Weather in May in Cook Islands

Many people wonder what the weather conditions are in May in Cook Islands. Is this month a good time to go to Cook Islands? To answer that question we created this page with all the information you need.

What is the weather like in Cook Islands in May?

The weather in Cook Islands in May ranges from unpleasant to tolerable depending on the destination.

May has maximum daytime temperatures ranging from warm in Rarotonga with 26°C (79°F) to very warm temperatures in Pukapuka with 31°C (88°F). Nighttime temperatures generally drop to 24°C (75°F) in Pukapuka and 21°C (70°F) in Rarotonga. It is a very warm month in some areas, so be prepared and make sure to dress lightly.

Precipitation ranges from high in Penrhyn with 147mm (5.8inch) rainfall to heavy in Rarotonga with 198mm (7.8inch) rainfall. In general it is also a moderate sunny month with an average of 165 hours of sunshine in Arutanga during the whole month.

Where to go in Cook Islands in May

Find the average weather conditions in May for the most popular destinations in Cook Islands on the map below. Click on a destination dot for more detailed information.

Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inch a month).

Popular destinations in Cook Islands

What is the weather like in May for the 2 most popular destinations in Cook Islands?

Average weather in Arutanga

In May Arutanga generally has warm temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 22°C (72°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

Arutanga
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   April April
<<  
29°C / 84°F 
23°C / 73°F 
166 hours 
214mm / 8.4inch 
12 days 
28°C / 82°F 
22°C / 72°F 
165 hours 
188mm / 7.4inch 
11 days 
June   >> June
>>  
27°C / 81°F 
22°C / 72°F 
179 hours 
91mm / 3.6inch 
8 days 
Climate in Arutanga

Average weather in Avarua

In May Avarua generally has warm temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 21°C (70°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

Avarua
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   April April
<<  
28°C / 83°F 
23°C / 73°F 
174 hours 
248mm / 9.8inch 
17 days 
26°C / 79°F 
21°C / 70°F 
162 hours 
198mm / 7.8inch 
16 days 
June   >> June
>>  
25°C / 77°F 
20°C / 68°F 
165 hours 
112mm / 4.4inch 
13 days 
Climate in Avarua

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

Is May the best time to go to Cook Islands?

In our opinion May is a good time to visit Cook Islands with commonly tolerable weather in Arutanga.

On average the best time to visit Cook Islands is in June, July, August and September with generally perfect weather in Arutanga. The worst months are January, February, March, April and December that can have unpleasant weather conditions.

Interested in more climate information?

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

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  • Weather and climate has detailed information for almost all countries in the world. Are you going to Cook Islands? Get detailed historical weather averages for many cities in Cook Islands.

    Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.