Average Weather in May in Rancho Calaveras California, United States
In Rancho Calaveras, the month of May is characterized by rising daily high temperatures, with daily highs increasing by 7°F, from 76°F to 83°F over the course of the month, and rarely exceeding 95°F or dropping below 64°F.
Daily low temperatures increase by 5°F, from 52°F to 57°F, rarely falling below 45°F or exceeding 64°F.
For reference, on July 19, the hottest day of the year, temperatures in Rancho Calaveras typically range from 65°F to 94°F, while on December 31, the coldest day of the year, they range from 40°F to 54°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 Rancho Calaveras experiences decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 38% to 26%.
The clearest day of the month is May 31, with clear, mostly clear, or partly cloudy conditions 74% of the time.
For reference, on February 21, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 55%, 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 May
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Rancho Calaveras, the chance of a wet day over the course of May is decreasing, starting the month at 12% and ending it at 6%.
For reference, the year's highest daily chance of a wet day is 31% on February 20, and its lowest chance is 0% on August 1.
Probability of Precipitation in May
The average sliding 31-day rainfall during May in Rancho Calaveras is decreasing, starting the month at 1.0 inches, when it rarely exceeds 2.5 inches or falls below 0.1 inches, and ending the month at 0.4 inches, when it rarely exceeds 1.5 inches.
Average Monthly Rainfall in May
Over the course of May in Rancho Calaveras, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 50 minutes, implying an average daily increase of 1 minute, 39 seconds, and weekly increase of 11 minutes, 34 seconds.
The shortest day of the month is May 1, with 13 hours, 48 minutes of daylight and the longest day is May 31, with 14 hours, 38 minutes of daylight.
Hours of Daylight and Twilight in May
The latest sunrise of the month in Rancho Calaveras is 6:06 AM on May 1 and the earliest sunrise is 24 minutes earlier at 5:42 AM on May 31.
The earliest sunset is 7:54 PM on May 1 and the latest sunset is 25 minutes later at 8:20 PM on May 31.
Daylight saving time is observed in Rancho Calaveras during 2017, 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 5:40 AM and sets 14 hours, 49 minutes later, at 8:29 PM, while on December 21, the shortest day of the year, it rises at 7:16 AM and sets 9 hours, 31 minutes later, at 4:47 PM.
Sunrise & Sunset with Twilight in May
The chance that a given day will be muggy in Rancho Calaveras is essentially constant during May, remaining around 0% throughout.
For reference, on September 10, 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 May
The average hourly wind speed in Rancho Calaveras is essentially constant during May, remaining within 0.1 miles per hour of 3.2 miles per hour throughout.
For reference, on June 19, the windiest day of the year, the daily average wind speed is 3.3 miles per hour, while on October 9, the calmest day of the year, the daily average wind speed is 2.5 miles per hour.
Average Wind Speed in May
Wind Direction in May
The average daily incident shortwave solar energy in Rancho Calaveras is increasing during May, rising by 1.0 kWh, from 6.9 kWh to 7.9 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 Rancho Calaveras are 38.127 deg latitude, -120.858 deg longitude, and 499 ft elevation.
The topography within 2 miles of Rancho Calaveras contains very significant variations in elevation, with a maximum elevation change of 1,024 feet and an average elevation above sea level of 514 feet. Within 10 miles contains very significant variations in elevation (2,687 feet). Within 50 miles contains large variations in elevation (8,891 feet).
The area within 2 miles of Rancho Calaveras is covered by grassland (98%), within 10 miles by grassland (83%), and within 50 miles by cropland (30%) and grassland (27%).
This report illustrates the typical weather in Rancho Calaveras 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 Rancho Calaveras.
For each station, the records are corrected for the elevation difference between that station and Rancho Calaveras 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 Rancho Calaveras is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Rancho Calaveras and a given station.
The stations contributing to this reconstruction are: Stockton Metropolitan Airport (50%, 42 kilometers, southwest); Sacramento Mather Airport (29%, 62 kilometers, northwest); Placerville Airport (17%, 66 kilometers, north); and Bridgeport Sonora Junction (4.3%, 120 kilometers, east).
Time zones for aiports and weather stations are provided by AskGeo.com .