August Weather at Doylestown Airport United States

Daily high temperatures decrease by 4°F, from 84°F to 80°F, rarely falling below 71°F or exceeding 92°F.

Daily low temperatures decrease by 5°F, from 66°F to 61°F, rarely falling below 52°F or exceeding 72°F.

For reference, on July 20, the hottest day of the year, temperatures at Doylestown Airport typically range from 66°F to 85°F, while on January 30, the coldest day of the year, they range from 22°F to 38°F.

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.

Castelu, Romania (4,915 miles away); Krasnodar, Russia (5,273 miles); and Getahovit, Armenia (5,695 miles) are the far-away foreign places with temperatures most similar to Doylestown Airport (view comparison).

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The month of August at Doylestown Airport experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 37% throughout the month. The lowest chance of overcast or mostly cloudy conditions is 35% on August 28.

The clearest day of the month is August 28, with clear, mostly clear, or partly cloudy conditions 64% of the time.

For reference, on January 3, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 54%, while on August 28, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 64%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. At Doylestown Airport, the chance of a wet day over the course of August is very rapidly decreasing, starting the month at 37% and ending it at 28%.

For reference, the year's highest daily chance of a wet day is 38% on July 14, and its lowest chance is 21% on January 28.

Rainfall

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 at Doylestown Airport is gradually decreasing, starting the month at 3.8 inches, when it rarely exceeds 6.0 inches or falls below 1.6 inches, and ending the month at 3.5 inches, when it rarely exceeds 5.9 inches or falls below 1.4 inches.

The lowest average 31-day accumulation is 3.4 inches on August 26.

Over the course of August at Doylestown Airport, 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, 10 minutes, implying an average daily decrease of 2 minutes, 20 seconds, and weekly decrease of 16 minutes, 23 seconds.

The shortest day of the month is August 31, with 13 hours, 6 minutes of daylight and the longest day is August 1, with 14 hours, 16 minutes of daylight.

The earliest sunrise of the month at Doylestown Airport is 5:58 AM on August 1 and the latest sunrise is 29 minutes later at 6:27 AM on August 31.

The latest sunset is 8:14 PM on August 1 and the earliest sunset is 41 minutes earlier at 7:33 PM on August 31.

Daylight saving time is observed at Doylestown Airport during 2024, but it neither starts nor ends during August, so the entire month is in standard time.

For reference, on June 20, the longest day of the year, the Sun rises at 5:30 AM and sets 15 hours, 3 minutes later, at 8:33 PM, while on December 21, the shortest day of the year, it rises at 7:20 AM and sets 9 hours, 18 minutes later, at 4:37 PM.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

The figure below presents a compact representation of key lunar data for August 2024. 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.

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy at Doylestown Airport is very rapidly decreasing during August, falling from 50% to 29% over the course of the month.

The highest chance of a muggy day during August is 50% on August 1.

For reference, on August 1, the muggiest day of the year, there are muggy conditions 50% of the time, while on January 24, the least muggy day of the year, there are muggy conditions 0% of the time.

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed at Doylestown Airport is essentially constant during August, remaining within 0.1 miles per hour of 4.2 miles per hour throughout.

For reference, on February 26, the windiest day of the year, the daily average wind speed is 7.4 miles per hour, while on August 11, the calmest day of the year, the daily average wind speed is 4.1 miles per hour.

The lowest daily average wind speed during August is 4.1 miles per hour on August 11.

The hourly average wind direction at Doylestown Airport throughout August is predominantly from the south, with a peak proportion of 34% on August 1.

Doylestown Airport 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 at Doylestown Airport is essentially constant during August, remaining within 1°F of 74°F throughout.

The highest average surface water temperature during August is 74°F on August 7.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

The growing season at Doylestown Airport typically lasts for 6.4 months (197 days), from around April 10 to around October 24, rarely starting before March 24 or after April 28, and rarely ending before October 5 or after November 13.

The month of August at Doylestown Airport is reliably fully within the growing season.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days at Doylestown Airport are rapidly increasing during August, increasing by 664°F, from 1,953°F to 2,617°F, over the course of the month.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy at Doylestown Airport is gradually decreasing during August, falling by 0.7 kWh, from 6.3 kWh to 5.6 kWh, over the course of the month.

For the purposes of this report, the geographical coordinates of Doylestown Airport are 40.333 deg latitude, -75.125 deg longitude, and 364 ft elevation.

The topography within 2 miles of Doylestown Airport contains only modest variations in elevation, with a maximum elevation change of 256 feet and an average elevation above sea level of 385 feet. Within 10 miles contains only modest variations in elevation (679 feet). Within 50 miles contains significant variations in elevation (2,011 feet).

The area within 2 miles of Doylestown Airport is covered by artificial surfaces (59%), cropland (25%), and trees (17%), within 10 miles by trees (40%) and cropland (32%), and within 50 miles by trees (43%) and artificial surfaces (31%).