Average Weather in August in Carrickfergus United Kingdom
Daily high temperatures decrease by 2°F, from 64°F to 62°F, rarely falling below 58°F or exceeding 70°F.
Daily low temperatures decrease by 2°F, from 54°F to 52°F, rarely falling below 46°F or exceeding 59°F. The highest daily average low temperature is 54°F on August 1.
For reference, on July 31, the hottest day of the year, temperatures in Carrickfergus 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 August
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on August. 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 August
The month of August in Carrickfergus experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 52% throughout the month.
The clearest day of the month is August 2, with clear, mostly clear, or partly cloudy conditions 48% of the time.
For reference, on January 27, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 68%, 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 August
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 Carrickfergus, the chance of a wet day over the course of August is essentially constant, remaining around 34% throughout.
For reference, the year's highest daily chance of a wet day is 47% on January 3, and its lowest chance is 27% on April 29.
Probability of Precipitation in August
To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.
The average sliding 31-day rainfall during August in Carrickfergus is essentially constant, remaining about 2.4 inches throughout, and rarely exceeding 4.3 inches or falling below 1.0 inches.
Average Monthly Rainfall in August
Over the course of August in Carrickfergus, 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, 2 minutes, implying an average daily decrease of 4 minutes, 4 seconds, and weekly decrease of 28 minutes, 27 seconds.
The shortest day of the month is August 31, with 13 hours, 49 minutes of daylight and the longest day is August 1, with 15 hours, 51 minutes of daylight.
Hours of Daylight and Twilight in August
The earliest sunrise of the month in Carrickfergus is 5:33 AM on August 1 and the latest sunrise is 55 minutes later at 6:28 AM on August 31.
The latest sunset is 9:24 PM on August 1 and the earliest sunset is 1 hour, 7 minutes earlier at 8:17 PM on August 31.
Daylight saving time is observed in Carrickfergus during 2021, but it neither starts nor ends during August, so the entire month is in daylight saving time.
For reference, on June 21, the longest day of the year, the Sun rises at 4:45 AM and sets 17 hours, 19 minutes later, at 10:04 PM, while on December 21, the shortest day of the year, it rises at 8:44 AM and sets 7 hours, 14 minutes later, at 3:58 PM.
Sunrise & Sunset with Twilight in August
The figure below presents a compact representation of key lunar data for August 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 August
The chance that a given day will be muggy in Carrickfergus is essentially constant during August, remaining around 0% throughout.
For reference, on July 25, 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 August
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Carrickfergus is increasing during August, increasing from 11.2 miles per hour to 12.7 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 18.2 miles per hour, while on July 24, the calmest day of the year, the daily average wind speed is 11.0 miles per hour.
Average Wind Speed in August
The hourly average wind direction in Carrickfergus throughout August is predominantly from the west, with a peak proportion of 38% on August 22.
Wind Direction in August
Carrickfergus 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 Carrickfergus is essentially constant during August, remaining around 57°F throughout.
Average Water Temperature in August
The growing season in Carrickfergus typically lasts for 7.9 months (242 days), from around March 26 to around November 23, rarely starting before February 17 or after April 25, and rarely ending before October 24 or after December 23.
The month of August in Carrickfergus is reliably fully within the growing season.
Time Spent in Various Temperature Bands and the Growing Season in August
The average accumulated growing degree days in Carrickfergus are increasing during August, increasing by 256°F, from 577°F to 833°F, over the course of the month.
Growing Degree Days in August
The average daily incident shortwave solar energy in Carrickfergus is decreasing during August, falling by 1.1 kWh, from 5.1 kWh to 4.0 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in August
For the purposes of this report, the geographical coordinates of Carrickfergus are 54.716 deg latitude, -5.806 deg longitude, and 23 ft elevation.
The topography within 2 miles of Carrickfergus contains significant variations in elevation, with a maximum elevation change of 522 feet and an average elevation above sea level of 79 feet. Within 10 miles contains significant variations in elevation (1,414 feet). Within 50 miles contains very significant variations in elevation (2,799 feet).
The area within 2 miles of Carrickfergus is covered by water (47%), artificial surfaces (34%), and grassland (14%), within 10 miles by grassland (41%) and water (29%), and within 50 miles by water (49%) and grassland (36%).
This report illustrates the typical weather in Carrickfergus, 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 Carrickfergus.
For each station, the records are corrected for the elevation difference between that station and Carrickfergus 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 Carrickfergus is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Carrickfergus and a given station.
The stations contributing to this reconstruction are: Belfast International Airport (59%, 27 kilometers, west); West Freugh (20%, 57 kilometers, east); Machrihanish Meteorlogical Station (12%, 80 kilometers, north); and Isle Of Man / Ronaldsway Airport (8%, 104 kilometers, southeast).
Time zones for airports and weather stations are provided by AskGeo.com .