Verdict: Excellent month
Cairns Weather in August
August hits the sweet spot in Cairns — highs around 25°C (77°F), ideal for a full day on foot. Expect showers on roughly 10 days of the month — rarely trip-ruining, worth planning around. Overall, August is one of the best months of the year to be in Cairns.
Average high
25°C / 77°F
Average low
18°C / 64°F
Rain days
~10
Precipitation
55 mm
What to pack for Cairns in August
- Summer clothes, plus one light layer for air-con and evenings
- A packable rain shell or compact umbrella earns its space
- Comfortable walking shoes — every guide on this site assumes you'll use them
August against the rest of the year
Warmest in Cairns: Jan (31°C / 88°F) · Coolest: Jul (24°C / 75°F) · Wettest: Jan (~24 rain days)
31°
24°
Jan
31°
24°
Feb
30°
24°
Mar
29°
23°
Apr
26°
20°
May
25°
19°
Jun
24°
18°
Jul
25°
18°
Aug
27°
20°
Sep
29°
21°
Oct
30°
22°
Nov
31°
24°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)