Hillarys Sea Temperature
Looking to find out what the sea water temperature in Hillarys is for today and the next few days? Below are data and charts that will give you information about sea temperatures in Hillarys and nearby locations.
Water temperature in Hillarys right now
Below is the current sea temperature for Hillarys, Australia on 8th December 2023.
- yesterday: 20.9° C (69.61° F)
- a week ago: 22.63° C (72.73° F)
Water at this temperature is very pleasant to swim in and if you tend to wear a wetsuit when swimming, you might consider removing it now to avoid the body overheating.
The average sea temperature for Hillarys on December 8th over the last 10 years is 20.44° C (68.79° F), with a low temperature of 18.95° C (66.11° F) and a high of 21.64° C (70.95° F).
Analysis and forecast for Hillarys water temperatures
The water temperature in Hillarys today is higher than the average temperature of 20.44° C (68.79° F) and the temperature on this day last year, 8th December 2022, was 20.83° C (69.49° F).
The chart and table below shows the change in water temperature in Hillarys over the last 30 days:
|Date||Temperature (Celsius)||Temperature (Fahrenheit)|
|December 8||20.94° C||69.69° F|
|December 7||20.9° C||69.61° F|
|December 6||22.46° C||72.43° F|
|December 5||22.74° C||72.93° F|
|December 4||22.62° C||72.72° F|
|December 3||22.51° C||72.52° F|
|December 2||22.63° C||72.73° F|
|December 1||22.63° C||72.73° F|
|November 30||22.3° C||72.14° F|
|November 29||22.1° C||71.78° F|
|November 28||22.07° C||71.73° F|
|November 27||22.01° C||71.62° F|
|November 26||21.87° C||71.37° F|
|November 25||21.69° C||71.04° F|
|November 24||21.3° C||70.34° F|
|November 23||21.29° C||70.32° F|
|November 22||21.18° C||70.12° F|
|November 21||20.87° C||69.57° F|
|November 20||20.63° C||69.13° F|
|November 19||20.47° C||68.85° F|
|November 18||20.38° C||68.68° F|
|November 17||20.26° C||68.47° F|
|November 16||20.17° C||68.31° F|
|November 15||20.08° C||68.14° F|
|November 14||20.04° C||68.07° F|
|November 13||20.02° C||68.04° F|
|November 12||20.13° C||68.23° F|
|November 11||20.17° C||68.31° F|
|November 10||20.13° C||68.23° F|
|November 9||20.3° C||68.54° F|
|November 8||20.44° C||68.79° F|
The actual nearshore temperatures may vary by several degrees and this can also be heavily affected by weather. Strong winds can cause cold, deep waters to replace the surface waters that had been warmed by the sun, and heavy rain can also reduce the temperature of the sea surface temperature as well.
Water temperature in Hillarys by month
The chart below shows the monthly average water temperature in Hillarys.
For more detailed information on how the sea temperature in Hillarys changes for each month of the year, choose from the months below.
Hillarys map and nearby water temperatures
Locations near Hillarys
Why measure sea surface temperatures (SST) in Hillarys?
The ocean covers about 71% of the Earth's surface, and scientists record the sea surface temperature (SST) of locations such as Hillarys because they want to understand and learn how the ocean communicates with the atomosphere of Earth.
SST is one measure that provides information on the global climate, and it can be used to predict the weather in Hillarys as well as atmospheric model simulations and to study marine ecosystems in the area.
Data source and citation
Raw data for the calculations made to find the sea surface temperature in Hillarys comes from the National Oceanic and Atmospheric Administration (NOAA) and their 1/4° daily Optimum Interpolation Sea Surface Temperature.
The water temperature data is constructed by combining observations from different platforms (satellites, ships, buoys, and Argo floats) on a regular global grid. A spatially complete sea surface temperature map is then built by interpolating to fill in gaps in the data.
If you'd like to use any of the information above in the format it is presented, please use the citation tool below.
"Hillarys Sea Temperature". SeaTemperatures.net. Accessed on December 8, 2023. http://seatemperatures.net/australia-and-oceania/australia/hillarys/.
"Hillarys Sea Temperature". SeaTemperatures.net, http://seatemperatures.net/australia-and-oceania/australia/hillarys/. Accessed 8 December, 2023
Hillarys Sea Temperature. SeaTemperatures.net. Retrieved from http://seatemperatures.net/australia-and-oceania/australia/hillarys/.