Rarotonga (Cook Islands) weather in March
Cook Islands

March in Rarotonga: hot, soaked, with clean air — fine if you can take 20 rainy days.
#10 of 12 months in Rarotonga · #623 of 1383 destinations to visit in March · comfort 77/100 (tier B)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Rarotonga in March
Other months in Rarotonga
Rarotonga's forum calls October-November a favorite window, technically within cyclone season but with genuinely low odds of a storm actually hitting during a visit. Regulars note November runs noticeably more humid than October, though still comfortable enough to sleep without air conditioning, and flag it as low season for tourism, meaning better accommodation rates.
Add your own note from Rarotonga's card on the map.
Rarotonga climate normals — March
| Daytime high | 28°C / 83°F | 🥵 hot |
|---|---|---|
| Nighttime low | 22°C / 71°F | |
| Feels like (high) | 31°C / 88°F | |
| Sea temperature | 28°C / 83°F | ♨️ bath-warm |
| Rainfall | 210 mm / 8.3 in | ⛈ soaked |
| Rainy days | 20 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 22°C / 71°F | |
| Sunshine | 9.9 h/day | |
| Daylight | 12.2 h | |
| Wind | 25 km/h / 15 mph | |
| Air quality (US AQI) | 27 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Rarotonga in March
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Quietone of its worst months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Rarotonga's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherRarotonga's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Rarotonga in March
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Hazard
Cyclone season
1 Nov – 30 AprThe South Pacific cyclone season runs from November to April, peaking between December and February. Most years pass without a hit, and the wet months are the cheapest to visit. Source ↗
- Season
Wet season
MonsoonRisk20 rainy days and about 210 mm in the month — the real kind of rainy season, not afternoon showers.
from the climate normals
Where is Rarotonga?
Rarotonga in March — FAQ
- Is March a good time to visit Rarotonga?
- March in Rarotonga: hot, soaked, with clean air — fine if you can take 20 rainy days. It ranks #10 of 12 months for Rarotonga on SeasonMap's comfort score (77/100).
- What is the weather like in Rarotonga in March?
- In March, Rarotonga averages a daily high of 28.2°C and a low of 21.7°C, with about 210.3 mm of rain over roughly 20.1 rainy days.
- What is the air quality in Rarotonga in March?
- Rarotonga has a mean US Air Quality Index of about 27 in March.