Penrhyn Weather in May
Thinking of visiting Penrhyn in May? Expect high temperatures reaching 30°C (86°F) during the day, dropping to 27°C (81°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Penrhyn in May
Expect around 13 days of rain based on historical data, with 134 mm (5.3 in) average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Penrhyn in May
Penrhyn in May gets highs of 30°C (86°F) during the day and drops to 27°C (81°F) at night. This kind of day-to-night contrast is typical for this time of year. Nights remain warm at around 27°C (81°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 May
The area enjoys a balanced 183 hours of sunlight, ensuring it's neither too overcast nor too sunny.If you prefer dry days with pleasant temperatures, May may not be the ideal month to visit Penrhyn. Our weather planner can help you explore destinations with more pleasant weather conditions.
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 May
Min Temperature
27°C (81°F)
Max Temperature
30°C (86°F)
Chance of Rain
44%
Precipitation
134 mm (5.3 in)
Rainy days
13 days
Humidity
83%
Sunshine
183 hours
Percentage Sunshine
Daily Historical Temperatures
43-year average (1976-2025)
Based on our historical records, temperatures in Penrhyn typically stay consistent throughout May, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 27°C (81°F).
Average temperatures in May
Historical weather for Penrhyn in May
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 May
The extremes listed below come from historical weather data collected in Penrhyn from 2006 through 2026.
- The hottest May day on record in Penrhyn reached 34°C (93°F) (May 18, 2015).
- The coldest May day was on May 27, 2006, with a maximum of 27°C (81°F).
- The coldest night in May in Penrhyn was on May 20, 2017, with a minimum of 19°C (66°F).
- The heaviest May precipitation occurred on May 23, 2022, when 90 mm (3.5 in) of precipitation fell.
Best Places in the Cook Islands in May
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 May →
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What to Wear in Penrhyn in May
Warm temperatures in May make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Penrhyn in May
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.
