Current sea water temperature:
+81.3°F
| Minimum sea water temperature in April: | 85.8°F |
| Maximum sea water temperature in April: | 79.0°F |
| Average sea water temperature in April: | 81.9°F |
| more information | |
14 days
forecast
forecast
| Cairns |
monthly
weather
weather
| Cairns |
Sea water temperature for the last 10 days:
| April 5 | 81.3°F | March 31 | 82.6°F |
| April 4 | 81.9°F | March 30 | 82.9°F |
| April 3 | 82.0°F | March 29 | 83.1°F |
| April 2 | 82.0°F | March 28 | 83.1°F |
| April 1 | 82.4°F | March 27 | 82.4°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
April
April
| Cairns |
Best time for vacation in Cairns
Cairns on a weather map
Places in Australia:
Name
°F
24 Hours Forecast
Cairns
Local time: 06:59
April 06, monday
0900

77°F
NW
11 mph
11 mph
1200

82°F
NW
13 mph
13 mph
1500

81°F
NW
14 mph
14 mph
1800

75°F
NW
11 mph
11 mph
2100

70°F
N
9 mph
9 mph
April 07, tuesday
0000

68°F
N
8 mph
8 mph
0300

68°F
N
7 mph
7 mph
0600

68°F
N
8 mph
8 mph




























