World Resorts Canada Sydney Weather

Sydney sea water temperature

Current sea water temperature:
+34.0°F
Minimum sea water temperature in January: 38.3°F
Maximum sea water temperature in January: 32.0°F
Average sea water temperature in January: 34.8°F

Sea water temperature for the last 10 days:

January 12 34.0°F January 7 35.1°F
January 11 34.2°F January 6 35.4°F
January 10 34.7°F January 5 35.8°F
January 9 34.9°F January 4 35.8°F
January 8 34.7°F January 3 35.6°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.

Best time for vacation in Sydney

Sunniest months:
August 9 days
September 8 days
June 7 days
Warmest months:
August 73.1 °F
July 71.8 °F
September 66.2 °F
Warmest sea temp:
August 68.1 °F
September 64.2 °F
July 62.5 °F
Coldest months:
February 28.9 °F
January 30.6 °F
March 34.3 °F
Rainiest months:
November 6 days
December 6 days
April 4 days
Windiest months:
December 12.4 mph
February 11.9 mph
November 11.6 mph

Sydney on a weather map

Sydney
+28°F
E 31 mph
Feels like: +12°F
Precip.: 0%
Places in Canada:
Name
°F
+48°F
+50°F
+34°F
+30°F
+5°F
+14°F
+32°F
+21°F
+28°F
+27°F
+27°F
+32°F
+28°F
+30°F
24 Hours Forecast
Sydney
Local time: 13:19
January 12, monday
1500
28°F
E
27 mph
1800
28°F
E
25 mph
2100
27°F
E
21 mph
January 13, tuesday
0000
27°F
E
16 mph
0300
25°F
E
14 mph
0600
23°F
E
13 mph
0900
25°F
NE
11 mph
1200
30°F
NE
14 mph
Units of measurement: °C / °F