Rarotonga

Cook Islands Weather in June

Average temperatures, rainfall, sunshine and the best places to visit in the Cook Islands in June.

Considering a trip to the Cook Islands this June and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in the Cook Islands in June

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

Temperatures

The average maximum temperatures are warm and range from 26°C (79°F) in Arorangi to 29°C (84°F) in Penrhyn. Nighttime temperatures generally drop to 26°C (79°F) in Penrhyn and 23°C (73°F) in Arorangi.

To learn more about the conditions in specific areas of the Cook Islands, check out the map below.

Precipitation

In June, precipitation varies across different areas. From moderate rainfall in Arutanga with an average of 67 mm (2.6 in) to high rainfall in Pukapuka with 159 mm (6.3 in). In Rarotonga, this particular month consistently records the lowest levels of rainfall, making it the driest period throughout the entire year.

Average sunshine

Sunshine is fairly consistent across many areas. Rarotonga receives about 165 hours of sunlight in June, providing a good balance between sunny spells and cloud cover. If you're after more sunshine hours, take a look at our weather planner for other sun-rich destinations worldwide.

Explore the Cook Islands by month

Pick a month to see the average temperature, rainfall and sunshine in the Cook Islands — and find the best time to visit. (based on Rarotonga)

Best Places to Visit in the Cook Islands in June

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across the Cook Islands.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in the Cook Islands

What is the weather like in June for some of the most popular destinations in the Cook Islands?

Temperature range in the Cook Islands (June)

Precipitation variation in the Cook Islands (June)

Rarotonga

In June Rarotonga generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 23°C (73°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

May
June
July
Max temperature
27°C (81°F)
26°C (79°F)
25°C (77°F)
Min temperature
24°C (75°F)
23°C (73°F)
22°C (72°F)
Monthly sun hours
162 hours
165 hours
178 hours
Monthly rainfall
136 mm (5.4 in)
75 mm (3 in)
104 mm (4.1 in)
Monthly rainy days
12 days
11 days
13 days
Weather conditions

Arutanga

In June Arutanga generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 24°C (75°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

May
June
July
Max temperature
28°C (82°F)
27°C (81°F)
26°C (79°F)
Min temperature
25°C (77°F)
24°C (75°F)
24°C (75°F)
Monthly sun hours
165 hours
179 hours
187 hours
Monthly rainfall
177 mm (7 in)
67 mm (2.6 in)
82 mm (3.2 in)
Monthly rainy days
12 days
12 days
13 days
Weather conditions

Arorangi

In June Arorangi generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 23°C (73°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

May
June
July
Max temperature
27°C (81°F)
26°C (79°F)
25°C (77°F)
Min temperature
24°C (75°F)
23°C (73°F)
22°C (72°F)
Monthly sun hours
162 hours
165 hours
178 hours
Monthly rainfall
135 mm (5.3 in)
75 mm (3 in)
104 mm (4.1 in)
Monthly rainy days
12 days
11 days
13 days
Weather conditions

Avarua

In June Avarua generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 23°C (73°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

May
June
July
Max temperature
27°C (81°F)
26°C (79°F)
25°C (77°F)
Min temperature
24°C (75°F)
23°C (73°F)
22°C (72°F)
Monthly sun hours
162 hours
165 hours
178 hours
Monthly rainfall
137 mm (5.4 in)
75 mm (3 in)
104 mm (4.1 in)
Monthly rainy days
12 days
11 days
13 days
Weather conditions

Ngatangiia

In June Ngatangiia generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 23°C (73°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

May
June
July
Max temperature
27°C (81°F)
26°C (79°F)
25°C (77°F)
Min temperature
24°C (75°F)
23°C (73°F)
22°C (72°F)
Monthly sun hours
162 hours
165 hours
178 hours
Monthly rainfall
137 mm (5.4 in)
75 mm (3 in)
105 mm (4.1 in)
Monthly rainy days
12 days
11 days
13 days
Weather conditions

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

In our records: the Cook Islands June extremes

Notable June records observed across cities in the Cook Islands in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest June day in the Cook Islands reached 49°C (120°F) in Rakahanga on June 21, 2011.

Popular cities in June

Day & night temperatures, rainfall and average weather in the Cook Islands in June.

City Weather Day temp Night temp Rainfall
Rarotonga 26°C (79°F) 23°C (73°F) 75 mm (3 in)
Arutanga 27°C (81°F) 24°C (75°F) 67 mm (2.6 in)
Arorangi 26°C (79°F) 23°C (73°F) 75 mm (3 in)
Rakahanga 29°C (84°F) 26°C (79°F) 131 mm (5.2 in)
Pukapuka 29°C (84°F) 27°C (81°F) 159 mm (6.3 in)
Penrhyn 29°C (84°F) 26°C (79°F) 119 mm (4.7 in)

The Cook Islands weather in June: frequently asked questions

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

June in the Cook Islands brings perfect weather. In Rarotonga, daytime temperatures are typically around 26°C (79°F) and nighttime lows hover near 23°C (73°F).

What is the average temperature in the Cook Islands in June?

In Rarotonga, the average daytime high in June is 26°C (79°F), while nighttime temperatures drop to around 23°C (73°F).

Does the Cook Islands get a lot of rain in June?

Rain is generally moderate to light in the Cook Islands during June, with Rarotonga averaging close to 75 mm (3 in).

Is June a Good Time to Visit the Cook Islands?

We consider June to be one of the best times to travel to the Cook Islands. Typically, the climate in Rarotonga is perfect.

Generally speaking, the best visiting conditions can be found in June, August, September and October offering mostly 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.

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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.