16-Day Forecast
Today
7 Sept
21°C
Daytime High
23.2°C sea
20°C
Overnight Low
☀☀☀☀☀
11h sun
1.9mm rain
Tue
8 Sept
21°C
Daytime High
23.5°C sea
21°C
Overnight Low
☀☀☀☀☀
11.2h sun
Wed
9 Sept
22°C
Daytime High
24°C sea
20°C
Overnight Low
☀☀☀☀☀
11.2h sun
Thu
10 Sept
21°C
Daytime High
24.3°C sea
21°C
Overnight Low
☀☀☀☀☀
11.1h sun
0.6mm rain
Fri
11 Sept
23°C
Daytime High
24.1°C sea
21°C
Overnight Low
☀☀☀☀☀
11.2h sun
Sat
12 Sept
22°C
Daytime High
24°C sea
20°C
Overnight Low
☀☀☀○○
5.2h sun
1.5mm rain
Sun
13 Sept
20°C
Daytime High
23.9°C sea
20°C
Overnight Low
☀☀☀☀☀
11.5h sun
Mon
14 Sept
20°C
Daytime High
23.8°C sea
19°C
Overnight Low
☀☀☀☀☀
11.3h sun
0.6mm rain
Tue
15 Sept
20°C
Daytime High
~24.4°C sea
19°C
Overnight Low
☀☀☀○○
5.3h sun
Wed
16 Sept
20°C
Daytime High
~24.4°C sea
19°C
Overnight Low
☀☀☀☀☀
11.5h sun
Thu
17 Sept
20°C
Daytime High
~24.4°C sea
19°C
Overnight Low
☀☀☀☀☀
9.5h sun
0.6mm rain
Fri
18 Sept
21°C
Daytime High
~24.4°C sea
20°C
Overnight Low
☀☀☀☀☀
11.6h sun
Sat
19 Sept
22°C
Daytime High
~24.4°C sea
20°C
Overnight Low
☀☀☀☀☀
11.7h sun
27.9mm rain
Sun
20 Sept
22°C
Daytime High
~24.4°C sea
19°C
Overnight Low
☀☀☀☀☀
11.6h sun
18mm rain
Mon
21 Sept
20°C
Daytime High
~24.4°C sea
19°C
Overnight Low
☀☀☀○○
5.5h sun
18.5mm rain
Tue
22 Sept
~21.2°C
Daytime High
~24.4°C sea
~19.7°C
Overnight Low
☀☀☀☀☀
9.7h sun
hist. avg
☀ = sunshine score · °C high / low · hours of sunshine shown below
About Rarotonga
Rarotonga in the Cook Islands stands out as one of the South Pacific's premier sunshine destinations, offering visitors an irresistible combination of turquoise lagoons, lush volcanic mountains, and warm tropical hospitality. This island paradise delivers the kind of genuine escape that busy travellers crave, whether you're seeking a romantic getaway, a family adventure, or solo exploration of untouched natural beauty. The destination provides authentic Pacific experiences without requiring the extreme travel times associated with more remote island nations, making it an increasingly popular choice for holidays in Rarotonga among travellers from across the globe.
The climate in Rarotonga, Cook Islands remains pleasantly warm throughout the year, with average summer temperatures reaching 26°C during the peak season and winter months averaging a balmy 24°C. The sea temperature peaks around 28°C, inviting swimmers and water sports enthusiasts into clear lagoons that stay swimmable year-round. To help contextualise this for European visitors, Rarotonga's climate is considerably warmer and more consistent than Mediterranean destinations like southern Europe, offering tropical warmth without the seasonal extremes. The island experiences good rainfall during certain periods, but the combination of sunshine, moderate temperatures, and gentle trade winds creates comfortable conditions for most activities throughout the year.
The best time to visit Rarotonga falls between September and April, when the warmest and sunniest months deliver peak holiday conditions. However, even outside these peak periods, weather in Rarotonga remains reliably pleasant for travellers seeking a guaranteed sunshine holiday. If you're flexible with your dates, April through August offers slightly lower temperatures but minimal rainfall, while the peak warmer months deliver the most vibrant lagoon activities and outdoor experiences.
Rarotonga offers remarkable diversity for visitors of all interests, from world-class snorkelling and diving through pristine coral gardens to hiking the dramatic Te Rua Manga ridge for panoramic island views. The island's burgeoning food scene showcases fresh seafood and tropical fruits, while cultural experiences include traditional dance performances and local markets where you can meet community members. Getting to Rarotonga has become increasingly convenient, with direct flights available from New Zealand and Australia, plus one-stop connections from major hubs including the United Kingdom, United States, Canada, Germany, and numerous other countries across Europe and beyond, making holidays in Rarotonga accessible to travellers worldwide.
Typical rainfall & humidity in Rarotonga
Jan
188.5mm · 80%
Feb
217.2mm · 79%
Mar
219.3mm · 79%
Apr
157.9mm · 76%
May
155.1mm · 78%
Jun
104.7mm · 74%
Jul
103mm · 75%
Aug
59mm · 73%
Sep
119.8mm · 75%
Oct
52.6mm · 75%
Nov
65.2mm · 76%
Dec
107.4mm · 80%
Average monthly rainfall and relative humidity, based on the last 3 years of historical data.
