Average Weather in October in Rockville Minnesota, United States
Daily high temperatures decrease by 15°F, from 63°F to 48°F, rarely falling below 34°F or exceeding 77°F.
Daily low temperatures decrease by 11°F, from 44°F to 32°F, rarely falling below 21°F or exceeding 55°F.
For reference, on July 18, the hottest day of the year, temperatures in Rockville typically range from 61°F to 82°F, while on January 20, the coldest day of the year, they range from 5°F to 21°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 Rockville experiences increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 39% to 49%.
The clearest day of the month is October 1, with clear, mostly clear, or partly cloudy conditions 61% of the time.
For reference, on February 6, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 61%, while on July 28, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 72%.
Cloud Cover Categories in October
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Rockville, the chance of a wet day over the course of October is very rapidly decreasing, starting the month at 24% and ending it at 14%.
For reference, the year's highest daily chance of a wet day is 40% on June 13, and its lowest chance is 7% on January 28.
Over the course of October in Rockville, the chance of a day with only rain decreases from 23% to 12%, 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 Rockville is rapidly decreasing, starting the month at 2.3 inches, when it rarely exceeds 4.4 inches or falls below 0.6 inches, and ending the month at 1.2 inches, when it rarely exceeds 2.5 inches or falls below 0.2 inches.
Average Monthly Rainfall in October
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 October in Rockville is essentially constant, remaining about 0.1 inches throughout, and rarely exceeding 0.4 inches or falling below -0.0 inches.
Average Monthly Liquid-Equivalent Snowfall in October
Over the course of October in Rockville, 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, 32 minutes, implying an average daily decrease of 3 minutes, 3 seconds, and weekly decrease of 21 minutes, 22 seconds.
The shortest day of the month is October 31, with 10 hours, 10 minutes of daylight and the longest day is October 1, with 11 hours, 42 minutes of daylight.
Hours of Daylight and Twilight in October
The earliest sunrise of the month in Rockville is 7:15 AM on October 1 and the latest sunrise is 40 minutes later at 7:55 AM on October 31.
The latest sunset is 6:57 PM on October 1 and the earliest sunset is 52 minutes earlier at 6:05 PM on October 31.
Daylight saving time is observed in Rockville during 2018, 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 5:28 AM and sets 15 hours, 41 minutes later, at 9:09 PM, while on December 21, the shortest day of the year, it rises at 7:54 AM and sets 8 hours, 42 minutes later, at 4:36 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in October
The chance that a given day will be muggy in Rockville is essentially constant during October, remaining within 1% of 1% throughout.
For reference, on July 20, the muggiest day of the year, there are muggy conditions 29% of the time, while on November 15, 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 Rockville is essentially constant during October, remaining within 0.1 miles per hour of 11.3 miles per hour throughout.
For reference, on April 2, the windiest day of the year, the daily average wind speed is 12.6 miles per hour, while on August 1, the calmest day of the year, the daily average wind speed is 8.7 miles per hour.
Average Wind Speed in October
Wind Direction in October
The growing season in Rockville typically lasts for 5.0 months (151 days), from around May 3 to around October 2, rarely starting before April 15 or after May 23, and rarely ending before September 14 or after October 19.
During October in Rockville, the chance that a given day is within the growing season is very rapidly decreasing falling from 52% to 1% 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 Rockville are gradually increasing during October, increasing by 95°F, from 2,349°F to 2,444°F, over the course of the month.
Growing Degree Days in October
The average daily incident shortwave solar energy in Rockville is decreasing during October, falling by 1.4 kWh, from 3.9 kWh to 2.5 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 Rockville are 45.472 deg latitude, -94.341 deg longitude, and 1,122 ft elevation.
The topography within 2 miles of Rockville contains only modest variations in elevation, with a maximum elevation change of 184 feet and an average elevation above sea level of 1,116 feet. Within 10 miles contains only modest variations in elevation (499 feet). Within 50 miles also contains significant variations in elevation (659 feet).
The area within 2 miles of Rockville is covered by cropland (67%) and trees (33%), within 10 miles by cropland (69%) and trees (20%), and within 50 miles by cropland (77%) and trees (15%).
This report illustrates the typical weather in Rockville 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 Rockville.
For each station, the records are corrected for the elevation difference between that station and Rockville 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 Rockville is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Rockville and a given station.
The stations contributing to this reconstruction are: St. Cloud Regional Airport (34%, 24 kilometers, east); Paynesville Municipal Airport (21%, 34 kilometers, west); Maple Lake Municipal Airport (17%, 38 kilometers, southeast); Litchfield Municipal Airport (17%, 38 kilometers, south); and Little Falls, Little Falls/Morrison County Airport-Lindbergh Field (11%, 53 kilometers, north).
Time zones for aiports and weather stations are provided by AskGeo.com .