Daytime highs, nighttime lows and the warmest cities across the Cook Islands this May.
The Cook Islands, experiences high average maximum daytime temperatures in May, ranging from 27°C (81°F) in Rarotonga to 30°C (86°F) in Penrhyn. Nighttime temperatures generally drop to 27°C (81°F) in Penrhyn and 24°C (75°F) in Rarotonga.
To get a sense of May's typical temperatures in the key spots of the Cook Islands, explore the map below. Click on a point for an in-depth look.
Check the conditions for any month of the year.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across the Cook Islands.
Marker color shows the average daytime high temperature in May: blue is cold, red is hot.
Drill down to May weather for any region in the Cook Islands.
Pick a city to see its May weather averages.
Expect daytime temperatures around 27°C (81°F) in Rarotonga. That makes May a high month for the Cook Islands.
After dark, Rarotonga cools to about 24°C (75°F) on an average May night.
Based on our systematic data collection, Penrhyn has been identified as the city with the highest average temperatures. The daytime temperature usually hovers around 30°C (86°F), while at night it goes down to an approximate temperature of 27°C (81°F).
For the month of May, Rarotonga is the most temperate city in the Cook Islands based on our records. Highs average 27°C (81°F) and nighttime temperatures dip to around 24°C (75°F).
Most areas experience a moderate amount of sunshine, with approximately 162 hours of sunlight expected in Rarotonga. This makes it neither too gloomy nor overly bright.
We have much more information about the climate in the Cook Islands.
Weather and climate has detailed information for every country in the world. Are you going to the Cook Islands? Get detailed historical weather averages for many cities in the Cook Islands.
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