Fall Weather at Auckland International Airport New Zealand

Daily high temperatures decrease by 13°F, from 73°F to 61°F, rarely falling below 57°F or exceeding 77°F.

Daily low temperatures decrease by 11°F, from 61°F to 51°F, rarely falling below 43°F or exceeding 66°F.

For reference, on February 6, the hottest day of the year, temperatures at Auckland International Airport typically range from 63°F to 75°F, while on July 14, the coldest day of the year, they range from 47°F to 57°F.

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

Areosa, Portugal (12,071 miles away) is the far-away foreign place with temperatures most similar to Auckland International Airport (view comparison).

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The fall at Auckland International Airport experiences rapidly increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 32% to 44%. The lowest chance of overcast or mostly cloudy conditions is 30% on March 17.

The clearest day of the fall is March 17, with clear, mostly clear, or partly cloudy conditions 70% of the time.

For reference, on June 3, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 45%, while on March 17, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 70%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. At Auckland International Airport, the chance of a wet day over the course of the fall is very rapidly increasing, starting the season at 21% and ending it at 33%.

For reference, the year's highest daily chance of a wet day is 38% on July 1, and its lowest chance is 17% on February 6.

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 fall at Auckland International Airport is increasing, starting the season at 2.5 inches, when it rarely exceeds 4.7 inches or falls below 0.4 inches, and ending the season at 3.3 inches, when it rarely exceeds 5.3 inches or falls below 1.3 inches.

Over the course of the fall at Auckland International Airport, the length of the day is very rapidly decreasing. From the start to the end of the season, the length of the day decreases by 3 hours, 6 minutes, implying an average daily decrease of 2 minutes, 3 seconds, and weekly decrease of 14 minutes, 18 seconds.

The shortest day of the fall is May 31, with 9 hours, 48 minutes of daylight and the longest day is March 1, with 12 hours, 54 minutes of daylight.

The latest sunrise of the fall at Auckland International Airport is 7:38 AM on April 6 and the earliest sunrise is 59 minutes earlier at 6:39 AM on April 7.

The latest sunset is 7:59 PM on March 1 and the earliest sunset is 2 hours, 47 minutes earlier at 5:12 PM on May 31.

Daylight saving time (DST) starts at 2:00 AM on April 7, 2024, shifting sunrise and sunset to be an hour later.

For reference, on December 21, the longest day of the year, the Sun rises at 5:57 AM and sets 14 hours, 43 minutes later, at 8:40 PM, while on June 20, the shortest day of the year, it rises at 7:33 AM and sets 9 hours, 37 minutes later, at 5:10 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 fall 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 Auckland International Airport is decreasing during the fall, falling from 9% to 0% over the course of the season.

For reference, on February 2, the muggiest day of the year, there are muggy conditions 14% of the time, while on June 26, 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 Auckland International Airport is increasing during the fall, increasing from 12.6 miles per hour to 14.3 miles per hour over the course of the season.

For reference, on October 2, the windiest day of the year, the daily average wind speed is 15.4 miles per hour, while on February 8, the calmest day of the year, the daily average wind speed is 12.1 miles per hour.

The wind direction at Auckland International Airport during the fall is predominantly out of the west from March 1 to March 30 and from April 8 to May 31 and the south from March 30 to April 8.

Auckland International 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 Auckland International Airport is rapidly decreasing during the fall, falling by 8°F, from 69°F to 61°F, over the course of the season.

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 Auckland International 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 Auckland International Airport are very rapidly increasing during the fall, increasing by 1,021°F, from 2,475°F to 3,496°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 Auckland International Airport is very rapidly decreasing during the fall, falling by 3.8 kWh, from 5.9 kWh to 2.1 kWh, over the course of the season.

For the purposes of this report, the geographical coordinates of Auckland International Airport are -37.008 deg latitude, 174.792 deg longitude, and 26 ft elevation.

The topography within 2 miles of Auckland International Airport contains only modest variations in elevation, with a maximum elevation change of 135 feet and an average elevation above sea level of 22 feet. Within 10 miles contains only modest variations in elevation (686 feet). Within 50 miles contains significant variations in elevation (2,995 feet).

The area within 2 miles of Auckland International Airport is covered by water (49%), grassland (32%), and trees (11%), within 10 miles by water (43%) and grassland (21%), and within 50 miles by water (63%) and trees (18%).