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

August 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
August, the last month of the winter, in Avarua District, is also a moderately hot month, with temperature in the range of an average low of 19°C (66.2°F) and an average high of 25°C (77°F).

Temperature

July and August, with an average high-temperature of 25°C (77°F), are the coldest months.

Rainfall

In Avarua District, Cook Islands, during August, the rain falls for 3 days and regularly aggregates up to 152mm (6") of precipitation. Throughout the year, in Avarua District, there are 114 rainfall days, and 2190mm (86.2") of precipitation is accumulated.

Sea temperature

Months with the coldest seawater in Avarua District, Cook Islands, are August and September, with an average sea temperature of 24.5°C (76.1°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 24.5°C (76.1°F).

Daylight

In Avarua District, the average length of the day is 11.4h.

Sunshine

The month with the least sunshine is August, with an average of 3h of sunshine.

UV index

In Avarua District, the average daily maximum UV index is 8. A UV Index of 8 to 10 symbolizes a very high threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
The average daily UV index of 8 transform into the following instructions:
Take special precautions, as unprotected skin can be damaged and can burn quickly. 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the coldest month in Avarua District?

The coldest months are July and August, with an average high-temperature of 25°C (77°F).

What is the temperature in August in Avarua District?

In Avarua District, Cook Islands, in August, the average high-temperature is 25°C (77°F), and the average low-temperature is 19°C (66.2°F).

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

In Avarua District, Cook Islands, during August, the rain falls for 3 days and regularly aggregates up to 152mm (6") of precipitation.

What are the months with the coldest sea water in Avarua District?

August and September, with an average sea temperature of 24.5°C (76.1°F), are months with the coldest seawater. 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 24.5°C (76.1°F).

What is the water temperature in August in Avarua District?

In Avarua District, in August, the average water temperature is 24.5°C (76.1°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 24.5°C (76.1°F).

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

In August, the average length of the day is 11.4h.

What is the month with the least sunshine in Avarua District?

With an average of 3h of sunshine, August has the least sunshine of the year.

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

In August, the average sunshine in Avarua District is 3h.

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

In Avarua District, Cook Islands, the average daily maximum UV index in August is 8. A UV Index of 8 to 10 symbolizes a very high health risk from the exposure to the Sun's UV radiation.
Average temperature in August - Avarua District, Cook Islands
  • Average high temperature in August: 25°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 August: 19°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 August - Avarua District, Cook Islands
  • Average rainfall in August: 152mm

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

Average rainfall days in August - Avarua District, Cook Islands
  • Average rainfall days in August: 3 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 August - Avarua District, Cook Islands
  • Average sea temperature in August: 24.5°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 August / Average sunshine in August - Avarua District, Cook Islands
  • Average daylight in August: 11.4h

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 August: 3h

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 August - Avarua District, Cook Islands
  • Average UV index in August: 8

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).