June in Penrhyn brings high temperatures around 29°C (84°F) during the day, dropping to 26°C (79°F) at night, with quite a bit of rainfall expected, averaging around 119 mm (4.7 in) for the month.
If your ideal day consists of dry skies and pleasant temperatures, September typically offers the best circumstances for Penrhyn.
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Pick a month to see the average temperature, rainfall and sunshine in Penrhyn - and find the best time to visit.
44-year average (1976-2025)
Based on our historical records, temperatures in Penrhyn typically stay consistent throughout June, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 27°C (81°F).
Browse day-by-day weather records for Penrhyn spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on weather observations in Penrhyn between 2006 and 2026, these are the recorded extremes during June.
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 June →
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 weather calls for comfortable, breathable clothing in June. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. 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
See the full Penrhyn climate overview or explore weather in the Cook Islands.
Where to go in June - average daytime high across popular destinations.
Penrhyn
29°C (84°F) Aitutaki27°C (81°F) Arutanga27°C (81°F) Muri26°C (79°F) Avarua26°C (79°F) Arorangi26°C (79°F) Rarotonga26°C (79°F) Ngatangiia26°C (79°F) Need travel inspiration? Check out our bucket list articles and be inspired.
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