World Resorts Australia Cairns Weather

Cairns Sea Temperature in August

Average sea water temperature in August:
+74.0°F
Minimum sea water temperature in August: 76.5°F
Maximum sea water temperature in August: 71.4°F

Daily sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 74.5°F. The highest and lowest sea temperatures during the month were 76.3°F and 73.2°F.

Monthly sea water temperature in Cairns, °F

Which Australia resorts have warmest sea in August?

Place name August 2025 August 2024
Darwin 79.5°F 81.1°F
Cairns 74.5°F 74.1°F
Gold Coast 68.9°F 69.1°F
Fraser 66.7°F 68.1°F
Sydney 64.5°F 62.6°F
Brisbane 63.6°F 64.5°F
Perth 62.2°F 63.3°F
Adelaide 55.2°F 56.0°F
Tasmania 53.8°F 52.6°F
Melbourne 52.1°F 52.4°F

Best time for vacation in Cairns

Sunniest months:
October 19 days
August 18 days
September 16 days
Warmest months:
December 86.8 °F
January 86.7 °F
February 86.3 °F
Warmest sea temp:
February 84.8 °F
January 84.6 °F
March 83.9 °F
Coldest months:
July 75.9 °F
June 76.2 °F
August 76.6 °F
Rainiest months:
January 10 days
March 9 days
February 8 days
Windiest months:
May 9.6 mph
July 9.1 mph
June 9.1 mph

Cairns on a weather map

Current weather
08:49
Cairns
+84°F
E 1 mph
Feels like: +90°F
Precip.: 87%
Places in Australia:
Name
°F
Adelaide
+64°F
Brisbane
+75°F
Gold Coast
+73°F
Darwin
+82°F
Canberra
+57°F
Cairns
+84°F
Melbourne
+55°F
Perth
+70°F
Sydney
+61°F
Tasmania
+50°F
Fraser
+79°F
24 Hours Forecast
Cairns
Local time: 08:49
December 26, friday
0900
84°F
E
1 mph
1200
84°F
S
5 mph
1500
84°F
SE
4 mph
1800
81°F
E
4 mph
2100
77°F
E
5 mph
December 27, saturday
0000
77°F
E
2 mph
0300
77°F
NE
2 mph
0600
77°F
E
2 mph
Units of measurement: °C / °F