Month by month
| Month | Afternoon | Sea | Rain | Verdict |
|---|---|---|---|---|
| January | 24.9 °C | 27.3 °C | 18 days | Possible, with trade-offs |
| February | 25.3 °C | 27.8 °C | 19 days | Unfavourable season |
| March | 25.4 °C | 28.1 °C | 20 days | Unfavourable season |
| April | 24.8 °C | 27.7 °C | 16 days | Possible, with trade-offs |
| May | 23.8 °C | 26.7 °C | 16 days | Possible, with trade-offs |
| June | 22.8 °C | 25.8 °C | 11 days | Ideal — one of the best times of year |
| July | 22 °C | 25 °C | 12 days | Ideal — one of the best times of year |
| August | 21.6 °C | 24.5 °C | 11 days | Ideal — one of the best times of year |
| September | 21.9 °C | 24.7 °C | 11 days | Ideal — one of the best times of year |
| October | 22.1 °C | 24.9 °C | 12 days | Ideal — one of the best times of year |
| November | 22.9 °C | 25.3 °C | 10 days | Ideal — one of the best times of year |
| December | 24.1 °C | 26.5 °C | 18 days | Possible, with trade-offs |
Nearby in August
Before you go
Three things to check once you have picked your dates.
Entry
No visa needed for stays of up to 31 days. Passport valid for at least 6 months. Passport valid 6 months after departure with 2 blank pages; onward ticket and proof of accommodation required. Niue: 30 days, 3 months validity.
For a British passport, per the UK Foreign Office on 10 December 2025. Rules change: check before booking.
Safety
No specific restrictions
Usual precautions apply.
Official advice updated 10 December 2025
Health
Vaccines · typhoid recommended for most travellers; hepatitis A and hepatitis B if you are not already vaccinated. Routine vaccines up to date (measles in particular).
Yellow fever · No yellow fever locally, vaccine not recommended. No entry requirement.
Malaria · None.
Mosquitoes · dengue and Zika reported: protect yourself from bites.
Per the CDC (page reviewed 25 August 2026); see a travel clinic a few weeks before departure.
Beau Fixe is not a safety or health authority. These notes summarise dated public texts and link to their source: France Diplomatie (Licence Ouverte 2.0), Foreign, Commonwealth & Development Office (gov.uk, Open Government Licence v3.0), Centers for Disease Control and Prevention (Source: CDC). Only the competent authorities are authoritative.
FAQ
Can you swim in Rarotonga in August?
The sea averages 24.5°C in August — yes, pleasant swimming.
How hot is Rarotonga in August?
Expect 21.6°C in the afternoon and 20.2°C at night, averaged over the last 10 years.
Does it rain a lot in Rarotonga in August?
Around 11 days with rain (≥ 1 mm) in the month — 34% of days.