Winter Weather in Armidale Australia

Daily high temperatures are around 57°F, rarely falling below 46°F or exceeding 68°F. The lowest daily average high temperature is 53°F on July 3.

Daily low temperatures are around 31°F, rarely falling below 20°F or exceeding 42°F. The lowest daily average low temperature is 28°F on July 29.

For reference, on January 16, the hottest day of the year, temperatures in Armidale typically range from 54°F to 80°F, while on July 29, the coldest day of the year, they range from 28°F to 55°F.

The figure below shows you a compact characterization of the hourly average winter temperatures. 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.

Dordrecht, South Africa (6,837 miles away) is the far-away foreign place with temperatures most similar to Armidale (view comparison).

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The winter in Armidale experiences very rapidly decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 41% to 24%. The highest chance of overcast or mostly cloudy conditions is 42% on June 2.

The clearest day of the winter is August 12, with clear, mostly clear, or partly cloudy conditions 77% of the time.

For reference, on June 2, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 42%, while on September 14, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 79%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Armidale, the chance of a wet day over the course of the winter is essentially constant, remaining around 16% throughout.

For reference, the year's highest daily chance of a wet day is 36% on December 13, and its lowest chance is 13% on July 30.

Over the course of the winter in Armidale, the chance of a day with only rain remains an essentially constant 15% throughout, 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 0% throughout.

Rainfall

To show variation within the season and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during the winter in Armidale is essentially constant, remaining about 1.4 inches throughout, and rarely exceeding 3.3 inches or falling below 0.2 inches.

The lowest average 31-day accumulation is 1.3 inches on July 2.

Over the course of the winter in Armidale, the length of the day is rapidly increasing. From the start to the end of the season, the length of the day increases by 1 hour, 9 minutes, implying an average daily increase of 46 seconds, and weekly increase of 5 minutes, 20 seconds.

The shortest day of the winter is June 21, with 10 hours, 10 minutes of daylight and the longest day is August 31, with 11 hours, 27 minutes of daylight.

The latest sunrise of the winter in Armidale is 6:51 AM on July 1 and the earliest sunrise is 41 minutes earlier at 6:10 AM on August 31.

The earliest sunset is 4:59 PM on June 10 and the latest sunset is 38 minutes later at 5:37 PM on August 31.

Daylight saving time is observed in Armidale during 2024, but it neither starts nor ends during the winter, so the entire season is in daylight saving time.

For reference, on December 21, the longest day of the year, the Sun rises at 5:47 AM and sets 14 hours, 7 minutes later, at 7:55 PM, while on June 20, the shortest day of the year, it rises at 6:49 AM and sets 10 hours, 10 minutes later, at 5:00 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 the winter of 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 in Armidale is essentially constant during the winter, remaining around 0% throughout.

For reference, on February 5, the muggiest day of the year, there are muggy conditions 3% of the time, while on April 10, 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 in Armidale is increasing during the winter, increasing from 7.4 miles per hour to 8.5 miles per hour over the course of the season.

For reference, on September 4, the windiest day of the year, the daily average wind speed is 8.5 miles per hour, while on April 27, the calmest day of the year, the daily average wind speed is 6.9 miles per hour.

The hourly average wind direction in Armidale throughout the winter is predominantly from the west, with a peak proportion of 50% on August 10.

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 in Armidale typically lasts for 6.0 months (182 days), from around October 24 to around April 24, rarely starting before September 30 or after November 24, and rarely ending before March 24 or after May 17.

The winter in Armidale is reliably fully outside of 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 in Armidale are very rapidly decreasing during the winter, decreasing by 2,706°F, from 2,786°F to 81°F, over the course of the season.

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 in Armidale is rapidly increasing during the winter, rising by 1.9 kWh, from 3.2 kWh to 5.0 kWh, over the course of the season.

The lowest average daily incident shortwave solar energy during the winter is 3.0 kWh on June 15.

For the purposes of this report, the geographical coordinates of Armidale are -30.508 deg latitude, 151.671 deg longitude, and 3,225 ft elevation.

The topography within 2 miles of Armidale contains only modest variations in elevation, with a maximum elevation change of 390 feet and an average elevation above sea level of 3,315 feet. Within 10 miles contains only modest variations in elevation (1,693 feet). Within 50 miles contains very significant variations in elevation (4,931 feet).

The area within 2 miles of Armidale is covered by trees (46%), artificial surfaces (36%), and sparse vegetation (16%), within 10 miles by trees (65%) and sparse vegetation (20%), and within 50 miles by trees (77%) and sparse vegetation (13%).