Average Weather in January in Isla Vista California, United States
In Isla Vista, the month of January is characterized by essentially constant daily high temperatures, with daily highs around 64°F throughout the month, rarely exceeding 73°F or dropping below 56°F.
Daily low temperatures decrease by 12°F, from 56°F to 44°F, rarely falling below 36°F or exceeding 65°F. The lowest daily average low temperature is 44°F on January 31.
For reference, on August 26, the hottest day of the year, temperatures in Isla Vista typically range from 58°F to 74°F, while on January 31, the coldest day of the year, they range from 44°F to 64°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 Isla Vista 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 26, with clear, mostly clear, or partly cloudy conditions 61% of the time.
For reference, on February 23, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 44%, while on August 9, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 92%.
Cloud Cover in January
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Isla Vista, the chance of a wet day over the course of January is very rapidly increasing, starting the month at 3% and ending it at 18%.
For reference, the year's highest daily chance of a wet day is 22% on February 20, and its lowest chance is 0% on July 30.
Probability of Precipitation in January
Over the course of January in Isla Vista, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 37 minutes, implying an average daily increase of 1 minute, 13 seconds, and weekly increase of 8 minutes, 32 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, 31 minutes of daylight.
Hours of Daylight and Twilight in January
The latest sunrise of the month in Isla Vista is 7:06 AM on January 6 and the earliest sunrise is 9 minutes earlier at 6:57 AM on January 31.
The earliest sunset is 5:00 PM on January 1 and the latest sunset is 28 minutes later at 5:28 PM on January 31.
Daylight saving time is observed in Isla Vista 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 5:47 AM and sets 14 hours, 28 minutes later, at 8:15 PM, while on December 21, the shortest day of the year, it rises at 7:02 AM and sets 9 hours, 51 minutes later, at 4:53 PM.
Sunrise & Sunset with Twilight in January
The chance that a given day will be muggy in Isla Vista is essentially constant during January, remaining around 0% throughout.
For reference, on August 31, the muggiest day of the year, there are muggy conditions 2% of the time, while on November 13, 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 Isla Vista is essentially constant during January, remaining within 0.1 miles per hour of 4.4 miles per hour throughout.
For reference, on April 26, the windiest day of the year, the daily average wind speed is 5.2 miles per hour, while on August 9, the calmest day of the year, the daily average wind speed is 3.7 miles per hour.
The lowest daily average wind speed during January is 4.3 miles per hour on January 13.
Average Wind Speed in January
Wind Direction in January
Isla Vista is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.
The average surface water temperature in Isla Vista is essentially constant during January, remaining around 57°F throughout.
Average Water Temperature in January
The average daily incident shortwave solar energy in Isla Vista is gradually increasing during January, rising by 0.7 kWh, from 2.9 kWh to 3.6 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 Isla Vista are 34.413 deg latitude, -119.861 deg longitude, and 0 ft elevation.
The topography within 2 miles of Isla Vista contains only modest variations in elevation, with a maximum elevation change of 118 feet and an average elevation above sea level of 17 feet. Within 10 miles contains only modest variations in elevation (3,986 feet). Within 50 miles also contains extreme variations in elevation (8,816 feet).
The area within 2 miles of Isla Vista is covered by artificial surfaces (45%), water (38%), and cropland (12%), within 10 miles by water (53%) and trees (15%), and within 50 miles by water (46%) and shrubs (27%).
This report illustrates the typical weather in Isla Vista 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 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Isla Vista.
For each station, the records are corrected for the elevation difference between that station and Isla Vista 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 Isla Vista is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Isla Vista and a given station.
Time zones for aiports and weather stations are provided by AskGeo.com .