Temperatures have warmed and will continue to warm with more very hot days in the future.
Rainfall data since 1905 show no clear trends. Wet season rainfall is generally projected to increase over this century with more extreme rainfall days and fewer droughts.
Ocean acidification has been increasing in Niue’s waters. It will continue to increase and threaten coral reef ecosystems.
Wave heights may decrease in December to March.
Sea level near Niue has risen and will continue to rise throughout this century