Average Weather in January in Victorville California, United States
Daily high temperatures increase by 3°F, from 57°F to 60°F, rarely falling below 47°F or exceeding 70°F.
Daily low temperatures increase by 3°F, from 34°F to 37°F, rarely falling below 26°F or exceeding 46°F.
For reference, on July 26, the hottest day of the year, temperatures in Victorville typically range from 68°F to 98°F, while on December 25, the coldest day of the year, they range from 34°F to 56°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 Victorville experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 41% throughout the month.
The clearest day of the month is January 21, with clear, mostly clear, or partly cloudy conditions 60% of the time.
For reference, on February 21, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 45%, while on September 7, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 89%.
Cloud Cover Categories in January
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Victorville, the chance of a wet day over the course of January is essentially constant, remaining around 13% throughout.
For reference, the year's highest daily chance of a wet day is 17% on February 21, and its lowest chance is 1% on June 21.
Probability of Precipitation in January
The average sliding 31-day rainfall during January in Victorville is essentially constant, remaining about 1.6 inches throughout, and rarely exceeding 4.8 inches.
Average Monthly Rainfall in January
Over the course of January in Victorville, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 36 minutes, implying an average daily increase of 1 minute, 13 seconds, and weekly increase of 8 minutes, 30 seconds.
The shortest day of the month is January 1, with 9 hours, 54 minutes of daylight and the longest day is January 31, with 10 hours, 30 minutes of daylight.
Hours of Daylight and Twilight in January
The latest sunrise of the month in Victorville is 6:56 AM on January 7 and the earliest sunrise is 9 minutes earlier at 6:47 AM on January 31.
The earliest sunset is 4:49 PM on January 1 and the latest sunset is 28 minutes later at 5:17 PM on January 31.
Daylight saving time is observed in Victorville during 2018, 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 5:36 AM and sets 14 hours, 28 minutes later, at 8:05 PM, while on December 21, the shortest day of the year, it rises at 6:52 AM and sets 9 hours, 51 minutes later, at 4:42 PM.
Sunrise & Sunset with Twilight in January
The chance that a given day will be muggy in Victorville is essentially constant during January, remaining around 0% throughout.
For reference, on August 22, the muggiest day of the year, there are muggy conditions 1% of the time, while on October 31, 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 Victorville is essentially constant during January, remaining within 0.1 miles per hour of 7.7 miles per hour throughout.
For reference, on May 3, the windiest day of the year, the daily average wind speed is 9.1 miles per hour, while on September 9, the calmest day of the year, the daily average wind speed is 6.8 miles per hour.
The lowest daily average wind speed during January is 7.6 miles per hour on January 10.
Average Wind Speed in January
Wind Direction in January
The growing season in Victorville typically lasts for 8.6 months (265 days), from around March 2 to around November 22, rarely starting before January 28 or after April 6, and rarely ending before October 31 or after December 15.
The month of January in Victorville is more likely than not fully outside of the growing season, with the chance that a given day is in the growing season reaching a low of 0% on January 6.
Time Spent in Various Temperature Bands and the Growing Season in January
The average accumulated growing degree days in Victorville are gradually increasing during January, increasing by 68°F, from 0°F to 68°F, over the course of the month.
Growing Degree Days in January
The average daily incident shortwave solar energy in Victorville is gradually increasing during January, rising by 0.7 kWh, from 3.1 kWh to 3.8 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 Victorville are 34.536 deg latitude, -117.291 deg longitude, and 2,877 ft elevation.
The topography within 2 miles of Victorville contains significant variations in elevation, with a maximum elevation change of 610 feet and an average elevation above sea level of 2,832 feet. Within 10 miles contains significant variations in elevation (1,972 feet). Within 50 miles contains large variations in elevation (11,237 feet).
The area within 2 miles of Victorville is covered by shrubs (93%), within 10 miles by shrubs (98%), and within 50 miles by shrubs (81%).
This report illustrates the typical weather in Victorville 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 Victorville.
For each station, the records are corrected for the elevation difference between that station and Victorville 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 Victorville is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Victorville and a given station.
The stations contributing to this reconstruction are: Southern California Logistics Airport (87%, 10 kilometers, northwest); San Bernardino International Airport (4.4%, 49 kilometers, south); Barstow Daggett County Airport (5%, 58 kilometers, northeast); and Ontario International Airport (3.5%, 62 kilometers, southwest).
Time zones for aiports and weather stations are provided by AskGeo.com .