Average Weather in March in Lake Arrowhead California, United States
Daily high temperatures increase by 5°F, from 56°F to 61°F, rarely falling below 45°F or exceeding 72°F.
Daily low temperatures increase by 3°F, from 33°F to 36°F, rarely falling below 25°F or exceeding 43°F.
For reference, on July 27, the hottest day of the year, temperatures in Lake Arrowhead typically range from 57°F to 85°F, while on December 25, the coldest day of the year, they range from 28°F to 49°F.
Average High and Low Temperature in March
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on March. 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 March
The month of March in Lake Arrowhead experiences decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 43% to 32%.
The clearest day of the month is March 30, with clear, mostly clear, or partly cloudy conditions 68% of the time.
For reference, on February 21, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 46%, while on September 7, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 90%.
Cloud Cover Categories in March
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Lake Arrowhead, the chance of a wet day over the course of March is rapidly decreasing, starting the month at 17% and ending it at 9%.
For reference, the year's highest daily chance of a wet day is 18% on February 21, and its lowest chance is 1% on June 15.
Over the course of March in Lake Arrowhead, the chance of a day with only rain decreases from 14% to 8%, the chance of a day with mixed snow and rain remains an essentially constant 2% throughout, and the chance of a day with only snow remains an essentially constant 0% throughout.
Probability of Precipitation in March
The average sliding 31-day rainfall during March in Lake Arrowhead is rapidly decreasing, starting the month at 1.7 inches, when it rarely exceeds 4.2 inches or falls below 0.1 inches, and ending the month at 0.7 inches, when it rarely exceeds 1.9 inches.
Average Monthly Rainfall in March
Over the course of March in Lake Arrowhead, the length of the day is rapidly increasing. From the start to the end of the month, the length of the day increases by 1 hour, 4 minutes, implying an average daily increase of 2 minutes, 8 seconds, and weekly increase of 14 minutes, 59 seconds.
The shortest day of the month is March 1, with 11 hours, 28 minutes of daylight and the longest day is March 31, with 12 hours, 32 minutes of daylight.
Hours of Daylight and Twilight in March
The earliest sunrise of the month in Lake Arrowhead is 6:05 AM on March 10 and the latest sunrise is 59 minutes later at 7:04 AM on March 11.
The earliest sunset is 5:45 PM on March 1 and the latest sunset is 1 hour, 24 minutes later at 7:09 PM on March 31.
Daylight saving time (DST) starts at 3:00 AM on March 11, 2018, shifting sunrise and sunset to be an hour later.
For reference, on June 21, the longest day of the year, the Sun rises at 5:37 AM and sets 14 hours, 27 minutes later, at 8:03 PM, while on December 21, the shortest day of the year, it rises at 6:50 AM and sets 9 hours, 52 minutes later, at 4:42 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in March
The chance that a given day will be muggy in Lake Arrowhead is essentially constant during March, remaining around 0% throughout.
For reference, on August 22, the muggiest day of the year, there are muggy conditions 0% of the time, while on September 22, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in March
The average hourly wind speed in Lake Arrowhead is essentially constant during March, remaining within 0.2 miles per hour of 7.4 miles per hour throughout.
For reference, on April 26, the windiest day of the year, the daily average wind speed is 7.9 miles per hour, while on September 9, the calmest day of the year, the daily average wind speed is 5.8 miles per hour.
Average Wind Speed in March
Wind Direction in March
Lake Arrowhead 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 Lake Arrowhead is essentially constant during March, remaining around 59°F throughout.
Average Water Temperature in March
The growing season in Lake Arrowhead typically lasts for 6.5 months (199 days), from around April 18 to around November 3, rarely starting before March 22 or after May 11, and rarely ending before October 17 or after November 20.
The month of March in Lake Arrowhead is more likely than not fully outside of the growing season, with the chance that a given day is in the growing season increasing from 1% to 18% over the course of the month.
Time Spent in Various Temperature Bands and the Growing Season in March
The average accumulated growing degree days in Lake Arrowhead are gradually increasing during March, increasing by 74°F, from 55°F to 129°F, over the course of the month.
Growing Degree Days in March
The average daily incident shortwave solar energy in Lake Arrowhead is rapidly increasing during March, rising by 1.6 kWh, from 4.9 kWh to 6.6 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in March
For the purposes of this report, the geographical coordinates of Lake Arrowhead are 34.248 deg latitude, -117.189 deg longitude, and 5,207 ft elevation.
The topography within 2 miles of Lake Arrowhead contains very significant variations in elevation, with a maximum elevation change of 1,896 feet and an average elevation above sea level of 5,314 feet. Within 10 miles contains very significant variations in elevation (7,244 feet). Within 50 miles also contains extreme variations in elevation (11,394 feet).
The area within 2 miles of Lake Arrowhead is covered by trees (66%) and shrubs (33%), within 10 miles by shrubs (68%) and trees (19%), and within 50 miles by shrubs (77%).
This report illustrates the typical weather in Lake Arrowhead 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 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Lake Arrowhead.
For each station, the records are corrected for the elevation difference between that station and Lake Arrowhead 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 Lake Arrowhead is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Lake Arrowhead and a given station.
The stations contributing to this reconstruction are: San Bernardino International Airport (27%, 18 kilometers, south); Southern California Logistics Airport (50%, 41 kilometers, northwest); and Twenty-Nine Palms, Marine Corps Air-Ground Combat Center (24%, 94 kilometers, east).
Time zones for aiports and weather stations are provided by AskGeo.com .