Average Weather in October in Summerlin South Nevada, United States
Daily high temperatures decrease by 14°F, from 85°F to 71°F, rarely falling below 61°F or exceeding 93°F.
Daily low temperatures decrease by 12°F, from 61°F to 49°F, rarely falling below 41°F or exceeding 69°F.
For reference, on July 14, the hottest day of the year, temperatures in Summerlin South typically range from 76°F to 101°F, while on December 25, the coldest day of the year, they range from 35°F to 53°F.
Average High and Low Temperature in October
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on October. 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 October
The month of October in Summerlin South experiences increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 15% to 26%.
The clearest day of the month is October 1, with clear, mostly clear, or partly cloudy conditions 85% of the time.
For reference, on February 23, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 40%, while on June 21, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 88%.
Cloud Cover Categories in October
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Summerlin South, the chance of a wet day over the course of October is essentially constant, remaining around 5% throughout.
For reference, the year's highest daily chance of a wet day is 13% on February 21, and its lowest chance is 1% on June 16.
Probability of Precipitation in October
The average sliding 31-day rainfall during October in Summerlin South is essentially constant, remaining about 0.3 inches throughout, and rarely exceeding 0.9 inches.
The lowest average 31-day accumulation is 0.3 inches on October 7.
Average Monthly Rainfall in October
Over the course of October in Summerlin South, 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, 5 minutes, implying an average daily decrease of 2 minutes, 10 seconds, and weekly decrease of 15 minutes, 11 seconds.
The shortest day of the month is October 31, with 10 hours, 42 minutes of daylight and the longest day is October 1, with 11 hours, 47 minutes of daylight.
Hours of Daylight and Twilight in October
The earliest sunrise of the month in Summerlin South is 6:36 AM on October 1 and the latest sunrise is 27 minutes later at 7:03 AM on October 31.
The latest sunset is 6:23 PM on October 1 and the earliest sunset is 38 minutes earlier at 5:45 PM on October 31.
Daylight saving time is observed in Summerlin South during 2020, but it neither starts nor ends during October, so the entire month is in daylight saving time.
For reference, on June 20, the longest day of the year, the Sun rises at 5:24 AM and sets 14 hours, 37 minutes later, at 8:01 PM, while on December 21, the shortest day of the year, it rises at 6:48 AM and sets 9 hours, 42 minutes later, at 4:30 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in October
The chance that a given day will be muggy in Summerlin South is essentially constant during October, remaining around 0% throughout.
For reference, on August 12, the muggiest day of the year, there are muggy conditions 2% of the time, while on October 12, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in October
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Summerlin South is essentially constant during October, remaining within 0.1 miles per hour of 7.1 miles per hour throughout.
For reference, on April 25, the windiest day of the year, the daily average wind speed is 9.3 miles per hour, while on October 11, the calmest day of the year, the daily average wind speed is 7.0 miles per hour.
The lowest daily average wind speed during October is 7.0 miles per hour on October 11.
Average Wind Speed in October
The hourly average wind direction in Summerlin South throughout October is predominantly from the north, with a peak proportion of 47% on October 31.
Wind Direction in October
The growing season in Summerlin South typically lasts for 9.5 months (291 days), from around February 11 to around November 28, rarely starting before January 14 or after March 12, and rarely ending before November 10 or after December 18.
The month of October in Summerlin South is reliably fully within the growing season.
Time Spent in Various Temperature Bands and the Growing Season in October
The average accumulated growing degree days in Summerlin South are rapidly increasing during October, increasing by 472°F, from 5,242°F to 5,713°F, over the course of the month.
Growing Degree Days in October
The average daily incident shortwave solar energy in Summerlin South is decreasing during October, falling by 1.5 kWh, from 5.7 kWh to 4.2 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in October
For the purposes of this report, the geographical coordinates of Summerlin South are 36.117 deg latitude, -115.330 deg longitude, and 2,927 ft elevation.
The topography within 2 miles of Summerlin South contains very significant variations in elevation, with a maximum elevation change of 1,050 feet and an average elevation above sea level of 2,901 feet. Within 10 miles contains very significant variations in elevation (6,056 feet). Within 50 miles also contains extreme variations in elevation (11,201 feet).
The area within 2 miles of Summerlin South is covered by shrubs (77%) and artificial surfaces (19%), within 10 miles by shrubs (81%) and artificial surfaces (16%), and within 50 miles by shrubs (92%).
This report illustrates the typical weather in Summerlin South 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 Summerlin South.
For each station, the records are corrected for the elevation difference between that station and Summerlin South 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 Summerlin South is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Summerlin South and a given station.
The stations contributing to this reconstruction are: McCarran International Airport (42%, 16 kilometers, east); North Las Vegas Air Terminal (43%, 16 kilometers, northeast); Creech Air Force Base (13%, 61 kilometers, northwest); and Bicycle Lake Army Airfield (2.7%, 150 kilometers, southwest).
Time zones for aiports and weather stations are provided by AskGeo.com .