Avarua District
Cook Islands
Long-term weather forecast
Long-term weather forecast

June weather forecast and climate
Avarua District, Cook Islands

Aerial view of the coastal Avarua District in the Cook Islands, with clear calm waters and mountains
Aerial view of the coastal Avarua District in the Cook Islands, with clear calm waters and mountains
June, the first month of the winter, in Avarua District, is also a moderately hot month, with average temperature fluctuating between 20°C (68°F) and 26°C (78.8°F).

Temperature

In June, the average high-temperature is practically the same as in May - a still warm 26°C (78.8°F). In June, the average low-temperature is 20°C (68°F).

Rainfall

In Avarua District, during 6 rainfall days, 120mm (4.7") of precipitation is typically accumulated. In Avarua District, Cook Islands, during the entire year, the rain falls for 114 days and collects up to 2190mm (86.2") of precipitation.

Sea temperature

In June, the average sea temperature is 24.9°C (76.8°F). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 24.9°C (76.8°F) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 25°C (77°F) to 28°C (82.4°F).)

Daylight

June has the shortest days of the year in Avarua District, Cook Islands, with an average of 10.9h of daylight.

Sunshine

The average sunshine in June is 6h.

UV index

June and July, with an average maximum UV index of 6, are months with the lowest UV index in Avarua District, Cook Islands. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to the UV radiation for ordinary individuals.
In June, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in June in Avarua District?

In June, in Avarua District, Cook Islands, the average high-temperature is 26°C (78.8°F), and the average low-temperature is 20°C (68°F).

How many days does it rain in June in Avarua District?

In Avarua District, Cook Islands, during June, the rain falls for 6 days and regularly aggregates up to 120mm (4.7") of precipitation.

How warm is the water in June in Avarua District?

In Avarua District, the average seawater temperature in June is 24.9°C (76.8°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 24.9°C (76.8°F).

What is the month with the shortest days in Avarua District?

With an average of 10.9h of daylight, June has the shortest days of the year in Avarua District.

How many hours of daylight does Avarua District have in June?

In June, the average length of the day in Avarua District is 10.9h.

How many hours of sunshine does Avarua District have in June?

In June, the average sunshine in Avarua District is 6h.

When is the lowest UV index in Avarua District?

June and July, with an average maximum UV index of 6, are months with the lowest UV index in Avarua District.

How high is the UV index in June in Avarua District?

In Avarua District, the average daily maximum UV index in June is 6. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to the Sun's UV rays.
Average temperature in June - Avarua District, Cook Islands
  • Average high temperature in June: 26°C

Warmest months (with the highest average high temperature) are February and March (29°C).
Months with the lowest average high temperature are July and August (25°C).

  • Average low temperature in June: 20°C

Months with the highest average low temperature are January, February and March (23°C).
Coldest months (with the lowest average low temperature) are July, August and September (19°C).

Average rainfall in June - Avarua District, Cook Islands
  • Average rainfall in June: 120mm

The wettest month (with the highest rainfall) is January (267mm).
The driest month (with the lowest rainfall) is July (102mm).

Average rainfall days in June - Avarua District, Cook Islands
  • Average rainfall days in June: 6 days

Months with the highest number of rainy days are January, February and March (17 days).
The month with the lowest number of rainy days is August (3 days).

Average sea temperature in June - Avarua District, Cook Islands
  • Average sea temperature in June: 24.9°C

The best month for swimming (with the highest average sea temperature) is February (27.8°C).
Coldest months (with the lowest average sea temperature) are August and September (24.5°C).

Average daylight in June / Average sunshine in June - Avarua District, Cook Islands
  • Average daylight in June: 10.9h

The month with the longest days is December (Average daylight: 13.4h).
The month with shortest days is June (Average daylight: 10.9h).

  • Average sunshine in June: 6h

Months with most sunshine are January, February and March (Average sunshine: 17h).
The month with least sunshine is August (Average sunshine: 3h).

Average UV index in June - Avarua District, Cook Islands
  • Average UV index in June: 6

Months with the highest UV index are January, February, March, October, November and December (UV index 12).
Months with the lowest UV index are June and July (UV index 6).