Average Weather in July in Thermalito California, United States
In Thermalito, the month of July is characterized by gradually rising daily high temperatures, with daily highs increasing by 2°F, from 93°F to 95°F over the course of the month, and rarely exceeding 103°F or dropping below 84°F. The highest daily average high temperature is 95°F on July 24.
Daily low temperatures are around 66°F, rarely falling below 59°F or exceeding 73°F. The highest daily average low temperature is 66°F on July 18.
For reference, on July 19, the hottest day of the year, temperatures in Thermalito typically range from 66°F to 95°F, while on December 31, the coldest day of the year, they range from 40°F to 53°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 Thermalito experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 15% to 9%. The lowest chance of overcast or mostly cloudy conditions is 9% on July 29.
The clearest day of the month is July 29, with clear, mostly clear, or partly cloudy conditions 91% of the time.
For reference, on February 26, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 58%, while on July 29, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 91%.
Cloud Cover in July
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Thermalito, the chance of a wet day over the course of July is essentially constant, remaining around 1% throughout.
For reference, the year's highest daily chance of a wet day is 36% on February 28, and its lowest chance is 0% on July 20.
Probability of Precipitation in July
The average sliding 31-day rainfall during July in Thermalito is essentially constant, remaining about 0.1 inches throughout, and rarely exceeding 0.8 inches or falling below -0.0 inches.
The lowest average 31-day accumulation is 0.0 inches on July 30.
Average Monthly Rainfall in July
Over the course of July in Thermalito, 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, 14 minutes of daylight and the longest day is July 1, with 14 hours, 54 minutes of daylight.
Hours of Daylight and Twilight in July
The earliest sunrise of the month in Thermalito is 5:42 AM on July 1 and the latest sunrise is 22 minutes later at 6:05 AM on July 31.
The latest sunset is 8:37 PM on July 1 and the earliest sunset is 18 minutes earlier at 8:19 PM on July 31.
Daylight saving time is observed in Thermalito 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 5:39 AM and sets 14 hours, 58 minutes later, at 8:37 PM, while on December 21, the shortest day of the year, it rises at 7:23 AM and sets 9 hours, 23 minutes later, at 4:46 PM.
Sunrise & Sunset with Twilight in July
The chance that a given day will be muggy in Thermalito is essentially constant during July, remaining around 1% throughout.
For reference, on July 9, the muggiest day of the year, there are muggy conditions 1% 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 Thermalito is essentially constant during July, remaining within 0.1 miles per hour of 3.3 miles per hour throughout.
For reference, on December 18, the windiest day of the year, the daily average wind speed is 3.7 miles per hour, while on May 25, the calmest day of the year, the daily average wind speed is 3.1 miles per hour.
Average Wind Speed in July
Wind Direction in July
The average daily incident shortwave solar energy in Thermalito is essentially constant during July, remaining within 0.2 kWh of 8.2 kWh throughout.
Average Daily Incident Shortwave Solar Energy in July
For the purposes of this report, the geographical coordinates of Thermalito are 39.511 deg latitude, -121.587 deg longitude, and 203 ft elevation.
The topography within 2 miles of Thermalito contains only modest variations in elevation, with a maximum elevation change of 377 feet and an average elevation above sea level of 200 feet. Within 10 miles contains only modest variations in elevation (2,149 feet). Within 50 miles contains large variations in elevation (7,746 feet).
The area within 2 miles of Thermalito is covered by grassland (58%), artificial surfaces (27%), and cropland (11%), within 10 miles by grassland (43%) and cropland (30%), and within 50 miles by trees (31%) and cropland (30%).
This report illustrates the typical weather in Thermalito 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 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Thermalito.
For each station, the records are corrected for the elevation difference between that station and Thermalito 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 Thermalito is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Thermalito and a given station.
Time zones for aiports and weather stations are provided by AskGeo.com .