Cairns weather in March
March in Cairns: sweltering, soaked, with clean air — a great time to visit.
#8 of 12 months in Cairns · #263 of 604 destinations to visit in March · comfort 77/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Cairns climate normals — March
| Daytime high | 29°C / 84°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 76°F | |
| Feels like (high) | 34°C / 93°F | |
| Rainfall | 191 mm / 7.5 in | ⛈ soaked |
| Rainy days | 19 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 24°C / 74°F | |
| Sunshine | 9.7 h/day | |
| Daylight | 12.2 h | |
| Wind | 15 km/h / 9 mph | |
| Air quality (US AQI) | 18 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Cairns?
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Cairns in March — FAQ
- Is March a good time to visit Cairns?
- March in Cairns: sweltering, soaked, with clean air — a great time to visit. It ranks #8 of 12 months for Cairns on SeasonMap's comfort score (77/100).
- What is the weather like in Cairns in March?
- In March, Cairns averages a daily high of 28.8°C and a low of 24.6°C, with about 191.3 mm of rain over roughly 18.8 rainy days.
- What is the air quality in Cairns in March?
- Cairns has a mean US Air Quality Index of about 18 in March.