Current sea water temperature:
+52.3°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: | 50.5°F |
| more information | |
14 days
forecast
forecast
| Sydney |
monthly
weather
weather
| Sydney |
Sea water temperature for the last 10 days:
| June 26 | 52.3°F | June 21 | 52.2°F |
| June 25 | 50.9°F | June 20 | 51.1°F |
| June 24 | 50.4°F | June 19 | 49.1°F |
| June 23 | 49.8°F | June 18 | 47.1°F |
| June 22 | 50.2°F | June 17 | 46.4°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
July
July
| Sydney |
Best time for vacation in Sydney
Sydney on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Sydney
Local time: 04:01
June 27, saturday
0600
54°F
NW
2 mph
2 mph
0900
57°F
N
2 mph
2 mph
1200
61°F
SE
2 mph
2 mph
1500
59°F
W
4 mph
4 mph
1800
59°F
W
4 mph
4 mph
2100
55°F
W
2 mph
2 mph
June 28, sunday
0000
54°F
W
2 mph
2 mph
0300
54°F
W
2 mph
2 mph
