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Weather in May in The Cook Islands

Are you planning a trip a to the Cook Islands in May and wondering what kind of weather to expect? This page has all the details you need.

What is the weather like in the Cook Islands in May?

May in the Cook Islands generally has warm temperatures, with precipitation levels ranging from high to heavy.

Temperatures

The average maximum temperatures are warm and range from 27°C in Rarotonga to 30°C in Penrhyn. Nighttime temperatures generally drop to 27°C in Penrhyn and 24°C in Rarotonga.

Precipitation

In May, precipitation varies across different areas. From high rainfall in Penrhyn with an average of 134 mm to heavy rainfall in Arutanga with 177 mm.

Average sunshine

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.

To learn more about the conditions in specific areas of the Cook Islands in May, check out the map below. For more details on the yearly weather, visit our the Cook Islands climate page.

Where to go in the Cook Islands in May

Find more information for the most popular destinations in the the Cook Islands on the map below. Click on a destination dot for more detailes.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in May for the 5 most popular destinations in the Cook Islands?

Rarotonga

In May Rarotonga generally has high temperatures with maximum daytime temperatures around 27°C, minimum nighttime temperatures around 24°C and high monthly rainfall. So on average the conditions are pleasant that month.

Rarotonga
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
28°C 
25°C 
174 hours 
164 mm 
12 days 
27°C 
24°C 
162 hours 
136 mm 
12 days 
June   >> June
>>  
26°C 
23°C 
165 hours 
75 mm 
11 days 
Climate in Rarotonga

Arutanga

In May Arutanga generally has high temperatures with maximum daytime temperatures around 28°C, minimum nighttime temperatures around 25°C and heavy monthly rainfall. So on average the conditions are pleasant that month.

Arutanga
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
29°C 
26°C 
166 hours 
196 mm 
12 days 
28°C 
25°C 
165 hours 
177 mm 
12 days 
June   >> June
>>  
27°C 
24°C 
179 hours 
67 mm 
12 days 
Climate in Arutanga

Arorangi

In May Arorangi generally has high temperatures with maximum daytime temperatures around 27°C, minimum nighttime temperatures around 24°C and high monthly rainfall. So on average the conditions are pleasant that month.

Arorangi
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
28°C 
25°C 
174 hours 
164 mm 
12 days 
27°C 
24°C 
162 hours 
135 mm 
12 days 
June   >> June
>>  
26°C 
23°C 
165 hours 
75 mm 
11 days 
Climate in Arorangi

Avarua

In May Avarua generally has high temperatures with maximum daytime temperatures around 27°C, minimum nighttime temperatures around 24°C and high monthly rainfall. So on average the conditions are pleasant that month.

Avarua
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
28°C 
25°C 
174 hours 
165 mm 
12 days 
27°C 
24°C 
162 hours 
137 mm 
12 days 
June   >> June
>>  
26°C 
23°C 
165 hours 
75 mm 
11 days 
Climate in Avarua

Muri

In May Muri generally has high temperatures with maximum daytime temperatures around 27°C, minimum nighttime temperatures around 24°C and high monthly rainfall. So on average the conditions are pleasant that month.

Muri
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
28°C 
25°C 
174 hours 
166 mm 
12 days 
27°C 
24°C 
162 hours 
137 mm 
12 days 
June   >> June
>>  
26°C 
23°C 
165 hours 
75 mm 
11 days 
Climate in Muri

Is your destination not in the list? Have a look at other destinations in the Cook Islands.

Is May the best time to visit the Cook Islands?

In our opinion, May is a good time to visit the Cook Islands with overall pleasant weather in Rarotonga.

On average, the best time to visit the Cook Islands is in June, August, September and October with generally perfect weather in Rarotonga. On the other hand, the months of January, February and December tend to have unpleasant weather conditions.

Interested in more climate information?

We have much more information about the climate in the Cook Islands. Interested in the weather conditions in a specific month? Select the month below.

  • January      
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  • May      
  • June      
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  • September      
  • October      
  • November      
  • December      
  • 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.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.