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Cairns in March sees high daytime temperatures of 29°C (84°F) and nighttime lows of 24°C (75°F). As part of the rainy season, showers are frequent and often heavy. Budget around 226 mm (8.9 in) of rainfall for the month.
Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August, September, October and November typically offer the best weather for Cairns.
Pick a month to see the average temperature, rainfall and sunshine in Cairns - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Cairns typically stay consistent throughout March, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 24°C (75°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Cairns spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 50 years of weather observations in Cairns between 1976 and 2026, these are the recorded extremes.
Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in March →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm weather calls for comfortable, breathable clothing in March. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. The water temperature sits at about 27°C (81°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Cairns climate overview or explore weather in Australia.
Where to go in March - average daytime high across popular destinations.
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