Cairns weather in March
Temperature, sea and sunshine in March: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in March
Good
Best time to visit: May, August – November
What is the weather like in Cairns in March?
In March, Cairns is hot: daytime highs average 28 °C, and even at night it stays warm at around 25 °C. The sea averages 28.6 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 19 days, totalling 235 mm. The air is often humid and muggy. All in all, March is a good month for a holiday in Cairns.
March compared
How the weather changes from February to April. Tap a month to open it.
| FebruaryFeb | MarchMar | AprilApr | |
|---|---|---|---|
| Score | 71 | 71 | 79 |
| Day | 29° | 28° | 26° |
| Night | 25° | 25° | 24° |
| Sea | 29° | 29° | 28° |
| Sun | 6 h | 6 h | 7 h |
| Rain days | 21 | 19 | 14 |
More details for March
- Daylight
- 12 h 13 min06:20 – 18:33
- UV index
- 12 · extremeclear sky, noon (estimate)
- Muggy days
- 31 daysdew point 18 °C or more
- Wind
- 15 km/haverage daily peak
- Cloud cover
- 72 %on average
- Hot days
- 1 day30 °C or more
- Time zone
- UTC+10Australia/Brisbane
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %57 %
- Few rainy daysweight 20 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in March
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Cairns in March: quick answers
Is Cairns hot in March?
Yes. In March, Cairns is hot: daytime highs average 28 °C and nights stay around 25 °C. On about 1 days the thermometer climbs to 30 °C or more.
Can you swim in Cairns in March?
Yes. In March the sea averages 28.6 °C – lovely and warm for swimming.
Does it rain much in Cairns in March?
It rains often – on about 19 days, adding up to 235 mm.
Cairns month by month
The whole year in CairnsAll destinations: Australia
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)