World Resorts Australia Cairns Weather

Cairns Sea Temperature in August

Average sea water temperature in August:
+73.9°F
Minimum sea water temperature in August: 76.5°F
Maximum sea water temperature in August: 69.8°F

Daily sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 71.8°F. The highest and lowest sea temperatures during the month were 73.6°F and 69.8°F.

Monthly sea water temperature in Cairns, °F

Which Australia resorts have warmest sea in August?

Place name August 2026 August 2025
Darwin 79.1°F 79.5°F
Cairns 71.8°F 74.5°F
Gold Coast 68.2°F 68.9°F
Fraser 67.6°F 66.7°F
Brisbane 63.9°F 63.6°F
Sydney 61.5°F 64.5°F
Perth 61.3°F 62.2°F
Adelaide 56.5°F 55.2°F
Tasmania 54.1°F 53.8°F
Melbourne 52.8°F 52.1°F

Best time for vacation in Cairns

Sunniest months:
October 19 days
August 18 days
September 16 days
Warmest months:
December 86.7 °F
January 86.6 °F
February 86.3 °F
Warmest sea temp:
February 84.8 °F
January 84.6 °F
March 83.9 °F
Coldest months:
July 75.8 °F
June 76.1 °F
August 76.6 °F
Rainiest months:
January 10 days
March 8 days
February 8 days
Windiest months:
May 9.6 mph
July 9.2 mph
June 9.1 mph

Cairns on a weather map

Cairns
+73°F
NW 4 mph
Feels like: +77°F
Precip.: 4%
Places in Australia:
Name
°F
+54°F
+63°F
+63°F
+77°F
+46°F
+73°F
+48°F
+59°F
+63°F
+50°F
+68°F
24 Hours Forecast
Cairns
Local time: 10:11
August 26, wednesday
1200
81°F
W
7 mph
1500
81°F
W
7 mph
1800
70°F
W
3 mph
2100
63°F
N
3 mph
August 27, thursday
0000
63°F
N
3 mph
0300
61°F
N
4 mph
0600
61°F
N
4 mph
0900
73°F
NW
6 mph
Units of measurement: °C / °F