Average Weather in Pine Grove California, United States
In Pine Grove, the summers are hot, arid, and mostly clear and the winters are long, cold, wet, and partly cloudy. Over the course of the year, the temperature typically varies from 39°F to 89°F and is rarely below 31°F or above 96°F.
The hot season lasts for 3.2 months, from June 13 to September 20, with an average daily high temperature above 81°F. The hottest day of the year is July 28, with an average high of 89°F and low of 65°F.
The cool season lasts for 3.9 months, from November 15 to March 12, with an average daily high temperature below 59°F. The coldest day of the year is December 23, with an average low of 39°F and high of 52°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 Pine Grove, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year.
The clearer part of the year in Pine Grove begins around May 21 and lasts for 5.1 months, ending around October 25. On July 29, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 90% of the time, and overcast or mostly cloudy 10% of the time.
The cloudier part of the year begins around October 25 and lasts for 6.9 months, ending around May 21. On February 21, the cloudiest day of the year, the sky is overcast or mostly cloudy 58% of the time, and clear, mostly clear, or partly cloudy 42% 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 Pine Grove varies significantly throughout the year.
The wetter season lasts 5.8 months, from October 29 to April 23, with a greater than 18% chance of a given day being a wet day. The chance of a wet day peaks at 34% on February 20.
The drier season lasts 6.2 months, from April 23 to October 29. The smallest chance of a wet day is 1% on July 23.
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 32% on February 20.
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. Pine Grove experiences extreme seasonal variation in monthly rainfall.
The rainy period of the year lasts for 8.5 months, from September 21 to June 6, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around February 17, with an average total accumulation of 5.2 inches.
The rainless period of the year lasts for 3.5 months, from June 6 to September 21. The least rain falls around August 2, with an average total accumulation of 0.0 inches.
Average Monthly Rainfall
The length of the day in Pine Grove varies significantly over the course of the year. In 2017, the shortest day is December 21, with 9 hours, 29 minutes of daylight; the longest day is June 21, with 14 hours, 51 minutes of daylight.
Hours of Daylight and Twilight
The earliest sunrise is at 5:38 AM on June 13, and the latest sunrise is 1 hour, 54 minutes later at 7:32 AM on November 4. The earliest sunset is at 4:41 PM on December 6, and the latest sunset is 3 hours, 49 minutes later at 8:30 PM on June 27.
Daylight saving time (DST) is observed in Pine Grove 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 Pine Grove, 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 Pine Grove varies throughout the year.
The wind is most often from the south for 1.7 months, from February 17 to April 8, with a peak percentage of 39% on March 1. The wind is most often from the west for 5.6 months, from April 8 to September 27, with a peak percentage of 51% on July 14. The wind is most often from the east for 4.6 months, from September 27 to February 17, with a peak percentage of 49% on January 1.
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 3.5 months, from May 9 to August 24, with an average daily incident shortwave energy per square meter above 7.3 kWh. The brightest day of the year is June 26, with an average of 8.6 kWh.
The darker period of the year lasts for 3.6 months, from November 2 to February 19, with an average daily incident shortwave energy per square meter below 3.5 kWh. The darkest day of the year is December 21, with an average of 2.2 kWh.
Average Daily Incident Shortwave Solar Energy
For the purposes of this report, the geographical coordinates of Pine Grove are 38.413 deg latitude, -120.659 deg longitude, and 2,326 ft elevation.
The topography within 2 miles of Pine Grove contains very significant variations in elevation, with a maximum elevation change of 1,184 feet and an average elevation above sea level of 2,401 feet. Within 10 miles contains very significant variations in elevation (3,468 feet). Within 50 miles also contains extreme variations in elevation (10,853 feet).
The area within 2 miles of Pine Grove is covered by trees (52%) and shrubs (48%), within 10 miles by trees (41%) and shrubs (39%), and within 50 miles by trees (33%) and grassland (24%).
This report illustrates the typical weather in Pine Grove, 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 Pine Grove.
For each station, the records are corrected for the elevation difference between that station and Pine Grove 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 Pine Grove is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Pine Grove and a given station.
The stations contributing to this reconstruction are: Placerville Airport (65%, 35 kilometers, north); Sacramento Mather Airport (16%, 58 kilometers, west); Stockton Metropolitan Airport (13%, 77 kilometers, southwest); and Bridgeport Sonora Junction (6%, 100 kilometers, east).
Time zones for aiports and weather stations are provided by AskGeo.com .