Summer Weather at Meekatharra Airport Western Australia, Australia

Daily high temperatures are around 97°F, rarely falling below 84°F or exceeding 107°F. The highest daily average high temperature is 100°F on January 9.

Daily low temperatures increase by 4°F, from 71°F to 74°F, rarely falling below 63°F or exceeding 85°F. The highest daily average low temperature is 77°F on January 14.

For reference, on January 9, the hottest day of the year, temperatures at Meekatharra Airport typically range from 77°F to 100°F, while on July 11, the coldest day of the year, they range from 47°F to 66°F.

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

Crystal City, Texas, United States (10,105 miles away) is the far-away foreign place with temperatures most similar to Meekatharra Airport (view comparison).

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The summer at Meekatharra Airport experiences rapidly increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 15% to 28%.

The clearest day of the summer is December 1, with clear, mostly clear, or partly cloudy conditions 85% of the time.

For reference, on April 16, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 34%, while on September 20, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 95%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. At Meekatharra Airport, the chance of a wet day over the course of the summer is increasing, starting the season at 7% and ending it at 12%.

For reference, the year's highest daily chance of a wet day is 14% on February 14, and its lowest chance is 2% on September 9.

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 summer at Meekatharra Airport is increasing, starting the season at 0.6 inches, when it rarely exceeds 1.9 inches, and ending the season at 1.4 inches, when it rarely exceeds 4.2 inches.

The highest average 31-day accumulation is 1.5 inches on February 22.

Over the course of the summer at Meekatharra Airport, the length of the day is rapidly decreasing. From the start to the end of the season, the length of the day decreases by 1 hour, 2 minutes, implying an average daily decrease of 42 seconds, and weekly decrease of 4 minutes, 52 seconds.

The shortest day of the summer is February 28, with 12 hours, 39 minutes of daylight and the longest day is December 21, with 13 hours, 49 minutes of daylight.

The earliest sunrise of the summer at Meekatharra Airport is 5:04 AM on December 1 and the latest sunrise is 54 minutes later at 5:58 AM on February 28.

The latest sunset is 7:03 PM on January 12 and the earliest sunset is 26 minutes earlier at 6:37 PM on February 28.

Daylight saving time is not observed at Meekatharra Airport during 2024.

For reference, on December 21, the longest day of the year, the Sun rises at 5:09 AM and sets 13 hours, 49 minutes later, at 6:58 PM, while on June 20, the shortest day of the year, it rises at 6:53 AM and sets 10 hours, 28 minutes later, at 5:21 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 summer 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 at Meekatharra Airport is increasing during the summer, rising from 1% to 9% over the course of the season.

The highest chance of a muggy day during the summer is 13% on February 14.

For reference, on February 14, the muggiest day of the year, there are muggy conditions 13% of the time, while on June 27, 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 Meekatharra Airport is essentially constant during the summer, remaining within 0.2 miles per hour of 11.7 miles per hour throughout.

For reference, on November 26, the windiest day of the year, the daily average wind speed is 12.0 miles per hour, while on May 17, the calmest day of the year, the daily average wind speed is 9.7 miles per hour.

The hourly average wind direction at Meekatharra Airport throughout the summer is predominantly from the east, with a peak proportion of 59% on February 17.

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).

Temperatures at Meekatharra Airport are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.

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 Meekatharra Airport are very rapidly increasing during the summer, increasing by 2,857°F, from 2,587°F to 5,443°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 at Meekatharra Airport is rapidly decreasing during the summer, falling by 1.5 kWh, from 8.6 kWh to 7.1 kWh, over the course of the season.

The highest average daily incident shortwave solar energy during the summer is 8.7 kWh on December 11.

For the purposes of this report, the geographical coordinates of Meekatharra Airport are -26.608 deg latitude, 118.545 deg longitude, and 1,703 ft elevation.

The topography within 2 miles of Meekatharra Airport contains only modest variations in elevation, with a maximum elevation change of 151 feet and an average elevation above sea level of 1,699 feet. Within 10 miles contains only modest variations in elevation (623 feet). Within 50 miles contains significant variations in elevation (1,073 feet).

The area within 2 miles of Meekatharra Airport is covered by sparse vegetation (99%), within 10 miles by sparse vegetation (89%) and grassland (11%), and within 50 miles by sparse vegetation (86%) and grassland (12%).