Average Weather in October in Platte South Dakota, United States
Daily high temperatures decrease by 15°F, from 70°F to 55°F, rarely falling below 38°F or exceeding 83°F.
Daily low temperatures decrease by 12°F, from 47°F to 35°F, rarely falling below 23°F or exceeding 58°F.
For reference, on July 19, the hottest day of the year, temperatures in Platte typically range from 65°F to 88°F, while on January 2, the coldest day of the year, they range from 14°F to 31°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 Platte experiences increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 35% to 43%.
The clearest day of the month is October 1, with clear, mostly clear, or partly cloudy conditions 65% of the time.
For reference, on March 15, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 53%, while on July 27, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 75%.
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 Platte, the chance of a wet day over the course of October is decreasing, starting the month at 17% and ending it at 11%.
For reference, the year's highest daily chance of a wet day is 40% on June 9, and its lowest chance is 3% on January 25.
Over the course of October in Platte, the chance of a day with only rain decreases from 17% to 9%, the chance of a day with mixed snow and rain remains an essentially constant 1% throughout, and the chance of a day with only snow remains an essentially constant 1% throughout.
Probability of Precipitation in October
The average sliding 31-day rainfall during October in Platte is rapidly decreasing, starting the month at 1.9 inches, when it rarely exceeds 4.4 inches or falls below 0.3 inches, and ending the month at 0.9 inches, when it rarely exceeds 2.1 inches or falls below 0.1 inches.
Average Monthly Rainfall in October
Over the course of October in Platte, 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, 25 minutes, implying an average daily decrease of 2 minutes, 50 seconds, and weekly decrease of 19 minutes, 50 seconds.
The shortest day of the month is October 31, with 10 hours, 19 minutes of daylight and the longest day is October 1, with 11 hours, 44 minutes of daylight.
Hours of Daylight and Twilight in October
The earliest sunrise of the month in Platte is 7:32 AM on October 1 and the latest sunrise is 37 minutes later at 8:09 AM on October 31.
The latest sunset is 7:16 PM on October 1 and the earliest sunset is 48 minutes earlier at 6:28 PM on October 31.
Daylight saving time is observed in Platte during 2019, but it neither starts nor ends during October, so the entire month is in daylight saving time.
For reference, on June 21, the longest day of the year, the Sun rises at 5:54 AM and sets 15 hours, 25 minutes later, at 9:19 PM, while on December 22, the shortest day of the year, it rises at 8:05 AM and sets 8 hours, 58 minutes later, at 5:02 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in October
The chance that a given day will be muggy in Platte is essentially constant during October, remaining around 0% throughout.
For reference, on July 25, the muggiest day of the year, there are muggy conditions 31% of the time, while on October 18, 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 Platte is essentially constant during October, remaining within 0.1 miles per hour of 11.3 miles per hour throughout.
For reference, on April 8, the windiest day of the year, the daily average wind speed is 12.6 miles per hour, while on August 2, the calmest day of the year, the daily average wind speed is 9.4 miles per hour.
The highest daily average wind speed during October is 11.5 miles per hour on October 4.
Average Wind Speed in October
Wind Direction in October
The growing season in Platte typically lasts for 5.6 months (170 days), from around April 24 to around October 11, rarely starting before April 5 or after May 15, and rarely ending before September 22 or after October 30.
During October in Platte, the chance that a given day is within the growing season is very rapidly decreasing falling from 73% to 9% over the course of the month.
Time Spent in Various Temperature Bands and the Growing Season in October
The average accumulated growing degree days in Platte are gradually increasing during October, increasing by 158°F, from 2,975°F to 3,134°F, over the course of the month.
Growing Degree Days in October
The average daily incident shortwave solar energy in Platte is decreasing during October, falling by 1.5 kWh, from 4.3 kWh to 2.9 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 Platte are 43.387 deg latitude, -98.845 deg longitude, and 1,598 ft elevation.
The topography within 2 miles of Platte contains only modest variations in elevation, with a maximum elevation change of 200 feet and an average elevation above sea level of 1,602 feet. Within 10 miles contains only modest variations in elevation (627 feet). Within 50 miles contains significant variations in elevation (1,224 feet).
The area within 2 miles of Platte is covered by cropland (75%) and grassland (25%), within 10 miles by cropland (74%) and grassland (26%), and within 50 miles by grassland (55%) and cropland (41%).
This report illustrates the typical weather in Platte 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 5 weather stations near enough to contribute to our estimation of the temperature and dew point in Platte.
For each station, the records are corrected for the elevation difference between that station and Platte 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 Platte is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Platte and a given station.
The stations contributing to this reconstruction are: Chamberlain, Chamberlain Municipal Airport (35%, 57 kilometers, northwest); Mitchell Municipal Airport (21%, 78 kilometers, northeast); Winner Regional Airport (20%, 81 kilometers, west); The O'Neill Municipal Airport (14%, 103 kilometers, south); and Chan Gurney Municipal Airport (10%, 133 kilometers, southeast).
Time zones for aiports and weather stations are provided by AskGeo.com .