Plan your trip
The best time to visit Cairns
Cairns averages daytime highs of 27°C and overnight lows around 23°C across the year. Here's when to go — season by season and month by month — based on a decade of climate data.
In short
- 🌤️ Best overall: August, September, October — the most comfortable, driest stretch.
- 🔥 Hottest: January (~30°C) · Coolest: June (~24°C)
- 🌧️ Wettest: January · Driest: August
- 💸 Quietest / best value: the autumn and spring shoulder seasons (outside the Dec–Jan holidays).
18°C Clear in Cairns
Winter · H 24° / L 18° · Cosy season — warm up indoors.
Hottest month
January
avg high 30°C
Coolest month
June
avg high 24°C
Wettest month
January
~350mm
Driest month
August
~34mm
Our pick
For the best balance of comfortable weather and fewer wet days, aim for August, September, October. If you don't mind the heat, January is peak summer; for cooler, quieter exploring, June is the mildest stretch. Whatever month you choose, check what's on and our 48-hour itinerary.
Cairns season by season
What each season is actually like — and what it's best for.
Summer in Cairns
December – February
Summer is hot in Cairns — average highs around 30°C, overnight lows near 25°C, and about 899mm of rain across the season (very wet). Beach days, early starts and long evenings out — pack sun protection, a hat and water.
Autumn in Cairns
March – May
Autumn is warm in Cairns — average highs around 28°C, overnight lows near 24°C, and about 600mm of rain across the season (very wet). Mild, settled days make this prime time for walks, wine country, markets and leisurely lunches.
Winter in Cairns
June – August
Winter is warm in Cairns — average highs around 24°C, overnight lows near 19°C, and about 146mm of rain across the season (dry). Cosy season — lean into cafes, museums, galleries and snug pubs; bring a few layers.
Peak season & crowds
Cairns is busiest — and accommodation priciest — over the December–January summer school holidays around Christmas and New Year, plus long weekends and major events. For thinner crowds and better value, the autumn (March – May) and spring (September – November) shoulder seasons are the sweet spot — mild weather without the peak-season squeeze. Book ahead if you're visiting around a festival; see what's on to plan around it.
Cairns weather month by month
Average daily high & low temperature and total monthly rainfall.
| Month | Season | High | Low | Rainfall |
|---|---|---|---|---|
| January | Summer | 30°C | 25°C | 350mm |
| February | Summer | 30°C | 25°C | 297mm |
| March | Autumn | 29°C | 25°C | 290mm |
| April | Autumn | 28°C | 24°C | 225mm |
| May | Autumn | 26°C | 22°C | 85mm |
| June | Winter | 24°C | 20°C | 58mm |
| July | Winter | 24°C | 19°C | 54mm |
| August | Winter | 24°C | 19°C | 34mm |
| September | Spring | 26°C | 21°C | 37mm |
| October | Spring | 27°C | 22°C | 45mm |
| November | Spring | 29°C | 24°C | 51mm |
| December | Summer | 29°C | 25°C | 252mm |
Source: Open-Meteo historical climate data, 10-year averages (2014–2023). Day-to-day weather varies — check the current forecast before you travel.
Best time to visit Cairns — FAQs
When is the best time to visit Cairns?+
August, September, October generally offer Cairns's most comfortable mix of pleasant temperatures and fewer wet days. The warmest month is January (average high 30°C) and the coolest is June (average high 24°C).
What is the hottest month in Cairns?+
January is the hottest month in Cairns, with average daytime highs around 30°C.
What is the coldest month in Cairns?+
June is the coolest month, with average highs near 24°C and overnight lows around 20°C.
What is the wettest month in Cairns?+
January is typically the wettest month (about 350mm of rain on average), while August is the driest at around 34mm.
When is the cheapest, quietest time to visit Cairns?+
The shoulder seasons — autumn (March – May) and spring (September – November) — are usually quieter and better value than the summer peak. The busiest, priciest stretch is the December–January school-holiday period around Christmas and New Year.
What is summer like in Cairns?+
Summer (December – February) is hot in Cairns, averaging highs near 30°C and lows around 25°C, with roughly 899mm of rain across the season.
What is winter like in Cairns?+
Winter (June – August) is warm in Cairns, with average highs around 24°C and overnight lows near 19°C.
How many days do you need in Cairns?+
Two to three days covers the highlights — see our 48-hour itinerary for a ready-made plan — while four or more lets you explore the suburbs and day trips at a relaxed pace.