Summer Weather in Mildura Victoria, Australia

Daily high temperatures are around 91°F, rarely falling below 77°F or exceeding 107°F. The highest daily average high temperature is 95°F on January 25.

Daily low temperatures are around 63°F, rarely falling below 51°F or exceeding 76°F. The highest daily average low temperature is 65°F on January 24.

For reference, on January 24, the hottest day of the year, temperatures in Mildura typically range from 65°F to 95°F, while on July 19, the coldest day of the year, they range from 41°F to 61°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.

Woodlake, California, United States (8,007 miles away); Villa Basilio Nievas, Argentina (7,478 miles); and Albaida del Aljarafe, Spain (10,668 miles) are the far-away foreign places with temperatures most similar to Mildura (view comparison).

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The summer in Mildura experiences decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 32% to 24%. The lowest chance of overcast or mostly cloudy conditions is 23% on February 10.

The clearest day of the summer is February 10, 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 36%, while on September 19, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 78%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Mildura, the chance of a wet day over the course of the summer is decreasing, starting the season at 11% and ending it at 6%.

For reference, the year's highest daily chance of a wet day is 14% on September 3, and its lowest chance is 5% on March 3.

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 in Mildura is essentially constant, remaining about 0.8 inches throughout, and rarely exceeding 2.6 inches.

Over the course of the summer in Mildura, 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, 24 minutes, implying an average daily decrease of 57 seconds, and weekly decrease of 6 minutes, 38 seconds.

The shortest day of the summer is February 28, with 12 hours, 51 minutes of daylight and the longest day is December 21, with 14 hours, 27 minutes of daylight.

The earliest sunrise of the summer in Mildura is 6:12 AM on December 5 and the latest sunrise is 1 hour, 6 minutes later at 7:17 AM on February 28.

The latest sunset is 8:47 PM on January 7 and the earliest sunset is 38 minutes earlier at 8:09 PM on February 28.

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

For reference, on December 21, the longest day of the year, the Sun rises at 6:16 AM and sets 14 hours, 27 minutes later, at 8:42 PM, while on June 20, the shortest day of the year, it rises at 7:36 AM and sets 9 hours, 52 minutes later, at 5:29 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 in Mildura is essentially constant during the summer, remaining within 1% of 2% throughout.

The highest chance of a muggy day during the summer is 3% on February 6.

For reference, on February 6, the muggiest day of the year, there are muggy conditions 3% of the time, while on May 8, 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 Mildura is decreasing during the summer, decreasing from 11.2 miles per hour to 10.1 miles per hour over the course of the season.

For reference, on December 13, the windiest day of the year, the daily average wind speed is 11.4 miles per hour, while on May 19, the calmest day of the year, the daily average wind speed is 8.4 miles per hour.

The highest daily average wind speed during the summer is 11.4 miles per hour on December 13.

The hourly average wind direction in Mildura throughout the summer is predominantly from the south, with a peak proportion of 54% on January 28.

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 in Mildura 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 in Mildura are very rapidly increasing during the summer, increasing by 2,272°F, from 1,569°F to 3,841°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 Mildura is decreasing during the summer, falling by 1.1 kWh, from 8.1 kWh to 6.9 kWh, over the course of the season.

The highest average daily incident shortwave solar energy during the summer is 8.5 kWh on December 24.

For the purposes of this report, the geographical coordinates of Mildura are -34.186 deg latitude, 142.163 deg longitude, and 184 ft elevation.

The topography within 2 miles of Mildura is essentially flat, with a maximum elevation change of 92 feet and an average elevation above sea level of 156 feet. Within 10 miles is essentially flat (174 feet). Within 50 miles also contains only modest variations in elevation (394 feet).

The area within 2 miles of Mildura is covered by artificial surfaces (45%), trees (26%), and sparse vegetation (26%), within 10 miles by trees (49%) and sparse vegetation (33%), and within 50 miles by sparse vegetation (43%) and trees (31%).