Average sea water temperature in August:
+74.0°F
| Minimum sea water temperature in August: | 76.5°F |
| Maximum sea water temperature in August: | 71.4°F |
Daily sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 74.5°F. The highest and lowest sea temperatures during the month were 76.3°F and 73.2°F.
Monthly sea water temperature in Cairns, °F
Which Australia resorts have warmest sea in August?
| Place name | August 2025 | August 2024 |
|---|---|---|
| Darwin | 79.5°F | 81.1°F |
| Cairns | 74.5°F | 74.1°F |
| Gold Coast | 68.9°F | 69.1°F |
| Fraser | 66.7°F | 68.1°F |
| Sydney | 64.5°F | 62.6°F |
| Brisbane | 63.6°F | 64.5°F |
| Perth | 62.2°F | 63.3°F |
| Adelaide | 55.2°F | 56.0°F |
| Tasmania | 53.8°F | 52.6°F |
| Melbourne | 52.1°F | 52.4°F |
Best time for vacation in Cairns
Cairns on a weather map
Places in Australia:
Name
°F
24 Hours Forecast
Cairns
Local time: 08:59
December 26, friday
0900

84°F
E
1 mph
1 mph
1200

84°F
S
5 mph
5 mph
1500

84°F
SE
4 mph
4 mph
1800

81°F
E
4 mph
4 mph
2100

77°F
E
5 mph
5 mph
December 27, saturday
0000

77°F
E
2 mph
2 mph
0300

77°F
NE
2 mph
2 mph
0600

77°F
E
2 mph
2 mph



























