Cairns Weather in January
Australia · 30-year monthly averages
⚠️ Challenging time to visit
January in Cairns is hot, with average daytime highs around 32°C (89°F) and nighttime lows near 24°C (75°F). Expect roughly 389mm of precipitation spread over about 16 rainy days, and heavy rainfall is common — this is peak wet season territory.
Avg high
32°C
89°F
Avg low
24°C
75°F
Rainfall
389mm
very wet
Rainy days
16
days with ≥1mm
☀️ About 215 hours of sunshine over the month (~7h/day).
🎒 What to pack
- breathable summer clothing
- sunscreen, hat and sunglasses
- refillable water bottle
- compact umbrella or rain jacket
January vs the rest of the year
FAQ
- How hot is Cairns in January?
- January in Cairns is hot, with average daytime highs around 32°C (89°F) and nighttime lows near 24°C (75°F). Expect roughly 389mm of precipitation spread over about 16 rainy days, and heavy rainfall is common — this is peak wet season territory.
- Does it rain a lot in Cairns in January?
- Cairns sees around 389mm of precipitation in January on average — very wet by global standards.
- Is January a good time to visit Cairns?
- January is a challenging month to visit Cairns weather-wise — plan around the conditions.