Summer Weather in Nambucca Heads Australia

Daily high temperatures are around 79°F, rarely falling below 71°F or exceeding 86°F. The highest daily average high temperature is 80°F on January 26.

Daily low temperatures are around 66°F, rarely falling below 58°F or exceeding 73°F. The highest daily average low temperature is 68°F on February 1.

For reference, on January 17, the hottest day of the year, temperatures in Nambucca Heads typically range from 68°F to 80°F, while on July 29, the coldest day of the year, they range from 47°F to 65°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.

Curitiba, Brazil (8,301 miles away) is the far-away foreign place with temperatures most similar to Nambucca Heads (view comparison).

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The summer in Nambucca Heads experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 35% to 27%.

The clearest day of the summer is February 28, with clear, mostly clear, or partly cloudy conditions 73% of the time.

For reference, on November 19, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 36%, while on August 12, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 85%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Nambucca Heads, the chance of a wet day over the course of the summer is rapidly increasing, starting the season at 34% and ending it at 41%.

For reference, the year's highest daily chance of a wet day is 42% on February 19, and its lowest chance is 12% on July 30.

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 Nambucca Heads is very rapidly increasing, starting the season at 4.2 inches, when it rarely exceeds 7.9 inches or falls below 1.5 inches, and ending the season at 6.4 inches, when it rarely exceeds 12.6 inches or falls below 2.0 inches.

The highest average 31-day accumulation is 7.0 inches on February 14.

Over the course of the summer in Nambucca Heads, 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, 13 minutes, implying an average daily decrease of 49 seconds, and weekly decrease of 5 minutes, 45 seconds.

The shortest day of the summer is February 28, with 12 hours, 46 minutes of daylight and the longest day is December 21, with 14 hours, 8 minutes of daylight.

The earliest sunrise of the summer in Nambucca Heads is 5:37 AM on December 4 and the latest sunrise is 1 hour, 0 minutes later at 6:37 AM on February 28.

The latest sunset is 7:54 PM on January 9 and the earliest sunset is 32 minutes earlier at 7:23 PM on February 28.

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

For reference, on December 21, the longest day of the year, the Sun rises at 5:42 AM and sets 14 hours, 8 minutes later, at 7:50 PM, while on June 20, the shortest day of the year, it rises at 6:44 AM and sets 10 hours, 10 minutes later, at 4:54 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 Nambucca Heads is very rapidly increasing during the summer, rising from 25% to 49% over the course of the season.

The highest chance of a muggy day during the summer is 60% on February 4.

For reference, on February 4, the muggiest day of the year, there are muggy conditions 60% of the time, while on July 22, 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 Nambucca Heads is gradually decreasing during the summer, decreasing from 8.8 miles per hour to 8.2 miles per hour over the course of the season.

For reference, on November 26, the windiest day of the year, the daily average wind speed is 8.8 miles per hour, while on April 10, the calmest day of the year, the daily average wind speed is 7.5 miles per hour.

The wind direction in Nambucca Heads during the summer is predominantly out of the north from December 1 to January 31 and the east from January 31 to February 28.

Nambucca Heads 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 Nambucca Heads is increasing during the summer, rising by 4°F, from 73°F to 78°F, over the course of the season.

The highest average surface water temperature during the summer is 78°F on February 21.

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 Nambucca Heads 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 Nambucca Heads are very rapidly increasing during the summer, increasing by 2,018°F, from 1,885°F to 3,902°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 Nambucca Heads is decreasing during the summer, falling by 1.0 kWh, from 7.2 kWh to 6.2 kWh, over the course of the season.

The highest average daily incident shortwave solar energy during the summer is 7.5 kWh on December 29.

For the purposes of this report, the geographical coordinates of Nambucca Heads are -30.643 deg latitude, 153.009 deg longitude, and 161 ft elevation.

The topography within 2 miles of Nambucca Heads contains only modest variations in elevation, with a maximum elevation change of 210 feet and an average elevation above sea level of 38 feet. Within 10 miles contains only modest variations in elevation (1,512 feet). Within 50 miles contains very significant variations in elevation (5,259 feet).

The area within 2 miles of Nambucca Heads is covered by water (46%) and trees (46%), within 10 miles by water (50%) and trees (46%), and within 50 miles by trees (49%) and water (45%).