Thinking of visiting Rarotonga in October? Expect high temperatures reaching 25°C (77°F) during the day, dropping to 23°C (73°F) at night, and note that quite a bit of rainfall is likely.
If you favor pleasant temperatures and minimal rainfall, October is one of the best months to visit Rarotonga.
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Pick a month to see the average temperature, rainfall and sunshine in Rarotonga - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Rarotonga typically stay consistent throughout October, with daily highs averaging around 25°C (77°F). Nights are warm, with lows around 21°C (70°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Rarotonga spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 19 years of weather observations (2006-2025), these are the most extreme conditions recorded in Rarotonga.
Find out more about the weather in the Cook Islands and which places have the best travel conditions in this month. See all of the Cook Islands in October →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm but pleasant conditions in Rarotonga in October. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. Bring sunglasses since you'll have some sunny periods throughout the month
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Rarotonga climate overview or explore weather in the Cook Islands.
Where to go in October - average daytime high across popular destinations.
Penrhyn
29°C (84°F) Aitutaki
27°C (81°F) Arutanga27°C (81°F) Muri25°C (77°F) Avarua25°C (77°F) Arorangi25°C (77°F) Rarotonga25°C (77°F) Ngatangiia25°C (77°F) Need travel inspiration? Check out our bucket list articles and be inspired.
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