Average Weather in July in Shamrock Texas, United States
Daily high temperatures are around 93°F, rarely falling below 84°F or exceeding 102°F. The highest daily average high temperature is 94°F on July 24.
Daily low temperatures are around 70°F, rarely falling below 64°F or exceeding 75°F. The highest daily average low temperature is 71°F on July 24.
For reference, on July 23, the hottest day of the year, temperatures in Shamrock typically range from 71°F to 94°F, while on January 4, the coldest day of the year, they range from 28°F to 50°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
Khavāş Kūh, Iran (7,483 miles away); Quetta, Pakistan (7,851 miles); and Dushanbe, Tajikistan (7,301 miles) are the far-away foreign places with temperatures most similar to Shamrock (view comparison).
The month of July in Shamrock experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 27% throughout the month. The lowest chance of overcast or mostly cloudy conditions is 25% on July 8.
The clearest day of the month is July 8, with clear, mostly clear, or partly cloudy conditions 75% of the time.
For reference, on February 15, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 41%, while on October 5, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 76%.
Cloud Cover Categories in July
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Shamrock, the chance of a wet day over the course of July is gradually decreasing, starting the month at 29% and ending it at 25%.
For reference, the year's highest daily chance of a wet day is 36% on June 7, and its lowest chance is 6% on January 11.
Probability of Precipitation in July
The average sliding 31-day rainfall during July in Shamrock is gradually decreasing, starting the month at 2.2 inches, when it rarely exceeds 4.2 inches or falls below 0.5 inches, and ending the month at 1.9 inches, when it rarely exceeds 3.6 inches or falls below 0.6 inches.
The lowest average 31-day accumulation is 1.9 inches on July 20.
Average Monthly Rainfall in July
Over the course of July in Shamrock, the length of the day is decreasing. From the start to the end of the month, the length of the day decreases by 34 minutes, implying an average daily decrease of 1 minute, 7 seconds, and weekly decrease of 7 minutes, 51 seconds.
The shortest day of the month is July 31, with 13 hours, 56 minutes of daylight and the longest day is July 1, with 14 hours, 29 minutes of daylight.
Hours of Daylight and Twilight in July
The earliest sunrise of the month in Shamrock is 6:30 AM on July 1 and the latest sunrise is 19 minutes later at 6:49 AM on July 31.
The latest sunset is 8:59 PM on July 1 and the earliest sunset is 15 minutes earlier at 8:44 PM on July 31.
Daylight saving time is observed in Shamrock during 2018, 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 6:26 AM and sets 14 hours, 32 minutes later, at 8:58 PM, while on December 21, the shortest day of the year, it rises at 7:45 AM and sets 9 hours, 47 minutes later, at 5:32 PM.
Sunrise & Sunset with Twilight in July
The chance that a given day will be muggy in Shamrock is gradually decreasing during July, falling from 28% to 26% over the course of the month.
The highest chance of a muggy day during July is 29% on July 3.
For reference, on July 3, the muggiest day of the year, there are muggy conditions 29% 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
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Shamrock is decreasing during July, decreasing from 10.9 miles per hour to 9.8 miles per hour over the course of the month.
For reference, on April 1, the windiest day of the year, the daily average wind speed is 12.8 miles per hour, while on August 12, the calmest day of the year, the daily average wind speed is 9.5 miles per hour.
Average Wind Speed in July
Wind Direction in July
The growing season in Shamrock typically lasts for 7.2 months (222 days), from around March 29 to around November 5, rarely starting before March 8 or after April 19, and rarely ending before October 18 or after November 24.
The month of July in Shamrock 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 Shamrock are rapidly increasing during July, increasing by 884°F, from 1,960°F to 2,844°F, over the course of the month.
Growing Degree Days in July
The average daily incident shortwave solar energy in Shamrock is essentially constant during July, remaining within 0.2 kWh of 7.2 kWh throughout.
Average Daily Incident Shortwave Solar Energy in July
For the purposes of this report, the geographical coordinates of Shamrock are 35.214 deg latitude, -100.249 deg longitude, and 2,300 ft elevation.
The topography within 2 miles of Shamrock contains only modest variations in elevation, with a maximum elevation change of 210 feet and an average elevation above sea level of 2,299 feet. Within 10 miles contains only modest variations in elevation (741 feet). Within 50 miles contains significant variations in elevation (1,896 feet).
The area within 2 miles of Shamrock is covered by grassland (83%), within 10 miles by grassland (81%) and cropland (10%), and within 50 miles by grassland (71%) and cropland (20%).
This report illustrates the typical weather in Shamrock 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 5 weather stations near enough to contribute to our estimation of the temperature and dew point in Shamrock.
For each station, the records are corrected for the elevation difference between that station and Shamrock 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 Shamrock is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Shamrock and a given station.
The stations contributing to this reconstruction are: Hemphill County Airport (25%, 78 kilometers, north); Perry Lefors Field (21%, 81 kilometers, northwest); Childress Municipal Airport (20%, 88 kilometers, south); Clinton-Sherman Airport (18%, 96 kilometers, east); and Altus Municipal Airport (16%, 101 kilometers, southeast).
Time zones for aiports and weather stations are provided by AskGeo.com .