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
| # | Place | Type | Feels-like high | Rain | Comfort | At its best |
|---|---|---|---|---|---|---|
| 1 | Aitutaki | Island | 27°C | 164 mm · 22 days | 79 tier B | — |
| 2 | Avarua | Island | 27°C | 251 mm · 21 days | 71 tier B | — |
| 3 | Rarotonga | Island | 25°C | 251 mm · 21 days | 71 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.