Average Weather in October in Grande Prairie Canada
Daily high temperatures decrease by 18°F, from 58°F to 40°F, rarely falling below 24°F or exceeding 71°F.
Daily low temperatures decrease by 13°F, from 36°F to 24°F, rarely falling below 10°F or exceeding 46°F.
For reference, on August 4, the hottest day of the year, temperatures in Grande Prairie typically range from 51°F to 75°F, while on January 10, the coldest day of the year, they range from 0°F to 17°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 Grande Prairie experiences increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 55% to 63%.
The clearest day of the month is October 1, with clear, mostly clear, or partly cloudy conditions 45% of the time.
For reference, on February 26, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 70%, while on August 3, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 57%.
Cloud Cover Categories in October
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Grande Prairie, the chance of a wet day over the course of October is essentially constant, remaining around 19% throughout.
For reference, the year's highest daily chance of a wet day is 32% on June 24, and its lowest chance is 11% on March 26.
Over the course of October in Grande Prairie, the chance of a day with only rain decreases from 17% to 10%, the chance of a day with mixed snow and rain increases from 1% to 4%, and the chance of a day with only snow increases from 1% to 7%.
Probability of Precipitation in October
The average sliding 31-day rainfall during October in Grande Prairie is decreasing, starting the month at 1.0 inches, when it rarely exceeds 1.8 inches or falls below 0.3 inches, and ending the month at 0.5 inches, when it rarely exceeds 0.9 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 Grande Prairie is gradually increasing, starting the month at 0.1 inches, when it rarely exceeds 0.2 inches or falls below -0.0 inches, and ending the month at 0.4 inches, when it rarely exceeds 1.0 inches or falls below 0.1 inches.
Average Monthly Liquid-Equivalent Snowfall in October
Over the course of October in Grande Prairie, the length of the day is very rapidly decreasing. From the start to the end of the month, the length of the day decreases by 2 hours, 11 minutes, implying an average daily decrease of 4 minutes, 22 seconds, and weekly decrease of 30 minutes, 36 seconds.
The shortest day of the month is October 31, with 9 hours, 21 minutes of daylight and the longest day is October 1, with 11 hours, 32 minutes of daylight.
Hours of Daylight and Twilight in October
The earliest sunrise of the month in Grande Prairie is 7:58 AM on October 1 and the latest sunrise is 60 minutes later at 8:57 AM on October 31.
The latest sunset is 7:30 PM on October 1 and the earliest sunset is 1 hour, 11 minutes earlier at 6:19 PM on October 31.
Daylight saving time is observed in Grande Prairie 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 5:14 AM and sets 17 hours, 25 minutes later, at 10:39 PM, while on December 21, the shortest day of the year, it rises at 9:19 AM and sets 7 hours, 8 minutes later, at 4:27 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in October
The chance that a given day will be muggy in Grande Prairie is essentially constant during October, remaining around 0% throughout.
For reference, on July 27, 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 October
The average hourly wind speed in Grande Prairie is essentially constant during October, remaining within 0.1 miles per hour of 6.7 miles per hour throughout.
For reference, on April 13, the windiest day of the year, the daily average wind speed is 7.2 miles per hour, while on August 17, the calmest day of the year, the daily average wind speed is 5.8 miles per hour.
The highest daily average wind speed during October is 6.8 miles per hour on October 22.
Average Wind Speed in October
Wind Direction in October
The growing season in Grande Prairie typically lasts for 4.1 months (128 days), from around May 13 to around September 18, rarely starting before April 26 or after May 31, and rarely ending before August 27 or after October 6.
The month of October in Grande Prairie is more likely than not fully outside of the growing season, with the chance that a given day is in the growing season decreasing from 18% to 0% 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 Grande Prairie are essentially constant during October, remaining within 18°F of 1,307°F throughout.
Growing Degree Days in October
The average daily incident shortwave solar energy in Grande Prairie is decreasing during October, falling by 1.4 kWh, from 2.8 kWh to 1.4 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 Grande Prairie are 55.167 deg latitude, -118.803 deg longitude, and 2,162 ft elevation.
The topography within 2 miles of Grande Prairie contains only modest variations in elevation, with a maximum elevation change of 174 feet and an average elevation above sea level of 2,164 feet. Within 10 miles contains only modest variations in elevation (879 feet). Within 50 miles contains very significant variations in elevation (3,353 feet).
The area within 2 miles of Grande Prairie is covered by sparse vegetation (52%), artificial surfaces (28%), and cropland (20%), within 10 miles by cropland (42%) and sparse vegetation (27%), and within 50 miles by trees (61%) and cropland (27%).
This report illustrates the typical weather in Grande Prairie 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 Grande Prairie.
For each station, the records are corrected for the elevation difference between that station and Grande Prairie 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 Grande Prairie is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Grande Prairie and a given station.
The stations contributing to this reconstruction are: Grande Prairie Airport (96%, 5.4 kilometers, west); Peoria AGDM (2.7%, 60 kilometers, northeast); and High Prairie Airport (1.2%, 104 kilometers, east).
Time zones for aiports and weather stations are provided by AskGeo.com .