Temperature
Warm by day, warm at night.
83°Ftypical Aug high
Ashmore and Cartier Islands is most comfortable in the drier months around June to September. Typical daytime highs run about 83-89°F year-round. The climate is hot and humid. Rainy season runs roughly December to March.

Warm by day, warm at night.
One of the driest months, with very little rain.
Plenty of sun this month.
The air feels slightly humid this month.
Predominantly clear skies.
Want a side-by-side climate view? Compare Ashmore and Cartier Islands with Port Denarau.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 11, 2026
Data & methodology