January in Rarotonga: strong conditions, 6th of 12
Good · 7.5/10January averages 26°C (79°F) and humidity near 83%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Monthly rainfall reaches 184 mm — wet for this destination — but about 29 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 7.5/10 here, 6th of 12 months, against 9.3/10 in the destination's best month.
Plan for mid-season pricing, with crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Flexible dates? November scores 1.8 points higher here — enough to change the trip.
February in Rarotonga — reliably good (5th best month)
Good · 8.1/10February averages 27°C (80°F) and humidity near 81%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Monthly rainfall reaches 126 mm — wet for this destination — but about 28 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 8.1/10 here, 5th of 12 months, against 9.3/10 in the destination's best month.
Plan for mid-season pricing, with crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
March in Rarotonga — reliably good (10th best month)
Good · 7.3/10Days in March average 27°C (81°F) and humidity near 82% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
This is the year's wettest stretch at 219 mm, but with about 24 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.
That is 7.3/10 on the same scale — 10th of 12 months, versus 9.3/10 for the best month here.
Budget for mid-season pricing, and crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, November is materially better in Rarotonga — 2 points higher on the same scale.
April in Rarotonga: strong conditions, 11th of 12
Good · 7.3/10April averages 27°C (80°F) and humidity near 79%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
At 135 mm this is a genuinely wet month: about 18 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 7.3/10 here, 11th of 12 months, against 9.3/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Flexible dates? November scores 2 points higher here — enough to change the trip.
May in Rarotonga — middling scores, decent value
Trade-offs · 5.8/10Days in May average 26°C (79°F) and humidity near 81% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
167 mm of rain signals a properly wet month, with only about 9 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 5.8/10 on the same scale — 12th of 12 months, versus 9.3/10 for the best month here.
Expect low-season pricing, and crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, November is materially better in Rarotonga — 3.5 points higher on the same scale.
June holds up well in Rarotonga — 7th best month
Good · 7.5/10June averages 25°C (77°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rainfall runs 57 mm, so plan one flexible day in three; you still get about 10 days with 6+ hours of sunshine and 10.7 hours of daylight.
It scores 7.5/10 here, 7th of 12 months, against 9.3/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack light clothing, swimwear and real sun protection, a packable rain layer.
Flexible dates? November scores 1.8 points higher here — enough to change the trip.
July in Rarotonga — reliably good (8th best month)
Good · 7.5/10July averages 24°C (75°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rainfall runs 71 mm, so plan one flexible day in three; you still get about 12 days with 6+ hours of sunshine and 10.8 hours of daylight.
It scores 7.5/10 here, 8th of 12 months, against 9.3/10 in the destination's best month.
Plan for mid-season pricing, with crowds are moderate.
Pack light clothing, swimwear and real sun protection, a packable rain layer.
Flexible dates? November scores 1.8 points higher here — enough to change the trip.
August holds up well in Rarotonga — 4th best month
Good · 8.2/10With 23°C (74°F) on average, August delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.
Budget for roughly 66 mm of rain this month — a flexible day or two helps — with about 16 days with 6+ hours of sunshine and 11.3 hours of daylight to work around it.
That is 8.2/10 on the same scale — 4th of 12 months, versus 9.3/10 for the best month here.
Expect mid-season pricing, and this is one of the busiest months here.
Pack light clothing, swimwear and real sun protection, a packable rain layer.
September in Rarotonga — one of the year's strongest windows (2nd)
Best window · 8.8/10With 24°C (74°F) on average, September delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.
Budget for roughly 74 mm of rain this month — a flexible day or two helps — with about 22 days with 6+ hours of sunshine and 11.9 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for Rarotonga at 8.8/10 (2nd of 12), just behind November at 9.3/10.
Budget for mid-season pricing, and crowds are moderate.
Pack light clothing, swimwear and real sun protection, a packable rain layer.
October ranks 3rd of 12 for Rarotonga — one of the best windows
Best window · 8.7/10October averages 24°C (74°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rainfall runs 84 mm, so plan one flexible day in three; you still get about 28 days with 6+ hours of sunshine and 12.5 hours of daylight.
A 8.7/10 puts this among the year's best months in Rarotonga (3rd of 12); only November scores higher, at 9.3/10.
Figure on mid-season pricing, with crowds are moderate.
Pack light clothing, swimwear and real sun protection, a packable rain layer.
November in Rarotonga tops the year's climate scores
Best window · 9.3/10November averages 24°C (75°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rainfall runs 53 mm, so plan one flexible day in three; you still get about 30 days with 6+ hours of sunshine and 13 hours of daylight.
On our climate-comfort scale this is the top-ranked month of the year for Rarotonga at 9.3/10 — the reference point every other month on this page is measured against.
Plan for peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack light clothing, swimwear and real sun protection, a packable rain layer.
December in Rarotonga: strong conditions, 9th of 12
Good · 7.5/10With 25°C (78°F) on average, December delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.
190 mm of rain makes this a wet month here, though with about 29 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 7.5/10 on the same scale — 9th of 12 months, versus 9.3/10 for the best month here.
Budget for mid-season pricing, and crowds are moderate.
Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella.
If your dates are flexible, November is materially better in Rarotonga — 1.8 points higher on the same scale.