Arutanga
Cook Islands
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Arutanga, Cook Islands

The last month of the winter, August, is another warm month in Arutanga, Cook Islands, with average temperature varying between 21°C (69.8°F) and 27°C (80.6°F).
The ideal sea water temperature of 26°C (78.8°F) and only 3 rainfall days, with 99mm (3.9") of accumulated rainfall, make August the best time for swimming and other water activities.

Temperature

July and August, with an average high-temperature of 27°C (80.6°F), are the coldest months.

Rainfall

In Arutanga, during August, the rain falls for 3 days and regularly aggregates up to 99mm (3.9") of precipitation. Throughout the year, in Arutanga, there are 114 rainfall days, and 1984mm (78.1") of precipitation is accumulated.

Sea temperature

July through October, with an average sea temperature of 26°C (78.8°F), are months with the coldest seawater in Arutanga.
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

In Arutanga, the average length of the day in August is 11.5h.

Sunshine

August has the least sunshine of the year in Arutanga, with an average of 3h of sunshine.

UV index

In Arutanga, the average daily maximum UV index is 9. A UV Index reading of 8 to 10 represents a very high health vulnerability from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 9 in August transform into the following instructions:
Take special precautions, as unprotected skin can be damaged and can burn quickly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What are the coldest months in Arutanga?

The coldest months in Arutanga, Cook Islands, are July and August, with an average high-temperature of 27°C (80.6°F).

What is the temperature in August in Arutanga?

In Arutanga, Cook Islands, in August, the average high-temperature is 27°C (80.6°F), and the average low-temperature is 21°C (69.8°F).

How much does it rain in Arutanga in August?

In Arutanga, Cook Islands, during August, the rain falls for 3 days and regularly aggregates up to 99mm (3.9") of precipitation.

What are the months with the coldest sea water in Arutanga?

Through and October, with an average sea temperature of 26°C (78.8°F).

How warm is the water in August in Arutanga?

In Arutanga, Cook Islands, in August, the average water temperature is 26°C (78.8°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Arutanga have in August?

In Arutanga, the average length of the day in August is 11.5h.

What is the month with the least sunshine in Arutanga?

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

How many hours of sunshine does Arutanga have in August?

The average sunshine in August in Arutanga is 3h.

What is the UV index intensity in August in Arutanga?

In Arutanga, Cook Islands, the average daily maximum UV index in August is 9. A UV Index value of 8 to 10 symbolizes a very high health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in August - Arutanga, Cook Islands
  • Average high temperature in August: 27°C

Warmest months (with the highest average high temperature) are January, February and March (30°C).
Months with the lowest average high temperature are July and August (27°C).

  • Average low temperature in August: 21°C

Months with the highest average low temperature are January, February and March (24°C).
Coldest months (with the lowest average low temperature) are July, August and September (21°C).

Average rainfall in August - Arutanga, Cook Islands
  • Average rainfall in August: 99mm

The wettest month (with the highest rainfall) is January (251mm).
The driest month (with the lowest rainfall) is July (81mm).

Average rainfall days in August - Arutanga, Cook Islands
  • Average rainfall days in August: 3 days

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

Average sea temperature in August - Arutanga, Cook Islands
  • Average sea temperature in August: 26°C

Best months for swimming (with the highest average sea temperature) are January, February, March and April (28°C).
Coldest months (with the lowest average sea temperature) are July, August, September and October (26°C).

Average daylight in August / Average sunshine in August - Arutanga, Cook Islands
  • Average daylight in August: 11.5h

The month with the longest days is December (Average daylight: 13.3h).
The month with shortest days is June (Average daylight: 11h).

  • Average sunshine in August: 3h

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

Average UV index in August - Arutanga, Cook Islands
  • Average UV index in August: 9

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