Average Weather in October in Greyabbey United Kingdom
Daily high temperatures decrease by 5°F, from 58°F to 53°F, rarely falling below 48°F or exceeding 62°F.
Daily low temperatures decrease by 4°F, from 48°F to 44°F, rarely falling below 37°F or exceeding 55°F.
For reference, on July 25, the hottest day of the year, temperatures in Greyabbey typically range from 54°F to 64°F, while on February 17, the coldest day of the year, they range from 37°F to 46°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 Greyabbey experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 56% to 61%.
The clearest day of the month is October 6, with clear, mostly clear, or partly cloudy conditions 44% of the time.
For reference, on January 27, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 67%, while on July 18, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 50%.
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 Greyabbey, the chance of a wet day over the course of October is very rapidly increasing, starting the month at 34% and ending it at 45%.
For reference, the year's highest daily chance of a wet day is 46% on January 3, and its lowest chance is 27% on April 29.
Probability of Precipitation in October
The average sliding 31-day rainfall during October in Greyabbey is gradually increasing, starting the month at 3.0 inches, when it rarely exceeds 5.0 inches or falls below 1.1 inches, and ending the month at 3.4 inches, when it rarely exceeds 5.5 inches or falls below 1.3 inches.
The highest average 31-day accumulation is 3.4 inches on October 25.
Average Monthly Rainfall in October
Over the course of October in Greyabbey, 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, 8 minutes, implying an average daily decrease of 4 minutes, 16 seconds, and weekly decrease of 29 minutes, 52 seconds.
The shortest day of the month is October 31, with 9 hours, 25 minutes of daylight and the longest day is October 1, with 11 hours, 33 minutes of daylight.
Hours of Daylight and Twilight in October
The latest sunrise of the month in Greyabbey is 8:20 AM on October 30 and the earliest sunrise is 58 minutes earlier at 7:22 AM on October 31.
The latest sunset is 6:57 PM on October 1 and the earliest sunset is 2 hours, 10 minutes earlier at 4:48 PM on October 31.
Daylight saving time (DST) ends at 1:00 AM on October 31, 2021, shifting sunrise and sunset to be an hour earlier.
For reference, on June 21, the longest day of the year, the Sun rises at 4:46 AM and sets 17 hours, 16 minutes later, at 10:02 PM, while on December 21, the shortest day of the year, it rises at 8:42 AM and sets 7 hours, 16 minutes later, at 3:58 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in October
The figure below presents a compact representation of key lunar data for October 2021. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.
Moon Rise, Set & Phases in October
The chance that a given day will be muggy in Greyabbey is essentially constant during October, remaining around 0% throughout.
For reference, on July 11, 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
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Greyabbey is increasing during October, increasing from 14.6 miles per hour to 16.6 miles per hour over the course of the month.
For reference, on January 6, the windiest day of the year, the daily average wind speed is 18.5 miles per hour, while on July 24, the calmest day of the year, the daily average wind speed is 11.1 miles per hour.
Average Wind Speed in October
The wind direction in Greyabbey during October is predominantly out of the south from October 1 to October 15 and the west from October 15 to October 31.
Wind Direction in October
Greyabbey is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.
The average surface water temperature in Greyabbey is essentially constant during October, remaining within 1°F of 56°F throughout.
Average Water Temperature in October
The growing season in Greyabbey typically lasts for 7.9 months (240 days), from around March 31 to around November 26, rarely starting before February 25 or after April 28, and rarely ending before October 28 or after December 24.
The month of October in Greyabbey is more likely than not fully within the growing season, with the chance that a given day is in the growing season decreasing from 100% to 88% 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 Greyabbey are gradually increasing during October, increasing by 85°F, from 1,005°F to 1,090°F, over the course of the month.
Growing Degree Days in October
The average daily incident shortwave solar energy in Greyabbey is decreasing during October, falling by 1.3 kWh, from 2.5 kWh to 1.2 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 Greyabbey are 54.535 deg latitude, -5.560 deg longitude, and 26 ft elevation.
The topography within 2 miles of Greyabbey contains only modest variations in elevation, with a maximum elevation change of 177 feet and an average elevation above sea level of 58 feet. Within 10 miles contains only modest variations in elevation (709 feet). Within 50 miles contains significant variations in elevation (2,782 feet).
The area within 2 miles of Greyabbey is covered by grassland (44%), water (30%), and cropland (12%), within 10 miles by water (46%) and grassland (32%), and within 50 miles by water (57%) and grassland (30%).
This report illustrates the typical weather in Greyabbey, 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 Greyabbey.
For each station, the records are corrected for the elevation difference between that station and Greyabbey 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 Greyabbey is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Greyabbey and a given station.
The stations contributing to this reconstruction are: Belfast International Airport (41%, 44 kilometers, west); West Freugh (33%, 53 kilometers, northeast); Isle Of Man / Ronaldsway Airport (18%, 79 kilometers, southeast); and Dublin Airport (8%, 132 kilometers, south).
Time zones for airports and weather stations are provided by AskGeo.com .