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
November 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 76.5 °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
+70°F
NW 1 mph
Feels like: +70°F
Precip.: 13%
Places in Australia:
Name
°F
+54°F
+70°F
+68°F
+84°F
+59°F
+70°F
+50°F
+59°F
+68°F
+50°F
+73°F
24 Hours Forecast
Cairns
Local time: 19:57
October 25, sunday
2100
70°F
NW
1 mph
October 26, monday
0000
66°F
N
1 mph
0300
64°F
NE
2 mph
0600
64°F
NE
2 mph
0900
86°F
W
4 mph
1200
91°F
SW
6 mph
1500
88°F
SW
6 mph
1800
79°F
SW
4 mph
Units of measurement: °C / °F