Cook Islands in March

March is one of Cook Islands's weaker months (rank 10 of 12): its 3 destinations average 74/100, led by Aitutaki at 79 — 27°C and 22 rainy days — while Rarotonga trails at 71 with 251 mm of rain.

#10 of 12 months for Cook Islands · 3 destinations · updated September 2026 · climate normals from ERA5 reanalysis

Where in Cook Islands in March

#PlaceTypeFeels-like highRainComfortAt its best
1AitutakiIsland27°C164 mm · 22 days79 tier B
2AvaruaIsland27°C251 mm · 21 days71 tier B
3RarotongaIsland25°C251 mm · 21 days71 tier B

Comfort is SeasonMap's 0–100 score; each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. "At its best" means March is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.

What's on in Cook Islands in March

Seasons in force

Better months for Cook Islands

More about March