Average Weather in July in Alta Sierra California, United States
Daily high temperatures increase by 2°F, from 78°F to 80°F, rarely falling below 70°F or exceeding 87°F. The highest daily average high temperature is 80°F on July 28.
Daily low temperatures increase by 2°F, from 51°F to 53°F, rarely falling below 44°F or exceeding 61°F. The highest daily average low temperature is 53°F on July 20.
For reference, on July 27, the hottest day of the year, temperatures in Alta Sierra typically range from 53°F to 80°F, while on December 25, the coldest day of the year, they range from 24°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 Alta Sierra experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 11% throughout the month.
The clearest day of the month is July 31, with clear, mostly clear, or partly cloudy conditions 90% of the time.
For reference, on February 22, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 49%, while on August 9, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 91%.
Cloud Cover Categories in July
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
Over the course of July in Alta Sierra, 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, 8 seconds, and weekly decrease of 7 minutes, 58 seconds.
The shortest day of the month is July 31, with 13 hours, 58 minutes of daylight and the longest day is July 1, with 14 hours, 32 minutes of daylight.
Hours of Daylight and Twilight in July
The earliest sunrise of the month in Alta Sierra is 5:41 AM on July 1 and the latest sunrise is 19 minutes later at 6:01 AM on July 31.
The latest sunset is 8:14 PM on July 1 and the earliest sunset is 15 minutes earlier at 7:59 PM on July 31.
Daylight saving time is observed in Alta Sierra during 2019, 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 5:38 AM and sets 14 hours, 35 minutes later, at 8:13 PM, while on December 22, the shortest day of the year, it rises at 7:00 AM and sets 9 hours, 44 minutes later, at 4:44 PM.
Sunrise & Sunset with Twilight in July
The chance that a given day will be muggy in Alta Sierra is essentially constant during July, remaining around 0% throughout.
For reference, on July 16, the muggiest day of the year, there are muggy conditions 0% 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 Alta Sierra is gradually decreasing during July, decreasing from 6.3 miles per hour to 5.5 miles per hour over the course of the month.
For reference, on May 6, the windiest day of the year, the daily average wind speed is 7.0 miles per hour, while on September 17, the calmest day of the year, the daily average wind speed is 5.1 miles per hour.
Average Wind Speed in July
Wind Direction in July
The growing season in Alta Sierra typically lasts for 5.0 months (152 days), from around May 13 to around October 12, rarely starting before April 19 or after June 6, and rarely ending before September 19 or after November 5.
The month of July in Alta Sierra 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 Alta Sierra are rapidly increasing during July, increasing by 512°F, from 680°F to 1,192°F, over the course of the month.
Growing Degree Days in July
The average daily incident shortwave solar energy in Alta Sierra is gradually decreasing during July, falling by 0.5 kWh, from 8.7 kWh to 8.1 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in July
For the purposes of this report, the geographical coordinates of Alta Sierra are 35.731 deg latitude, -118.554 deg longitude, and 5,699 ft elevation.
The topography within 2 miles of Alta Sierra contains large variations in elevation, with a maximum elevation change of 2,979 feet and an average elevation above sea level of 5,902 feet. Within 10 miles contains large variations in elevation (5,978 feet). Within 50 miles also contains extreme variations in elevation (12,159 feet).
The area within 2 miles of Alta Sierra is covered by trees (87%) and shrubs (13%), within 10 miles by shrubs (57%) and trees (25%), and within 50 miles by shrubs (42%) and grassland (21%).
This report illustrates the typical weather in Alta Sierra 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 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Alta Sierra.
For each station, the records are corrected for the elevation difference between that station and Alta Sierra 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 Alta Sierra is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Alta Sierra and a given station.
The stations contributing to this reconstruction are: Meadows Field (16%, 56 kilometers, southwest); Porterville Municipal Airport (16%, 57 kilometers, northwest); Tehachapi Municipal Airport (45%, 67 kilometers, south); and Ridgecrest Community Hospital Heliport (23%, 78 kilometers, east).
Time zones for aiports and weather stations are provided by AskGeo.com .