Current Sea Water Temperature:
+82.2°F
| Maximum Sea Water Temperature in April: | 89.8°F |
| Minimum Sea Water Temperature in April: | 82.2°F |
| Average water temperature in April: | 85.4°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| April 28 | 82.2°F | April 23 | 84.6°F |
| April 27 | 82.8°F | April 22 | 84.6°F |
| April 26 | 83.2°F | April 21 | 84.8°F |
| April 25 | 83.8°F | April 20 | 85.0°F |
| April 24 | 84.2°F | April 19 | 84.8°F |
When is the Warmest Sea for Cairns?
According to our data for the last three years for Cairns the highest average sea water temperature was in February, January and March.
Average Water Temperature by Month, °F
Sea Water Temperature in February
The average sea surface temperature in February 2026 for Cairns was 90.0°F. The maximum and minimum values were 89.4°F and 91.0°F respectively.
Sea Water Temperature in January
The average sea surface temperature in January 2026 for Cairns was 87.9°F. The maximum and minimum values were 86.8°F and 89.6°F respectively.
Sea Water Temperature in March
The average sea surface temperature in March 2026 for Cairns was 87.5°F. The maximum and minimum values were 83.8°F and 90.4°F respectively.
Australia Resorts:
NAME
F°
| Adelaide |  |
+60 |
| Brisbane |  |
+60 |
| Cairns | |
+70 |
| Canberra |  |
+42 |
| Darwin | |
+78 |
| Fraser | |
+72 |
| Gold Coast | |
+62 |
| Melbourne | |
+60 |
| Perth | |
+64 |
| Sydney | |
+60 |
| Tasmania | |
+56 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Cairns
Local time: 02:54
29 apr, wednesday
| 0300 |  |
70°F | N 8 mph |
| 0600 | |
70°F | N 9 mph |
| 0900 | |
78°F | NW 11 mph |
| 1200 |  |
80°F | NW 12 mph |
| 1500 | |
80°F | NW 13 mph |
| 1800 |  |
74°F | NW 11 mph |
| 2100 | |
72°F | NW 10 mph |
30 apr, thursday
| 0000 | |
74°F | NW 11 mph |