Average Weather in July in Chester California, United States
In Chester, the month of July is characterized by gradually rising daily high temperatures, with daily highs increasing by 4°F, from 78°F to 82°F over the course of the month, and rarely exceeding 89°F or dropping below 67°F.
Daily low temperatures increase by 2°F, from 54°F to 56°F, rarely falling below 46°F or exceeding 64°F. The highest daily average low temperature is 56°F on July 24.
For reference, on August 3, the hottest day of the year, temperatures in Chester typically range from 56°F to 82°F, while on January 1, the coldest day of the year, they range from 28°F to 41°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 Chester experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 18% to 11%. The lowest chance of overcast or mostly cloudy conditions is 11% on July 30.
The clearest day of the month is July 30, with clear, mostly clear, or partly cloudy conditions 89% of the time.
For reference, on February 27, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 63%, while on July 30, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 89%.
Cloud Cover in July
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Chester, the chance of a wet day over the course of July is gradually decreasing, starting the month at 4% and ending it at 2%.
For reference, the year's highest daily chance of a wet day is 39% on March 1, and its lowest chance is 1% on August 4.
Probability of Precipitation in July
The average sliding 31-day rainfall during July in Chester is gradually decreasing, starting the month at 0.3 inches, when it rarely exceeds 1.1 inches, and ending the month at 0.1 inches, when it rarely exceeds 0.4 inches.
The lowest average 31-day accumulation is 0.1 inches on July 31.
Average Monthly Rainfall in July
Over the course of July in Chester, the length of the day is decreasing. From the start to the end of the month, the length of the day decreases by 42 minutes, implying an average daily decrease of 1 minute, 23 seconds, and weekly decrease of 9 minutes, 42 seconds.
The shortest day of the month is July 31, with 14 hours, 18 minutes of daylight and the longest day is July 1, with 14 hours, 60 minutes of daylight.
Hours of Daylight and Twilight in July
The earliest sunrise of the month in Chester is 5:39 AM on July 1 and the latest sunrise is 23 minutes later at 6:02 AM on July 31.
The latest sunset is 8:38 PM on July 1 and the earliest sunset is 19 minutes earlier at 8:19 PM on July 31.
Daylight saving time is observed in Chester 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 5:35 AM and sets 15 hours, 3 minutes later, at 8:38 PM, while on December 21, the shortest day of the year, it rises at 7:24 AM and sets 9 hours, 18 minutes later, at 4:42 PM.
Sunrise & Sunset with Twilight in July
The chance that a given day will be muggy in Chester is essentially constant during July, remaining around 0% throughout.
Humidity Comfort Levels in July
The average hourly wind speed in Chester is essentially constant during July, remaining within 0.1 miles per hour of 2.4 miles per hour throughout.
For reference, on December 18, the windiest day of the year, the daily average wind speed is 3.2 miles per hour, while on July 24, the calmest day of the year, the daily average wind speed is 2.4 miles per hour.
Average Wind Speed in July
Wind Direction in July
The average daily incident shortwave solar energy in Chester is essentially constant during July, remaining within 0.2 kWh of 8.3 kWh throughout.
The highest average daily incident shortwave solar energy during July is 8.6 kWh on July 1.
Average Daily Incident Shortwave Solar Energy in July
For the purposes of this report, the geographical coordinates of Chester are 40.306 deg latitude, -121.232 deg longitude, and 4,537 ft elevation.
The topography within 2 miles of Chester contains only modest variations in elevation, with a maximum elevation change of 341 feet and an average elevation above sea level of 4,549 feet. Within 10 miles contains only modest variations in elevation (3,875 feet). Within 50 miles also contains extreme variations in elevation (10,213 feet).
The area within 2 miles of Chester is covered by trees (36%), shrubs (33%), cropland (17%), and water (13%), within 10 miles by trees (86%) and water (11%), and within 50 miles by trees (60%) and shrubs (28%).
This report illustrates the typical weather in Chester 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 Chester.
For each station, the records are corrected for the elevation difference between that station and Chester 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 Chester is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Chester and a given station.
The stations contributing to this reconstruction are: Chico Municipal Airport (19%, 77 kilometers, southwest); Red Bluff Municipal Airport (18%, 89 kilometers, west); Redding Municipal Airport (18%, 93 kilometers, west); Blue Canyon-Nyack Airport (25%, 123 kilometers, south); and Alturas Municipal Airport (20%, 143 kilometers, northeast).
Time zones for aiports and weather stations are provided by AskGeo.com .