Average sea water temperature in January:
+73.2°F
| Minimum sea water temperature in January: | 76.5°F |
| Maximum sea water temperature in January: | 69.4°F |
Daily sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 73.1°F. The highest and lowest sea temperatures during the month were 75.7°F and 71.1°F.
Monthly sea water temperature in Sydney, °F
Which Australia resorts have warmest sea in January?
| Place name | January 2026 | January 2025 |
|---|---|---|
| Darwin | 86.4°F | 87.6°F |
| Cairns | 83.7°F | 85.6°F |
| Fraser | 80.9°F | 81.8°F |
| Brisbane | 79.9°F | 81.2°F |
| Gold Coast | 77.6°F | 79.2°F |
| Perth | 74.3°F | 75.4°F |
| Sydney | 73.1°F | 74.0°F |
| Adelaide | 70.1°F | 72.6°F |
| Melbourne | 67.9°F | 71.4°F |
| Tasmania | 61.7°F | 65.4°F |
Best time for vacation in Sydney
Sydney on a weather map
Places in Australia:
Name
°F
24 Hours Forecast
Sydney
Local time: 19:13
January 15, thursday
2100

70°F
SW
14 mph
14 mph
January 16, friday
0000

70°F
S
12 mph
12 mph
0300

68°F
NE
4 mph
4 mph
0600

70°F
N
14 mph
14 mph
0900

70°F
NE
20 mph
20 mph
1200

75°F
N
22 mph
22 mph
1500

75°F
N
23 mph
23 mph
1800

70°F
N
27 mph
27 mph




























