Temperature
Pleasant by day, warm at night.
75°Ftypical December high
Typical range
December climate
December in Rarotonga
Cook Islands · Oceania
Warm coastal days and some sun. Humid air is the main drawback.
Some tradeoffs
Daytime high
75°F
Lows around 73°F
Rain
Frequent rain
Sun
11 h/day
Air feel
Humid
Sea temp
79°F
Great for swimming
When to visit
Month-by-month fit
Best
Precipitation
Rain is frequent, with a mix of brief and longer spells. About 15 wet days, more than in most months.
48%wet-day frequency
AmountWet-day chance
Sunshine
Cloudier spells limit sunshine.
11 hDecember sunshine
Heat & humidity by month
Humid air and frequent rain shape this month.
92%December Heat feel
Easy airWarm airHumid airVery humid air
Hourly temperature pattern
In December, afternoons feel about 77° and nights feel near 76°.
ComfortableWarmNight hours
Clear sky
Mostly cloudy skies this month.
31%December Clear sky
Clear skyCloud
Wind pattern
December's typical breeze keeps the air from feeling as stagnant.
15 mphDecember Breezy
Sea temperature
79°FDecember sea temp
More detailIncludes daypart comfort
Typical December day
December stays around 77°F through the day and night.
Avg temp Typical range
Morning77°F
Rain31%
Cloud68%
Humid airVery high
Sun intensityModerate
Midday77°F
Rain30%
Cloud67%
Humid airVery high
Sun intensityStrong
Late afternoon77°F
Rain30%
Cloud68%
Humid airVery high
Sun intensityStrong
Early evening77°F
Rain32%
Cloud69%
Humid airVery high
Sun intensityMinimal
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 76 | 74 | 8.4 | 19 | 10.7 | 82 | 81 |
| Feb | 77 | 74 | 8.1 | 17 | 10.3 | 82 | 82 |
| Mar | 77 | 74 | 7.6 | 19 | 10.4 | 82 | 82 |
| Apr | 76 | 74 | 5.6 | 15 | 9.7 | 79 | 81 |
| May | 74 | 72 | 5.6 | 14 | 9.2 | 77 | 79 |
| Jun | 72 | 70 | 3.0 | 9 | 9.3 | 74 | 77 |
| Jul | 71 | 69 | 3.6 | 9 | 9.0 | 74 | 76 |
| Aug | 70 | 68 | 3.0 | 9 | 9.5 | 73 | 75 |
| Sep | 71 | 69 | 2.7 | 9 | 9.8 | 76 | 75 |
| Oct | 71 | 69 | 3.7 | 10 | 10.6 | 76 | 76 |
| Nov | 73 | 71 | 3.6 | 11 | 11.2 | 78 | 78 |
| Dec | 75 | 73 | 7.6 | 15 | 11.0 | 80 | 79 |
Similar climates
Similar
Similar travel stylePort DenarauFijiSimilar travel styleWhitsundaysAustraliaSimilar travel styleMooreaFrench PolynesiaSimilar travel styleVava'uTonga
Want a side-by-side climate view? Compare Rarotonga with Port Denarau.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology