July Weather at Kansas City International Airport Missouri, United States

Daily high temperatures are around 88°F, rarely falling below 79°F or exceeding 98°F. The highest daily average high temperature is 89°F on July 20.

Daily low temperatures are around 70°F, rarely falling below 61°F or exceeding 77°F. The highest daily average low temperature is 70°F on July 20.

For reference, on July 20, the hottest day of the year, temperatures at Kansas City International Airport typically range from 70°F to 89°F, while on January 22, the coldest day of the year, they range from 22°F to 39°F.

The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on July. 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.

Zhu Cheng City, China (6,806 miles away) and Daejeon, South Korea (6,571 miles) are the far-away foreign places with temperatures most similar to Kansas City International Airport (view comparison).

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The month of July at Kansas City International Airport experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 30% throughout the month.

The clearest day of the month is July 19, with clear, mostly clear, or partly cloudy conditions 71% of the time.

For reference, on February 12, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 51%, 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 Kansas City International Airport, the chance of a wet day over the course of July is decreasing, starting the month at 37% and ending it at 32%.

For reference, the year's highest daily chance of a wet day is 45% on June 7, and its lowest chance is 9% on January 12.

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 July at Kansas City International Airport is decreasing, starting the month at 4.2 inches, when it rarely exceeds 6.7 inches or falls below 1.6 inches, and ending the month at 3.4 inches, when it rarely exceeds 6.2 inches or falls below 0.9 inches.

The lowest average 31-day accumulation is 3.4 inches on July 31.

Over the course of July at Kansas City International Airport, the length of the day is decreasing. From the start to the end of the month, the length of the day decreases by 40 minutes, implying an average daily decrease of 1 minute, 21 seconds, and weekly decrease of 9 minutes, 24 seconds.

The shortest day of the month is July 31, with 14 hours, 13 minutes of daylight and the longest day is July 1, with 14 hours, 53 minutes of daylight.

The earliest sunrise of the month at Kansas City International Airport is 5:56 AM on July 1 and the latest sunrise is 22 minutes later at 6:18 AM on July 31.

The latest sunset is 8:49 PM on July 1 and the earliest sunset is 18 minutes earlier at 8:31 PM on July 31.

Daylight saving time is observed at Kansas City International Airport during 2024, but it neither starts nor ends during July, so the entire month is in daylight saving time.

For reference, on June 20, the longest day of the year, the Sun rises at 5:52 AM and sets 14 hours, 56 minutes later, at 8:48 PM, while on December 21, the shortest day of the year, it rises at 7:35 AM and sets 9 hours, 24 minutes later, at 4:59 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 July 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 Kansas City International Airport is gradually increasing during July, rising from 60% to 63% over the course of the month.

The highest chance of a muggy day during July is 67% on July 22.

For reference, on July 21, the muggiest day of the year, there are muggy conditions 67% of the time, while on November 18, 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 Kansas City International Airport is gradually decreasing during July, decreasing from 8.9 miles per hour to 8.1 miles per hour over the course of the month.

For reference, on March 31, the windiest day of the year, the daily average wind speed is 12.6 miles per hour, while on August 6, the calmest day of the year, the daily average wind speed is 8.0 miles per hour.

The hourly average wind direction at Kansas City International Airport throughout July is predominantly from the south, with a peak proportion of 54% on July 4.

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 Kansas City International Airport typically lasts for 6.7 months (204 days), from around April 5 to around October 27, rarely starting before March 18 or after April 22, and rarely ending before October 9 or after November 14.

The month of July at Kansas City International 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 Kansas City International Airport are rapidly increasing during July, increasing by 825°F, from 1,572°F to 2,398°F, over the course of the month.

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 Kansas City International Airport is essentially constant during July, remaining within 0.2 kWh of 6.8 kWh throughout.

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

For the purposes of this report, the geographical coordinates of Kansas City International Airport are 39.296 deg latitude, -94.718 deg longitude, and 1,001 ft elevation.

The topography within 2 miles of Kansas City International Airport contains only modest variations in elevation, with a maximum elevation change of 167 feet and an average elevation above sea level of 979 feet. Within 10 miles also contains only modest variations in elevation (348 feet). Within 50 miles contains only modest variations in elevation (531 feet).

The area within 2 miles of Kansas City International Airport is covered by artificial surfaces (45%), cropland (43%), and bare soil (10%), within 10 miles by cropland (62%) and trees (20%), and within 50 miles by cropland (71%) and trees (15%).