Current sea water temperature:
+45.0°F
| Minimum sea water temperature in June: | 58.8°F |
| Maximum sea water temperature in June: | 43.0°F |
| Average sea water temperature in June: | 50.8°F |
| more information | |
14 days
forecast
forecast
| Sydney |
monthly
weather
weather
| Sydney |
Sea water temperature for the last 10 days:
| June 6 | 45.0°F | May 31 | 40.6°F |
| June 5 | 45.5°F | May 30 | 43.0°F |
| June 4 | 45.1°F | May 29 | 43.7°F |
| June 3 | 43.2°F | May 28 | 42.6°F |
| June 1 | 43.0°F | May 27 | 43.7°F |
Monthly sea water temperature, °F
When is the warmest sea in Sydney?
Based on the data about daily sea water temperature for the last three years the warmest sea in Sydney was noticed in August, September and July.
Monthly Sea Temperatures in Sydney, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 67.5°F. The highest and lowest sea temperatures during the month were 69.8°F and 65.8°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 64.8°F. The highest and lowest sea temperatures during the month were 68.2°F and 60.6°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 63.7°F. The highest and lowest sea temperatures during the month were 68.5°F and 56.8°F.
current
weather
weather
| Sydney |
weather in
June
June
| Sydney |
Best time for vacation in Sydney
Sydney on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Sydney
Local time: 21:41
June 07, sunday
0000
43°F
N
11 mph
11 mph
0300
45°F
N
9 mph
9 mph
0600
46°F
N
11 mph
11 mph
0900
50°F
N
12 mph
12 mph
1200
57°F
N
14 mph
14 mph
1500
57°F
N
15 mph
15 mph
1800
55°F
NE
12 mph
12 mph
2100
54°F
NE
9 mph
9 mph
