Average Weather in July in Fort Knox Kentucky, United States
In Fort Knox, the month of July is characterized by essentially constant daily high temperatures, with daily highs around 86°F throughout the month, rarely exceeding 94°F or dropping below 79°F. The highest daily average high temperature is 87°F on July 21.
Daily low temperatures are around 68°F, rarely falling below 59°F or exceeding 74°F. The highest daily average low temperature is 69°F on July 23.
For reference, on July 21, the hottest day of the year, temperatures in Fort Knox typically range from 69°F to 87°F, while on January 29, the coldest day of the year, they range from 27°F to 43°F.
Average High and Low Temperature in July
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.
Average Hourly Temperature in July
The month of July in Fort Knox experiences decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 42% to 33%.
The clearest day of the month is July 31, with clear, mostly clear, or partly cloudy conditions 67% of the time.
For reference, on January 2, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 57%, while on August 23, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 69%.
Cloud Cover Categories in July
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Fort Knox, the chance of a wet day over the course of July is rapidly decreasing, starting the month at 38% and ending it at 32%.
For reference, the year's highest daily chance of a wet day is 40% on June 9, and its lowest chance is 23% on October 15.
Probability of Precipitation in July
The average sliding 31-day rainfall during July in Fort Knox is decreasing, starting the month at 3.6 inches, when it rarely exceeds 5.9 inches or falls below 1.6 inches, and ending the month at 3.0 inches, when it rarely exceeds 4.9 inches or falls below 1.1 inches.
Average Monthly Rainfall in July
Over the course of July in Fort Knox, the length of the day is decreasing. From the start to the end of the month, the length of the day decreases by 38 minutes, implying an average daily decrease of 1 minute, 15 seconds, and weekly decrease of 8 minutes, 48 seconds.
The shortest day of the month is July 31, with 14 hours, 7 minutes of daylight and the longest day is July 1, with 14 hours, 45 minutes of daylight.
Hours of Daylight and Twilight in July
The earliest sunrise of the month in Fort Knox is 6:25 AM on July 1 and the latest sunrise is 21 minutes later at 6:46 AM on July 31.
The latest sunset is 9:10 PM on July 1 and the earliest sunset is 17 minutes earlier at 8:53 PM on July 31.
Daylight saving time is observed in Fort Knox during 2017, but it neither starts nor ends during July, so the entire month is in daylight saving time.
For reference, on June 21, the longest day of the year, the Sun rises at 6:21 AM and sets 14 hours, 48 minutes later, at 9:09 PM, while on December 21, the shortest day of the year, it rises at 7:56 AM and sets 9 hours, 32 minutes later, at 5:28 PM.
Sunrise & Sunset with Twilight in July
The chance that a given day will be muggy in Fort Knox is gradually increasing during July, rising from 62% to 67% over the course of the month.
The highest chance of a muggy day during July is 71% on July 24.
For reference, on July 24, the muggiest day of the year, there are muggy conditions 71% 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 July
The average hourly wind speed in Fort Knox is essentially constant during July, remaining within 0.2 miles per hour of 4.6 miles per hour throughout.
For reference, on February 25, the windiest day of the year, the daily average wind speed is 8.0 miles per hour, while on July 31, the calmest day of the year, the daily average wind speed is 4.4 miles per hour.
The lowest daily average wind speed during July is 4.4 miles per hour on July 31.
Average Wind Speed in July
Wind Direction in July
The growing season in Fort Knox typically lasts for 6.7 months (205 days), from around April 8 to around October 29, rarely starting before March 22 or after April 24, and rarely ending before October 12 or after November 19.
The month of July in Fort Knox is reliably fully within the growing season.
Time Spent in Various Temperature Bands and the Growing Season in July
The average accumulated growing degree days in Fort Knox is rapidly increasing during July, increasing by 787°F, from 1,634°F to 2,421°F, over the course of the month.
Growing Degree Days in July
The average daily incident shortwave solar energy in Fort Knox is essentially constant during July, remaining around 6.6 kWh throughout.
The highest average daily incident shortwave solar energy during July is 6.6 kWh on July 20.
Average Daily Incident Shortwave Solar Energy in July
For the purposes of this report, the geographical coordinates of Fort Knox are 37.891 deg latitude, -85.964 deg longitude, and 702 ft elevation.
The topography within 2 miles of Fort Knox contains only modest variations in elevation, with a maximum elevation change of 279 feet and an average elevation above sea level of 710 feet. Within 10 miles contains only modest variations in elevation (630 feet). Within 50 miles also contains significant variations in elevation (801 feet).
The area within 2 miles of Fort Knox is covered by artificial surfaces (46%), trees (30%), and cropland (24%), within 10 miles by trees (57%) and cropland (36%), and within 50 miles by trees (49%) and cropland (44%).
This report illustrates the typical weather in Fort Knox year round, 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 Fort Knox.
For each station, the records are corrected for the elevation difference between that station and Fort Knox 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 Fort Knox is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Fort Knox and a given station.
The stations contributing to this reconstruction are: Godman Army Airfield (99%, 1.0 kilometers, north); Glasgow Municipal Airport (0.3%, 96 kilometers, south); and Stuart Powell Field (0.2%, 111 kilometers, east).
Time zones for aiports and weather stations are provided by AskGeo.com .