Average Weather in East Quincy California, United States
In East Quincy, the summers are warm, dry, and mostly clear and the winters are chilly, wet, and partly cloudy. Over the course of the year, the temperature typically varies from 33°F to 83°F and is rarely below 24°F or above 90°F.
The warm season lasts for 3.2 months, from June 14 to September 20, with an average daily high temperature above 75°F. The hottest day of the year is July 29, with an average high of 83°F and low of 63°F.
The cool season lasts for 3.7 months, from November 17 to March 7, with an average daily high temperature below 51°F. The coldest day of the year is January 1, with an average low of 33°F and high of 43°F.
Average High and Low Temperature
The figure below shows you a compact characterization of the entire year of hourly average temperatures. The horizontal axis is the day of the year, 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 East Quincy, the average percentage of the sky covered by clouds experiences extreme seasonal variation over the course of the year.
The clearer part of the year in East Quincy begins around May 29 and lasts for 4.7 months, ending around October 19. On July 29, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 89% of the time, and overcast or mostly cloudy 11% of the time.
The cloudier part of the year begins around October 19 and lasts for 7.3 months, ending around May 29. On February 26, the cloudiest day of the year, the sky is overcast or mostly cloudy 62% of the time, and clear, mostly clear, or partly cloudy 38% of the time.
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in East Quincy varies significantly throughout the year.
The wetter season lasts 5.9 months, from October 28 to April 26, with a greater than 20% chance of a given day being a wet day. The chance of a wet day peaks at 37% on March 1.
The drier season lasts 6.1 months, from April 26 to October 28. The smallest chance of a wet day is 1% on July 19.
Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 33% on March 1.
Daily Chance of Precipitation
To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. East Quincy experiences extreme seasonal variation in monthly rainfall.
The rainy period of the year lasts for 9.2 months, from September 13 to June 18, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around February 18, with an average total accumulation of 6.0 inches.
The rainless period of the year lasts for 2.8 months, from June 18 to September 13. The least rain falls around July 31, with an average total accumulation of 0.1 inches.
Average Monthly Rainfall
The sliding 31-day liquid-equivalent quantity of snowfall in East Quincy does not vary significantly over the course of the year, staying within 0.1 inches of 0.1 inches throughout.
Average Liquid-Equivalent Monthly Snowfall
The length of the day in East Quincy varies significantly over the course of the year. In 2017, the shortest day is December 21, with 9 hours, 20 minutes of daylight; the longest day is June 21, with 15 hours, 1 minute of daylight.
Hours of Daylight and Twilight
The earliest sunrise is at 5:34 AM on June 13, and the latest sunrise is 2 hours, 2 minutes later at 7:36 AM on November 4. The earliest sunset is at 4:38 PM on December 6, and the latest sunset is 3 hours, 58 minutes later at 8:36 PM on June 27.
Daylight saving time (DST) is observed in East Quincy during 2017, starting in the spring on March 12, lasting 7.8 months, and ending in the fall on November 5.
Sunrise & Sunset with Twilight and Daylight Saving Time
The perceived humidity level in East Quincy, as measured by the percentage of time in which the humidity comfort level is muggy, oppressive, or miserable, does not vary significantly over the course of the year, remaining a virtually constant 0% throughout.
Humidity Comfort Levels
Average Wind Speed
The predominant average hourly wind direction in East Quincy varies throughout the year.
The wind is most often from the south for 3.1 months, from February 2 to May 6; for 1.0 months, from August 16 to September 16; for 6.0 days, from November 5 to November 11; and for 2.1 weeks, from November 17 to December 2, with a peak percentage of 48% on February 27. The wind is most often from the west for 3.3 months, from May 6 to August 16, with a peak percentage of 44% on July 23. The wind is most often from the east for 1.6 months, from September 16 to November 5; for 6.0 days, from November 11 to November 17; and for 2.0 months, from December 2 to February 2, with a peak percentage of 41% on October 20.
The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year.
The brighter period of the year lasts for 3.4 months, from May 12 to August 24, with an average daily incident shortwave energy per square meter above 7.3 kWh. The brightest day of the year is July 1, with an average of 8.6 kWh.
The darker period of the year lasts for 3.6 months, from November 1 to February 17, with an average daily incident shortwave energy per square meter below 3.3 kWh. The darkest day of the year is December 19, with an average of 2.0 kWh.
Average Daily Incident Shortwave Solar Energy
For the purposes of this report, the geographical coordinates of East Quincy are 39.934 deg latitude, -120.898 deg longitude, and 3,839 ft elevation.
The topography within 2 miles of East Quincy contains very significant variations in elevation, with a maximum elevation change of 1,545 feet and an average elevation above sea level of 3,723 feet. Within 10 miles contains very significant variations in elevation (4,911 feet). Within 50 miles also contains extreme variations in elevation (9,915 feet).
The area within 2 miles of East Quincy is covered by shrubs (48%) and trees (41%), within 10 miles by trees (85%) and shrubs (14%), and within 50 miles by trees (62%) and shrubs (28%).
This report illustrates the typical weather in East Quincy, 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 East Quincy.
For each station, the records are corrected for the elevation difference between that station and East Quincy 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 East Quincy is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between East Quincy and a given station.
The stations contributing to this reconstruction are: Blue Canyon-Nyack Airport (50%, 75 kilometers, south); Oroville Municipal Airport (25%, 79 kilometers, southwest); and Chico Municipal Airport (25%, 83 kilometers, west).
Time zones for aiports and weather stations are provided by AskGeo.com .