Average Weather in November in Boise Idaho, United States
Daily high temperatures decrease by 15°F, from 57°F to 42°F, rarely falling below 31°F or exceeding 67°F.
Daily low temperatures decrease by 9°F, from 38°F to 29°F, rarely falling below 18°F or exceeding 48°F.
For reference, on July 26, the hottest day of the year, temperatures in Boise typically range from 63°F to 93°F, while on January 1, the coldest day of the year, they range from 24°F to 36°F.
Average High and Low Temperature in November
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on November. 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 November
The month of November in Boise experiences increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 48% to 57%.
The clearest day of the month is November 1, with clear, mostly clear, or partly cloudy conditions 52% of the time.
For reference, on January 10, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 59%, while on July 28, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 83%.
Cloud Cover Categories in November
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Boise, the chance of a wet day over the course of November is rapidly increasing, starting the month at 19% and ending it at 27%.
For reference, the year's highest daily chance of a wet day is 28% on December 1, and its lowest chance is 3% on July 28.
Over the course of November in Boise, the chance of a day with only rain increases from 19% to 22%, the chance of a day with mixed snow and rain increases from 0% to 3%, and the chance of a day with only snow increases from 0% to 2%.
Probability of Precipitation in November
The average sliding 31-day rainfall during November in Boise is gradually increasing, starting the month at 1.2 inches, when it rarely exceeds 2.1 inches or falls below 0.4 inches, and ending the month at 1.5 inches, when it rarely exceeds 3.0 inches or falls below 0.4 inches.
Average Monthly Rainfall in November
We report snowfall in liquid-equivalent terms. The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. As with rainfall, we consider the liquid-equivalent snowfall accumulated over a sliding 31-day period centered around each day.
The average sliding 31-day liquid-equivalent snowfall during November in Boise is essentially constant, remaining about 0.1 inches throughout, and rarely exceeding 0.6 inches or falling below -0.0 inches.
Average Monthly Liquid-Equivalent Snowfall in November
Over the course of November in Boise, the length of the day is rapidly decreasing. From the start to the end of the month, the length of the day decreases by 1 hour, 3 minutes, implying an average daily decrease of 2 minutes, 9 seconds, and weekly decrease of 15 minutes, 6 seconds.
The shortest day of the month is November 30, with 9 hours, 12 minutes of daylight and the longest day is November 1, with 10 hours, 15 minutes of daylight.
Hours of Daylight and Twilight in November
The latest sunrise of the month in Boise is 8:23 AM on November 3 and the earliest sunrise is 59 minutes earlier at 7:24 AM on November 4.
The latest sunset is 6:35 PM on November 1 and the earliest sunset is 1 hour, 26 minutes earlier at 5:09 PM on November 30.
Daylight saving time (DST) ends at 1:00 AM on November 4, 2018, shifting sunrise and sunset to be an hour earlier.
For reference, on June 21, the longest day of the year, the Sun rises at 6:03 AM and sets 15 hours, 26 minutes later, at 9:29 PM, while on December 21, the shortest day of the year, it rises at 8:15 AM and sets 8 hours, 56 minutes later, at 5:10 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in November
The chance that a given day will be muggy in Boise is essentially constant during November, remaining around 0% throughout.
For reference, on August 24, the muggiest day of the year, there are muggy conditions 0% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in November
The average hourly wind speed in Boise is essentially constant during November, remaining within 0.2 miles per hour of 6.8 miles per hour throughout.
For reference, on April 1, the windiest day of the year, the daily average wind speed is 7.5 miles per hour, while on September 15, the calmest day of the year, the daily average wind speed is 6.3 miles per hour.
The highest daily average wind speed during November is 7.0 miles per hour on November 25.
Average Wind Speed in November
Wind Direction in November
The growing season in Boise typically lasts for 5.9 months (179 days), from around April 23 to around October 19, rarely starting before March 31 or after May 16, and rarely ending before September 26 or after November 10.
The month of November in Boise is more likely than not fully outside of the growing season, with the chance that a given day is in the growing season rapidly decreasing from 23% to 0% over the course of the month.
Time Spent in Various Temperature Bands and the Growing Season in November
The average accumulated growing degree days in Boise are essentially constant during November, remaining within 14°F of 3,199°F throughout.
Growing Degree Days in November
The average daily incident shortwave solar energy in Boise is decreasing during November, falling by 1.0 kWh, from 2.8 kWh to 1.8 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in November
For the purposes of this report, the geographical coordinates of Boise are 43.613 deg latitude, -116.203 deg longitude, and 2,740 ft elevation.
The topography within 2 miles of Boise contains significant variations in elevation, with a maximum elevation change of 505 feet and an average elevation above sea level of 2,746 feet. Within 10 miles contains significant variations in elevation (3,980 feet). Within 50 miles also contains extreme variations in elevation (7,556 feet).
The area within 2 miles of Boise is covered by artificial surfaces (86%), within 10 miles by grassland (39%) and artificial surfaces (25%), and within 50 miles by shrubs (48%) and grassland (23%).
This report illustrates the typical weather in Boise 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 Boise.
For each station, the records are corrected for the elevation difference between that station and Boise 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 Boise is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Boise and a given station.
The stations contributing to this reconstruction are: Boise Air Terminal (98%, 6.0 kilometers, southwest); Stanley, Stanley Ranger Station (0.7%, 120 kilometers, northeast); and McCall Airport (0.8%, 142 kilometers, north).
Time zones for aiports and weather stations are provided by AskGeo.com .