Cook Islands in May

May is Cook Islands's weakest month (rank 12 of 12): its 3 destinations average 73/100, led by Avarua at 74 — 30°C and 17 rainy days — while Rarotonga is cooler at 27°C and scores 74.

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

Cook Islands, month by month

73/100 in May
  1. 75Jan
  2. 73Feb
  3. 77Mar
  4. 79Apr
  5. 73May
  6. 83Jun
  7. 81Jul
  8. 83Aug
  9. 86Sep
  10. 84Oct
  11. 85Nov
  12. 76Dec

Where in Cook Islands in May

#PlaceTypeFeels-like highRainComfortAt its best
1AvaruaIsland30°C159 mm · 17 days74 tier B—
2RarotongaIsland27°C159 mm · 17 days74 tier B—
3AitutakiIsland29°C210 mm · 17 days70 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 May 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 May

  • Te Mire Ura Nui (Dancer of Year) · Avarua · 1–31 May (usually)

Seasons in force

Dry season · 2 places

Better months for Cook Islands

September · 86/100November · 85/100October · 84/100
← Cook Islands in AprilCook Islands in June →Best time to visit Cook Islands, month by monthCompare: Avarua vs Rarotonga in May