Average Weather in Streaky Bay Australia

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2. Australia
3. South Australia
4. Streaky Bay
5. Streaky Bay

In Streaky Bay, the summers are warm and dry, the winters are cold, and it is windy and mostly clear year round. Over the course of the year, the temperature typically varies from 46°F to 78°F and is rarely below 38°F or above 95°F.

The warm season lasts for 3.8 months, from November 28 to March 22, with an average daily high temperature above 74°F. The hottest day of the year is January 23, with an average high of 78°F and low of 62°F.

The cool season lasts for 3.0 months, from May 30 to August 31, with an average daily high temperature below 64°F. The coldest day of the year is August 2, with an average low of 46°F and high of 61°F.

The figure below shows you a compact characterization of the entire year of hourly average temperatures. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

In Streaky Bay, the average percentage of the sky covered by clouds experiences mild seasonal variation over the course of the year.

The clearer part of the year in Streaky Bay begins around July 1 and lasts for 3.7 months, ending around October 22. On September 12, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 80% of the time, and overcast or mostly cloudy 20% of the time.

The cloudier part of the year begins around October 22 and lasts for 8.3 months, ending around July 1. On May 31, the cloudiest day of the year, the sky is overcast or mostly cloudy 37% of the time, and clear, mostly clear, or partly cloudy 63% of the time.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in Streaky Bay varies throughout the year.

The wetter season lasts 3.8 months, from May 16 to September 10, with a greater than 13% chance of a given day being a wet day. The chance of a wet day peaks at 23% on July 2.

The drier season lasts 8.2 months, from September 10 to May 16. The smallest chance of a wet day is 4% on January 7.

Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 23% on July 2.

Rainfall

To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Streaky Bay experiences some seasonal variation in monthly rainfall.

The rainy period of the year lasts for 10 months, from February 16 to December 18, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around July 8, with an average total accumulation of 1.4 inches.

The rainless period of the year lasts for 1.9 months, from December 18 to February 16. The least rain falls around January 7, with an average total accumulation of 0.3 inches.

The length of the day in Streaky Bay varies significantly over the course of the year. In 2017, the shortest day is June 21, with 9 hours, 59 minutes of daylight; the longest day is December 21, with 14 hours, 19 minutes of daylight.

The earliest sunrise is at 6:12 AM on September 30, and the latest sunrise is 1 hour, 33 minutes later at 7:44 AM on April 1. The earliest sunset is at 5:33 PM on June 12, and the latest sunset is 3 hours, 12 minutes later at 8:45 PM on January 9.

Daylight saving time (DST) is observed in Streaky Bay during 2017, starting in the spring on October 1 and ending in the fall on April 2.

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 perceived humidity level in Streaky Bay, as measured by the percentage of time in which the humidity comfort level is muggy, oppressive, or miserable, does not vary significantly over the course of the year, staying within 2% of 2% throughout.

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 Streaky Bay experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 8.9 months, from June 17 to March 15, with average wind speeds of more than 6.6 miles per hour. The windiest day of the year is January 16, with an average hourly wind speed of 7.4 miles per hour.

The calmer time of year lasts for 3.1 months, from March 15 to June 17. The calmest day of the year is April 24, with an average hourly wind speed of 5.8 miles per hour.

The predominant average hourly wind direction in Streaky Bay varies throughout the year.

The wind is most often from the north for 1.2 months, from May 13 to June 19 and for 1.4 weeks, from July 6 to July 16, with a peak percentage of 35% on July 11. The wind is most often from the west for 2.4 weeks, from June 19 to July 6 and for 2.2 months, from July 16 to September 21, with a peak percentage of 38% on August 10. The wind is most often from the south for 7.7 months, from September 21 to May 13, with a peak percentage of 60% on January 1.

Streaky Bay 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 water temperature experiences some seasonal variation over the course of the year.

The time of year with warmer water lasts for 3.7 months, from December 12 to April 2, with an average temperature above 65°F. The day of the year with the warmest water is February 7, with an average temperature of 66°F.

The time of year with cooler water lasts for 2.9 months, from July 1 to September 27, with an average temperature below 60°F. The day of the year with the coolest water is August 13, with an average temperature of 58°F.

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 experiences extreme seasonal variation over the course of the year.

The brighter period of the year lasts for 3.6 months, from November 3 to February 19, with an average daily incident shortwave energy per square meter above 7.2 kWh. The brightest day of the year is January 6, with an average of 8.3 kWh.

The darker period of the year lasts for 3.5 months, from April 29 to August 15, with an average daily incident shortwave energy per square meter below 3.8 kWh. The darkest day of the year is June 21, with an average of 2.6 kWh.

For the purposes of this report, the geographical coordinates of Streaky Bay are -32.796 deg latitude, 134.209 deg longitude, and 59 ft elevation.

The topography within 2 miles of Streaky Bay contains only modest variations in elevation, with a maximum elevation change of 217 feet and an average elevation above sea level of 55 feet. Within 10 miles also contains only modest variations in elevation (341 feet). Within 50 miles contains only modest variations in elevation (705 feet).

The area within 2 miles of Streaky Bay is covered by cropland (42%) and water (37%), within 10 miles by cropland (35%) and water (35%), and within 50 miles by water (51%) and cropland (23%).

This report illustrates the typical weather in Streaky Bay, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Temperature and Dew Point

There is only a single weather station, Ceduna Airport, in our network suitable to be used as a proxy for the historical temperature and dew point records of Streaky Bay.

At a distance of 88 kilometers from Streaky Bay, closer than our threshold of 150 kilometers, this station is deemed sufficiently nearby to be relied upon as our primary source for temperature and dew point records.

The station records are corrected for the elevation difference between the station and Streaky Bay according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

Please note that the station records themselves may additionally have been back-filled using other nearby stations or the MERRA-2 reanalysis.

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Tables of the Sun, Moon and Planets , by Jean Meeus.

All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.

Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.

Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for aiports and weather stations are provided by AskGeo.com .

Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.