Average Weather in January in Shackelford California, United States
In Shackelford, the month of January is characterized by rising daily high temperatures, with daily highs increasing by 5°F, from 54°F to 59°F over the course of the month, and rarely exceeding 66°F or dropping below 46°F.
Daily low temperatures increase by 2°F, from 39°F to 41°F, rarely falling below 30°F or exceeding 50°F.
For reference, on July 18, the hottest day of the year, temperatures in Shackelford typically range from 64°F to 95°F, while on December 31, the coldest day of the year, they range from 39°F to 54°F.
Average High and Low Temperature in January
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on January. 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 January
The month of January in Shackelford experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 52% throughout the month.
The clearest day of the month is January 26, with clear, mostly clear, or partly cloudy conditions 49% of the time.
For reference, on February 6, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 53%, while on July 29, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 92%.
Cloud Cover Categories in January
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Shackelford, the chance of a wet day over the course of January is essentially constant, remaining around 24% throughout.
For reference, the year's highest daily chance of a wet day is 29% on February 20, and its lowest chance is 0% on August 1.
Probability of Precipitation in January
The average sliding 31-day rainfall during January in Shackelford is essentially constant, remaining about 3.0 inches throughout, and rarely exceeding 6.4 inches or falling below 0.2 inches.
Average Monthly Rainfall in January
Over the course of January in Shackelford, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 41 minutes, implying an average daily increase of 1 minute, 23 seconds, and weekly increase of 9 minutes, 40 seconds.
The shortest day of the month is January 1, with 9 hours, 38 minutes of daylight and the longest day is January 31, with 10 hours, 19 minutes of daylight.
Hours of Daylight and Twilight in January
The latest sunrise of the month in Shackelford is 7:19 AM on January 5 and the earliest sunrise is 11 minutes earlier at 7:08 AM on January 31.
The earliest sunset is 4:56 PM on January 1 and the latest sunset is 31 minutes later at 5:27 PM on January 31.
Daylight saving time is observed in Shackelford during 2017, but it neither starts nor ends during January, so the entire month is in standard time.
For reference, on June 21, the longest day of the year, the Sun rises at 5:42 AM and sets 14 hours, 46 minutes later, at 8:28 PM, while on December 21, the shortest day of the year, it rises at 7:15 AM and sets 9 hours, 34 minutes later, at 4:49 PM.
Sunrise & Sunset with Twilight in January
The chance that a given day will be muggy in Shackelford is essentially constant during January, remaining around 0% throughout.
For reference, on July 17, the muggiest day of the year, there are muggy conditions 0% of the time, while on November 9, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in January
The average hourly wind speed in Shackelford is essentially constant during January, remaining within 0.1 miles per hour of 5.7 miles per hour throughout.
For reference, on June 19, the windiest day of the year, the daily average wind speed is 8.7 miles per hour, while on November 2, the calmest day of the year, the daily average wind speed is 5.6 miles per hour.
The lowest daily average wind speed during January is 5.6 miles per hour on January 21.
Average Wind Speed in January
Wind Direction in January
The growing season in Shackelford typically lasts for 10 months (318 days), from around January 24 to around December 7, rarely starting after February 22, or ending before November 17.
During January in Shackelford, the chance that a given day is within the growing season is rapidly increasing rising from 26% to 60% over the course of the month.
Time Spent in Various Temperature Bands and the Growing Season in January
The average accumulated growing degree days in Shackelford is gradually increasing during January, increasing by 42°F, from 10°F to 52°F, over the course of the month.
Growing Degree Days in January
The average daily incident shortwave solar energy in Shackelford is gradually increasing during January, rising by 0.6 kWh, from 2.3 kWh to 2.9 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in January
For the purposes of this report, the geographical coordinates of Shackelford are 37.614 deg latitude, -120.993 deg longitude, and 85 ft elevation.
The topography within 2 miles of Shackelford is essentially flat, with a maximum elevation change of 62 feet and an average elevation above sea level of 82 feet. Within 10 miles is essentially flat (148 feet). Within 50 miles contains only modest variations in elevation (4,377 feet).
The area within 2 miles of Shackelford is covered by artificial surfaces (85%) and cropland (13%), within 10 miles by cropland (78%) and artificial surfaces (21%), and within 50 miles by grassland (38%) and cropland (38%).
This report illustrates the typical weather in Shackelford 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 Shackelford.
For each station, the records are corrected for the elevation difference between that station and Shackelford 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 Shackelford is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Shackelford and a given station.
The stations contributing to this reconstruction are: Modesto City-County Airport (95%, 3.8 kilometers, east); Stockton Metropolitan Airport (3.2%, 37 kilometers, northwest); Reid-Hillview of Santa Clara County Airport (1.0%, 79 kilometers, southwest); and South County Airport Of Santa Clara County (1.0%, 80 kilometers, southwest).
Time zones for aiports and weather stations are provided by AskGeo.com .