Current sea water temperature:
+76.3°F
| Minimum sea water temperature in May: | 81.3°F |
| Maximum sea water temperature in May: | 74.3°F |
| Average sea water temperature in May: | 78.1°F |
| more information | |
14 days
forecast
forecast
| Cairns |
monthly
weather
weather
| Cairns |
Sea water temperature for the last 10 days:
| May 18 | 76.3°F | May 13 | 76.3°F |
| May 17 | 76.3°F | May 12 | 76.3°F |
| May 16 | 76.3°F | May 11 | 76.5°F |
| May 15 | 76.1°F | May 10 | 76.6°F |
| May 14 | 76.1°F | May 9 | 77.5°F |
Monthly sea water temperature, °F
When is the warmest sea in Cairns?
Based on the data about daily sea water temperature for the last three years the warmest sea in Cairns was noticed in February, January and March.
Monthly Sea Temperatures in Cairns, °F
Sea water temperature in February, °F
Show year:
2026
2025
2024
The average sea water temperature in February of 2026 was 86.0°F. The highest and lowest sea temperatures during the month were 86.9°F and 85.5°F.
Sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 84.1°F. The highest and lowest sea temperatures during the month were 85.6°F and 83.1°F.
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 83.8°F. The highest and lowest sea temperatures during the month were 86.4°F and 80.4°F.
current
weather
weather
| Cairns |
weather in
May
May
| Cairns |
Best time for vacation in Cairns
Cairns on a weather map
Places in Australia:
Name
°F
24 Hours Forecast
Cairns
Local time: 05:57
May 19, tuesday
0600
64°F
N
5 mph
5 mph
0900
75°F
NW
3 mph
3 mph
1200
79°F
W
6 mph
6 mph
1500
79°F
W
6 mph
6 mph
1800
72°F
NW
4 mph
4 mph
2100
70°F
N
4 mph
4 mph
May 20, wednesday
0000
68°F
NE
3 mph
3 mph
0300
66°F
N
4 mph
4 mph
