Penrhyn Weather in October
Penrhyn in October sees high temperatures, with highs around 29°C (84°F) and overnight lows of 26°C (79°F). Rainfall is fairly high at around 117 mm (4.6 in) on average, so pack waterproofs just in case.
Rainfall in Penrhyn in October
Historically, October sees about 12 days of rain, with a monthly average of 117 mm (4.6 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Penrhyn in October
In October, Penrhyn sees high temperatures, with highs of 29°C (84°F). Nights drop to around 26°C (79°F). This kind of day-to-night contrast is typical for this time of year. Nights remain warm at around 26°C (79°F). For a more comfortable sleep, a cold shower before bed and a fan or air conditioning can make a big difference.
Sunshine in Penrhyn in October
Expect a lot of sunshine this month, with about 192 hours of sun. These sunny conditions add to the overall experience.For Penrhyn itself, September generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the Cook Islands, check out our Penrhyn's climate page.
Penrhyn Temperature in October
Min Temperature
26°C (79°F)
Max Temperature
29°C (84°F)
Chance of Rain
38%
Precipitation
117 mm (4.6 in)
Rainy days
12 days
Humidity
81%
Sunshine
192 hours
Percentage Sunshine
Daily Historical Temperatures
45-year average (1976-2025)
Based on our historical records, temperatures in Penrhyn typically stay consistent throughout October, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in October
Historical weather for Penrhyn in October
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.
Penrhyn historical weather extremes in October
Based on 19 years of weather observations in Penrhyn between 2006 and 2025, these are the recorded extremes.
- On October 12, 2024, temperatures climbed to 37°C (99°F), marking the warmest October day on record.
- Penrhyn experienced its chilliest October day on October 4, 2017, reaching only 26°C (79°F).
- The lowest overnight temperature recorded in October was 20°C (68°F) (October 24, 2021).
- The heaviest October precipitation occurred on October 19, 2012, when 72 mm (2.8 in) of precipitation fell.
Best Places in the Cook Islands in October
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 →
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What to Wear in Penrhyn in October
Warm weather calls for comfortable, breathable clothing in October. 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Penrhyn in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the Cook Islands, check out our Penrhyn's climate page.
Temperature Rainfall Sunshine Humidity
See the full Penrhyn climate overview or explore weather in the Cook Islands.
