Joplin Regional Airport, 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, 35 minutes, implying an average daily decrease of 1 minute, 3 seconds, and weekly decrease of 7 minutes, 18 seconds.

The shortest day of the summer is August 31, with 12 hours, 59 minutes of daylight and the longest day is June 20, with 14 hours, 43 minutes of daylight.

The earliest sunrise of the summer at Joplin Regional Airport is 5:57 AM on June 13 and the latest sunrise is 51 minutes later at 6:48 AM on August 31.

The latest sunset is 8:42 PM on June 27 and the earliest sunset is 55 minutes earlier at 7:47 PM on August 31.

Daylight saving time is observed at Joplin Regional Airport during 2024, but it neither starts nor ends during the summer, so the entire season is in daylight saving time.

For reference, on June 20, the longest day of the year, the Sun rises at 5:58 AM and sets 14 hours, 43 minutes later, at 8:41 PM, while on December 21, the shortest day of the year, it rises at 7:28 AM and sets 9 hours, 36 minutes later, at 5:04 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 at Joplin Regional Airport is rapidly increasing during the summer, rising from 36% to 49% over the course of the season.

The highest chance of a muggy day during the summer is 74% on July 22.

For reference, on July 22, the muggiest day of the year, there are muggy conditions 74% of the time, while on December 11, 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 at Joplin Regional Airport is decreasing during the summer, decreasing from 9.2 miles per hour to 8.2 miles per hour over the course of the season.

For reference, on March 31, the windiest day of the year, the daily average wind speed is 11.9 miles per hour, while on August 2, the calmest day of the year, the daily average wind speed is 7.4 miles per hour.

The lowest daily average wind speed during the summer is 7.4 miles per hour on August 3.

The hourly average wind direction at Joplin Regional Airport throughout the summer is predominantly from the south, with a peak proportion of 59% on June 23.

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 at Joplin Regional Airport typically lasts for 6.8 months (208 days), from around April 3 to around October 28, rarely starting before March 16 or after April 21, and rarely ending before October 9 or after November 17.

The summer at Joplin Regional Airport 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 at Joplin Regional Airport are very rapidly increasing during the summer, increasing by 2,462°F, from 1,093°F to 3,555°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 at Joplin Regional Airport is gradually decreasing during the summer, falling by 0.7 kWh, from 6.5 kWh to 5.9 kWh, over the course of the season.

The highest average daily incident shortwave solar energy during the summer is 7.0 kWh on July 8.

For the purposes of this report, the geographical coordinates of Joplin Regional Airport are 37.152 deg latitude, -94.498 deg longitude, and 965 ft elevation.

The topography within 2 miles of Joplin Regional Airport contains only modest variations in elevation, with a maximum elevation change of 164 feet and an average elevation above sea level of 945 feet. Within 10 miles also contains only modest variations in elevation (371 feet). Within 50 miles contains only modest variations in elevation (932 feet).

The area within 2 miles of Joplin Regional Airport is covered by artificial surfaces (38%), trees (30%), and cropland (22%), within 10 miles by cropland (55%) and trees (27%), and within 50 miles by cropland (75%) and trees (20%).