Average sea water temperature in January:
+74.0°F
| Minimum sea water temperature in January: | 77.0°F |
| Maximum sea water temperature in January: | 70.7°F |
Daily sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 74.8°F. The highest and lowest sea temperatures during the month were 77.0°F and 73.4°F.
Monthly sea water temperature in Perth, °F
Which Australia resorts have warmest sea in January?
| Place name | January 2026 | January 2025 |
|---|---|---|
| Darwin | 86.0°F | 87.6°F |
| Cairns | 84.1°F | 85.6°F |
| Fraser | 81.2°F | 81.8°F |
| Brisbane | 80.3°F | 81.2°F |
| Gold Coast | 78.3°F | 79.2°F |
| Perth | 74.8°F | 75.4°F |
| Sydney | 72.9°F | 74.0°F |
| Adelaide | 71.1°F | 72.6°F |
| Melbourne | 69.0°F | 71.4°F |
| Tasmania | 63.5°F | 65.4°F |
Best time for vacation in Perth
Perth on a weather map
Places in Australia:
Name
°F
24 Hours Forecast
Perth
Local time: 16:13
August 28, friday
1800

61°F
NW
14 mph
14 mph
2100

57°F
NW
14 mph
14 mph
August 29, saturday
0000

55°F
NW
13 mph
13 mph
0300

54°F
NW
11 mph
11 mph
0600

55°F
NW
10 mph
10 mph
0900

59°F
NW
11 mph
11 mph
1200

68°F
W
13 mph
13 mph
1500

68°F
W
15 mph
15 mph



























