Weather in Cairns in December
Cairns, Australia averages a high of 29.5°C (85.1°F) and low of 24.1°C (75.4°F) in December, with 16 rain days and 11.1 hours of daily sunshine. Travel score: 73.8/100 (Good). The best time to visit Cairns is September.
High
30°C85°F
Low
24°C75°F
🌧️
16
rain days
☀️
11.1
hrs/day sunshine
💧
81%
humidity
74— Good
December in Cairns is hot and rainy — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Cairns?
How much does it rain in Cairns in December?
Cairns receives an average of 177.2mm of rainfall across 16 rainy days in December. The annual total is 1361mm.
What should I pack for Cairns in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 30°C
🧥
Waterproof jacket
Frequent rain expected (16 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧴
Sunscreen SPF 30+
11 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to Australia in December?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31