Average Weather in August in Thousand Oaks California, United States
Daily high temperatures are around 80°F, rarely falling below 73°F or exceeding 89°F. The highest daily average high temperature is 81°F on August 23.
Daily low temperatures are around 61°F, rarely falling below 56°F or exceeding 68°F. The highest daily average low temperature is 62°F on August 25.
For reference, on August 23, the hottest day of the year, temperatures in Thousand Oaks typically range from 62°F to 81°F, while on December 25, the coldest day of the year, they range from 46°F to 62°F.
Average High and Low Temperature in August
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on August. 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 August
The month of August in Thousand Oaks experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 9% throughout the month.
The clearest day of the month is August 23, with clear, mostly clear, or partly cloudy conditions 91% of the time.
For reference, on February 22, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 43%, while on September 7, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 91%.
Cloud Cover Categories in August
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.
The average sliding 31-day rainfall during August in Thousand Oaks is essentially constant, remaining about 0.0 inches throughout, and rarely exceeding 0.2 inches or falling below -0.0 inches.
Average Monthly Rainfall in August
Over the course of August in Thousand Oaks, the length of the day is decreasing. From the start to the end of the month, the length of the day decreases by 56 minutes, implying an average daily decrease of 1 minute, 51 seconds, and weekly decrease of 12 minutes, 58 seconds.
The shortest day of the month is August 31, with 12 hours, 54 minutes of daylight and the longest day is August 1, with 13 hours, 50 minutes of daylight.
Hours of Daylight and Twilight in August
The earliest sunrise of the month in Thousand Oaks is 6:06 AM on August 1 and the latest sunrise is 22 minutes later at 6:28 AM on August 31.
The latest sunset is 7:56 PM on August 1 and the earliest sunset is 34 minutes earlier at 7:22 PM on August 31.
Daylight saving time is observed in Thousand Oaks during 2018, but it neither starts nor ends during August, so the entire month is in daylight saving time.
For reference, on June 21, the longest day of the year, the Sun rises at 5:44 AM and sets 14 hours, 26 minutes later, at 8:10 PM, while on December 21, the shortest day of the year, it rises at 6:57 AM and sets 9 hours, 52 minutes later, at 4:49 PM.
Sunrise & Sunset with Twilight in August
The chance that a given day will be muggy in Thousand Oaks is essentially constant during August, remaining within 1% of 5% throughout.
The highest chance of a muggy day during August is 6% on August 4.
For reference, on August 4, the muggiest day of the year, there are muggy conditions 6% of the time, while on November 13, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in August
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Thousand Oaks is essentially constant during August, remaining within 0.1 miles per hour of 5.0 miles per hour throughout.
For reference, on December 30, the windiest day of the year, the daily average wind speed is 9.3 miles per hour, while on August 9, the calmest day of the year, the daily average wind speed is 4.9 miles per hour.
The lowest daily average wind speed during August is 4.9 miles per hour on August 9.
Average Wind Speed in August
Wind Direction in August
Thousand Oaks is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.
The average surface water temperature in Thousand Oaks is essentially constant during August, remaining around 67°F throughout.
The highest average surface water temperature during August is 67°F on August 24.
Average Water Temperature in August
Temperatures in Thousand Oaks are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.
Time Spent in Various Temperature Bands and the Growing Season in August
The average accumulated growing degree days in Thousand Oaks are rapidly increasing during August, increasing by 589°F, from 2,180°F to 2,768°F, over the course of the month.
Growing Degree Days in August
The average daily incident shortwave solar energy in Thousand Oaks is gradually decreasing during August, falling by 0.9 kWh, from 8.0 kWh to 7.1 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in August
For the purposes of this report, the geographical coordinates of Thousand Oaks are 34.171 deg latitude, -118.838 deg longitude, and 1,017 ft elevation.
The topography within 2 miles of Thousand Oaks contains very significant variations in elevation, with a maximum elevation change of 915 feet and an average elevation above sea level of 1,034 feet. Within 10 miles contains very significant variations in elevation (3,012 feet). Within 50 miles contains large variations in elevation (8,832 feet).
The area within 2 miles of Thousand Oaks is covered by shrubs (63%) and artificial surfaces (34%), within 10 miles by shrubs (61%) and artificial surfaces (20%), and within 50 miles by water (41%) and shrubs (31%).
This report illustrates the typical weather in Thousand Oaks 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 Thousand Oaks.
For each station, the records are corrected for the elevation difference between that station and Thousand Oaks 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 Thousand Oaks is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Thousand Oaks and a given station.
Time zones for aiports and weather stations are provided by AskGeo.com .