Average sea water temperature in May:
+68.1°F
| Minimum sea water temperature in May: | 71.4°F |
| Maximum sea water temperature in May: | 65.3°F |
Daily sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 66.5°F. The highest and lowest sea temperatures during the month were 68.5°F and 65.3°F.
Monthly sea water temperature in Perth, °F
Which Australia resorts have warmest sea in May?
| Place name | May 2026 | May 2025 |
|---|---|---|
| Darwin | 83.4°F | 82.4°F |
| Cairns | 76.7°F | 78.8°F |
| Gold Coast | 74.6°F | 74.9°F |
| Fraser | 73.1°F | 74.4°F |
| Brisbane | 70.1°F | 71.1°F |
| Sydney | 68.1°F | 69.2°F |
| Perth | 66.5°F | 67.9°F |
| Adelaide | 64.3°F | 64.2°F |
| Melbourne | 60.2°F | 60.8°F |
| Tasmania | 56.7°F | 58.2°F |
Best time for vacation in Perth
Perth on a weather map
Places in Australia:
Name
°F
24 Hours Forecast
Perth
Local time: 18:06
July 18, saturday
2100

59°F
E
6 mph
6 mph
July 19, sunday
0000

59°F
E
6 mph
6 mph
0300

57°F
E
3 mph
3 mph
0600

57°F
NE
2 mph
2 mph
0900

57°F
W
5 mph
5 mph
1200

63°F
S
3 mph
3 mph
1500

63°F
E
7 mph
7 mph
1800

59°F
NE
4 mph
4 mph



























