Average Weather in October in Clarksville Indiana, United States
In Clarksville, the month of October is characterized by rapidly falling daily high temperatures, with daily highs decreasing by 11°F, from 75°F to 63°F over the course of the month, and rarely exceeding 85°F or dropping below 50°F.
Daily low temperatures decrease by 10°F, from 55°F to 45°F, rarely falling below 33°F or exceeding 66°F.
For reference, on July 20, the hottest day of the year, temperatures in Clarksville typically range from 71°F to 88°F, while on January 29, the coldest day of the year, they range from 28°F to 42°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 Clarksville experiences increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 34% to 43%.
The clearest day of the month is October 1, with clear, mostly clear, or partly cloudy conditions 66% of the time.
For reference, on January 2, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 57%, while on August 23, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 69%.
Cloud Cover Categories in October
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Clarksville, the chance of a wet day over the course of October is essentially constant, remaining around 25% throughout.
For reference, the year's highest daily chance of a wet day is 40% on June 8, and its lowest chance is 23% on January 13.
Probability of Precipitation in October
The average sliding 31-day rainfall during October in Clarksville is essentially constant, remaining about 3.1 inches throughout, and rarely exceeding 6.0 inches or falling below 1.0 inches.
Average Monthly Rainfall in October
Over the course of October in Clarksville, 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, 11 minutes, implying an average daily decrease of 2 minutes, 21 seconds, and weekly decrease of 16 minutes, 29 seconds.
The shortest day of the month is October 31, with 10 hours, 36 minutes of daylight and the longest day is October 1, with 11 hours, 46 minutes of daylight.
Hours of Daylight and Twilight in October
The earliest sunrise of the month in Clarksville is 7:39 AM on October 1 and the latest sunrise is 29 minutes later at 8:08 AM on October 31.
The latest sunset is 7:25 PM on October 1 and the earliest sunset is 41 minutes earlier at 6:44 PM on October 31.
Daylight saving time is observed in Clarksville during 2017, 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 6:19 AM and sets 14 hours, 50 minutes later, at 9:09 PM, while on December 21, the shortest day of the year, it rises at 7:56 AM and sets 9 hours, 30 minutes later, at 5:26 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in October
The chance that a given day will be muggy in Clarksville is decreasing during October, falling from 10% to 1% over the course of the month.
For reference, on July 23, the muggiest day of the year, there are muggy conditions 66% 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 October
The average hourly wind speed in Clarksville is gradually increasing during October, increasing from 6.5 miles per hour to 7.3 miles per hour over the course of the month.
For reference, on February 25, the windiest day of the year, the daily average wind speed is 8.9 miles per hour, while on July 31, the calmest day of the year, the daily average wind speed is 5.0 miles per hour.
Average Wind Speed in October
Wind Direction in October
The growing season in Clarksville typically lasts for 7.1 months (217 days), from around April 2 to around November 5, rarely starting before March 14 or after April 20, and rarely ending before October 19 or after November 24.
The month of October in Clarksville is more likely than not fully within the growing season, with the chance that a given day is in the growing season rapidly decreasing from 100% to 63% 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 Clarksville is increasing during October, increasing by 302°F, from 4,021°F to 4,324°F, over the course of the month.
Growing Degree Days in October
The average daily incident shortwave solar energy in Clarksville is decreasing during October, falling by 1.4 kWh, from 4.6 kWh to 3.2 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 Clarksville are 38.297 deg latitude, -85.760 deg longitude, and 456 ft elevation.
The topography within 2 miles of Clarksville contains only modest variations in elevation, with a maximum elevation change of 135 feet and an average elevation above sea level of 447 feet. Within 10 miles contains only modest variations in elevation (633 feet). Within 50 miles also contains significant variations in elevation (804 feet).
The area within 2 miles of Clarksville is covered by artificial surfaces (97%), within 10 miles by artificial surfaces (55%) and trees (23%), and within 50 miles by trees (48%) and cropland (44%).
This report illustrates the typical weather in Clarksville 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 Clarksville.
For each station, the records are corrected for the elevation difference between that station and Clarksville 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 Clarksville is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Clarksville and a given station.
The stations contributing to this reconstruction are: Bowman Field (51%, 11 kilometers, southeast); Standiford Field (43%, 13 kilometers, south); Huntingburg Airport (1.9%, 104 kilometers, west); Columbus Bakalar Municipal Airport (1.8%, 109 kilometers, north); and Monroe County Airport (1.6%, 119 kilometers, northwest).
Time zones for aiports and weather stations are provided by AskGeo.com .