Average Weather in May in Thousand Oaks California, United States
Daily high temperatures are around 71°F, rarely falling below 61°F or exceeding 81°F.
Daily low temperatures increase by 3°F, from 52°F to 55°F, rarely falling below 47°F or exceeding 59°F.
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 May
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on May. 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 May
The month of May in Thousand Oaks experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 24% to 18%.
The clearest day of the month is May 31, with clear, mostly clear, or partly cloudy conditions 82% 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 May
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 Thousand Oaks, the chance of a wet day over the course of May is gradually decreasing, starting the month at 5% and ending it at 1%.
For reference, the year's highest daily chance of a wet day is 22% on February 20, and its lowest chance is 0% on July 29.
Probability of Precipitation in May
The average sliding 31-day rainfall during May in Thousand Oaks is gradually decreasing, starting the month at 0.5 inches, when it rarely exceeds 1.6 inches, and ending the month at 0.1 inches, when it rarely exceeds 0.4 inches.
Average Monthly Rainfall in May
Over the course of May in Thousand Oaks, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 43 minutes, implying an average daily increase of 1 minute, 25 seconds, and weekly increase of 9 minutes, 58 seconds.
The shortest day of the month is May 1, with 13 hours, 34 minutes of daylight and the longest day is May 31, with 14 hours, 16 minutes of daylight.
Hours of Daylight and Twilight in May
The latest sunrise of the month in Thousand Oaks is 6:05 AM on May 1 and the earliest sunrise is 21 minutes earlier at 5:44 AM on May 31.
The earliest sunset is 7:39 PM on May 1 and the latest sunset is 22 minutes later at 8:01 PM on May 31.
Daylight saving time is observed in Thousand Oaks during 2018, but it neither starts nor ends during May, 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 May
The chance that a given day will be muggy in Thousand Oaks is essentially constant during May, remaining around 0% throughout.
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 May
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 decreasing during May, decreasing from 7.4 miles per hour to 6.3 miles per hour over the course of the month.
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.
Average Wind Speed in May
Wind Direction in May
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 gradually increasing during May, rising by 2°F, from 60°F to 62°F, over the course of the month.
Average Water Temperature in May
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 May
The average accumulated growing degree days in Thousand Oaks are increasing during May, increasing by 339°F, from 814°F to 1,154°F, over the course of the month.
Growing Degree Days in May
The average daily incident shortwave solar energy in Thousand Oaks is gradually increasing during May, rising by 0.7 kWh, from 7.6 kWh to 8.3 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in May
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 .