The Great Barrier Reef’s seasonal weather changes, and typically, the weather on land is very different from the weather at sea.
Cairns Weather forecast
Cairns Weather & Climate
| Summer (Dec-Feb) |
Autumn (Mar-May) |
Winter (Jun-Aug) |
Spring (Sep-Nov) |
|
|---|---|---|---|---|
| Marine life | Overall great marine life activity with plenty to see | Overall great marine life activity with plenty to see | Minke Whales & Humpback Whales | Humpback Whales & Coral Spawning (Nov) |
| Visibility | Excellent | Good | Good | Excellent |
| Water temperature | 29°C (85°F) | 25-27°C (77-80°F) | 22-24°C (71-75°F) | 25-27°C (77-80°F) |
| Sea Conditions | Generally calm | Calm to moderate | Moderate | Generally calm |
| Rainfall | Moderate to high rain generally at night | Potential moderate rain | Low rainfall | Low rainfall |
Cairns annual temperature & precipitation
Metric
| J | F | M | A | M | J | J | A | S | O | N | D |
|
394
32
24
|
446
31
24
|
422
31
23
|
193
29
22
|
91
28
20
|
47
26
18
|
30
26
17
|
26
27
17
|
34
28
19
|
48
30
21
|
93
31
22
|
175
32
23
|
| Average max. and min. temperatures in °C | |||||||||||
| Precipitation totals in mm | |||||||||||
Imperial
| J | F | M | A | M | J | J | A | S | O | N | D |
|
16
89
75
|
18
88
75
|
17
87
74
|
7.6
85
71
|
3.6
82
68
|
1.9
79
64
|
1.2
78
63
|
1
80
63
|
1.3
83
66
|
1.9
85
69
|
3.7
87
72
|
6.9
89
74
|
| Average max. and min. temperatures in °F | |||||||||||
| Precipitation totals in inches | |||||||||||