World Resorts Australia Cairns Weather

Cairns Sea Temperature in May

Average sea water temperature in May:
+78.1°F
Minimum sea water temperature in May: 81.3°F
Maximum sea water temperature in May: 74.3°F

Daily sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 76.7°F. The highest and lowest sea temperatures during the month were 78.3°F and 75.6°F.

Monthly sea water temperature in Cairns, °F

Which Australia resorts have warmest sea in May?

Place name May 2026 May 2025
Darwin 83.4°F 82.4°F
Cairns 76.7°F 78.8°F
Gold Coast 74.6°F 74.9°F
Fraser 73.1°F 74.4°F
Brisbane 70.1°F 71.1°F
Sydney 68.1°F 69.2°F
Perth 66.5°F 67.9°F
Adelaide 64.3°F 64.2°F
Melbourne 60.2°F 60.8°F
Tasmania 56.7°F 58.2°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 75.9 °F
June 76.2 °F
August 76.6 °F
Rainiest months:
January 10 days
March 8 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
05:56
Cairns
+63°F
N 6 mph
Feels like: +63°F
Precip.: 28%
Places in Australia:
Name
°F
Adelaide
+52°F
Brisbane
+57°F
Gold Coast
+57°F
Darwin
+75°F
Canberra
+45°F
Cairns
+63°F
Melbourne
+54°F
Perth
+54°F
Sydney
+55°F
Tasmania
+46°F
Fraser
+66°F
24 Hours Forecast
Cairns
Local time: 05:56
June 20, saturday
0600
63°F
N
6 mph
0900
73°F
NW
6 mph
1200
77°F
NW
7 mph
1500
77°F
NW
8 mph
1800
68°F
NW
6 mph
2100
64°F
N
7 mph
June 21, sunday
0000
63°F
N
7 mph
0300
63°F
N
6 mph
Units of measurement: °C / °F