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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Media Grid UK weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above before heading out in Cairns – tropical downpours and cyclones can develop quickly. The city’s monsoon-influenced climate means high humidity and heat year-round, with a distinct wet season from November to April.
What is the Cairns weather year round?
Average daytime temperatures in Cairns range 26–31°C all year, with overnight lows rarely below 17°C. The dry season (May–October) brings south-east trade winds, lower humidity and minimal rain – ideal for outdoor trips. The wet season (November–April) sees north-west monsoons, heavy showers and humidity above 70%. Rainfall peaks between January and March, often exceeding 400mm per month. Cyclones are possible during the wet season, though direct hits are uncommon.
How reliable are extended forecasts for Cairns?
For a reliable outlook, use the 7-day forecast in the live data above. Longer-range cairns weather forecast 14 days and cairns weather forecast 21 days show broad trends but lose accuracy due to tropical variability. The cairns weather 30 day forecast is useful for spotting a wet or dry phase, not day-by-day details. For immediate planning, the weather in cairns 10 days and cairns weather forecast 7 days are your best guides. Check BBC Weather or the Met Office for updated warnings.
Does Cairns have a cyclone season?
Yes, the official cyclone season runs from November to April. The cairns weather warning today may include cyclone watches during this period. Always monitor the live forecast above and official sources if a system is approaching.
When is the best time to visit Cairns for good weather?
The dry season (May to October) offers the most reliable weather: lower humidity, less rain and fewer cyclone risks. Daytime temperatures are still warm (26–29°C), making it ideal for outdoor activities and the Great Barrier Reef.
How does the Cairns climate compare to the UK?
Cairns is tropical and consistently warm, unlike the UK’s temperate climate. While the UK sees mild summers and cold winters, Cairns stays hot year-round but shifts between dry and wet seasons. Humidity in Cairns is much higher, especially from January to March.
For UK conditions, see our UK weather hub or the 10 Day Weather Forecast UK.