Cairns Weather in December
Australia · 30-year monthly averages
⚠️ Challenging time to visit
December in Cairns is hot, with average daytime highs around 32°C (90°F) and nighttime lows near 24°C (75°F). Expect roughly 185mm of precipitation spread over about 11 rainy days, and this is one of the wetter months.
Avg high
32°C
90°F
Avg low
24°C
75°F
Rainfall
185mm
rainy
Rainy days
11
days with ≥1mm
☀️ About 243 hours of sunshine over the month (~8h/day).
🎒 What to pack
- breathable summer clothing
- sunscreen, hat and sunglasses
- refillable water bottle
- compact umbrella or rain jacket
December vs the rest of the year
FAQ
- How hot is Cairns in December?
- December in Cairns is hot, with average daytime highs around 32°C (90°F) and nighttime lows near 24°C (75°F). Expect roughly 185mm of precipitation spread over about 11 rainy days, and this is one of the wetter months.
- Does it rain a lot in Cairns in December?
- Cairns sees around 185mm of precipitation in December on average — rainy by global standards.
- Is December a good time to visit Cairns?
- December is a challenging month to visit Cairns weather-wise — plan around the conditions.