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 77.0°F. The highest and lowest sea temperatures during the month were 78.3°F and 76.1°F.

Monthly sea water temperature in Cairns, °F

Which Australia resorts have warmest sea in May?

Place name May 2026 May 2025
Darwin 83.7°F 82.4°F
Cairns 77.0°F 78.8°F
Gold Coast 74.8°F 74.9°F
Fraser 73.5°F 74.4°F
Brisbane 70.5°F 71.1°F
Sydney 67.9°F 69.2°F
Perth 66.6°F 67.9°F
Adelaide 64.7°F 64.2°F
Melbourne 60.5°F 60.8°F
Tasmania 56.8°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
08:48
Cairns
+73°F
N 3 mph
Feels like: +77°F
Precip.: 0%
Places in Australia:
Name
°F
Adelaide
+57°F
Brisbane
+68°F
Gold Coast
+70°F
Darwin
+77°F
Canberra
+52°F
Cairns
+73°F
Melbourne
+55°F
Perth
+59°F
Sydney
+68°F
Tasmania
+52°F
Fraser
+70°F
24 Hours Forecast
Cairns
Local time: 08:48
May 26, tuesday
0900
73°F
N
3 mph
1200
77°F
W
5 mph
1500
75°F
W
5 mph
1800
70°F
NW
5 mph
2100
68°F
N
5 mph
May 27, wednesday
0000
66°F
N
4 mph
0300
64°F
NE
4 mph
0600
63°F
NE
4 mph
Units of measurement: °C / °F