Great Barrier Reef Sea Temperature in August

Looking to find out what the average sea water temperature in Great Barrier Reef is for August? Find out what the lowest, highest, and average water temperatures are for Great Barrier Reef over the past 10 years.

Average water temperature in Great Barrier Reef for August

The average, high, and low temperatures below should help you if you can swim in the water in Great Barrier Reef in August.

24.56° C

(76.21° F)

highest: 25.9° C (78.62° F)
lowest: 23.01° C (73.42° 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.

Water temperature range by day in August in Great Barrier Reef

The chart below shows the range of low and high temperatures by day for the month of August in Great Barrier Reef.

Water temperatures for August in Great Barrier Reef in recent years

Day	2024	2023	2022	2021
1	0° C	25.43° C	24.25° C	24.82° C
2	0° C	25.29° C	24.3° C	24.76° C
3	0° C	25.36° C	24.35° C	24.79° C
4	0° C	25.24° C	24.48° C	24.83° C
5	0° C	25.26° C	24.79° C	24.74° C
6	0° C	25.23° C	25.03° C	24.73° C
7	0° C	25.18° C	24.99° C	24.36° C
8	0° C	25.09° C	25° C	24.64° C
9	0° C	25.08° C	24.95° C	24.67° C
10	0° C	25.08° C	24.86° C	24.68° C
11	0° C	25.03° C	24.76° C	24.69° C
12	0° C	25.02° C	24.75° C	24.57° C
13	0° C	25.02° C	24.71° C	24.5° C
14	0° C	25.12° C	24.7° C	24.64° C
15	0° C	25.13° C	24.71° C	24.72° C
16	0° C	25.21° C	24.79° C	24.83° C
17	0° C	25.38° C	24.74° C	24.85° C
18	0° C	25.52° C	24.71° C	25.09° C
19	0° C	25.46° C	24.78° C	24.61° C
20	0° C	25.39° C	24.8° C	24.68° C
21	0° C	25.43° C	24.79° C	24.62° C
22	0° C	25.46° C	24.77° C	24.52° C
23	0° C	25.44° C	24.81° C	24.68° C
24	0° C	25.48° C	24.73° C	24.89° C
25	0° C	25.37° C	24.67° C	24.82° C
26	0° C	25.45° C	24.63° C	24.61° C
27	0° C	25.43° C	24.45° C	24.61° C
28	0° C	25.41° C	24.47° C	24.85° C
29	0° C	25.37° C	24.55° C	24.99° C
30	0° C	25.51° C	24.69° C	25.09° C
31	0° C	25.87° C	24.68° C	25.07° C

Data source and citation

Raw data for the calculations made to find the sea surface temperature in Great Barrier Reef 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.

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