Current sea water temperature:
+71.8°F
| Minimum sea water temperature in December: | 75.4°F |
| Maximum sea water temperature in December: | 66.6°F |
| Average sea water temperature in December: | 70.5°F |
| more information | |
14 days
forecast
forecast
| Sydney |
monthly
weather
weather
| Sydney |
Sea water temperature for the last 10 days:
| December 14 | 71.8°F | December 9 | 71.4°F |
| December 13 | 70.7°F | December 8 | 71.6°F |
| December 12 | 72.5°F | December 7 | 71.8°F |
| December 11 | 72.5°F | December 6 | 72.0°F |
| December 10 | 72.7°F | December 5 | 70.2°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 February, March and January.
Monthly Sea Temperatures in Sydney, °F
Sea water temperature in February, °F
Show year:
2025
2024
2023
The average sea water temperature in February of 2025 was 74.5°F. The highest and lowest sea temperatures during the month were 77.4°F and 71.8°F.
Sea water temperature in March, °F
Show year:
2025
2024
2023
The average sea water temperature in March of 2025 was 74.1°F. The highest and lowest sea temperatures during the month were 75.9°F and 72.7°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 74.0°F. The highest and lowest sea temperatures during the month were 75.0°F and 71.4°F.
current
weather
weather
| Sydney |
weather in
December
December
| Sydney |
Best time for vacation in Sydney
Sydney on a weather map
Places in Australia:
Name
°F
24 Hours Forecast
Sydney
Local time: 13:25
December 15, monday
1500
66°F
NW
15 mph
15 mph
1800
64°F
NW
13 mph
13 mph
2100
63°F
NW
11 mph
11 mph
December 16, tuesday
0000
63°F
NW
10 mph
10 mph
0300
63°F
NW
11 mph
11 mph
0600
63°F
W
9 mph
9 mph
0900
64°F
W
8 mph
8 mph
1200
66°F
W
7 mph
7 mph
