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

October 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
October, the same as September, is a moderately hot spring month in Avarua District, Cook Islands, with average temperature varying between 26°C (78.8°F) and 20°C (68°F).
The ideal sea water temperature of 25.3°C (77.5°F) and only 5 rainfall days, with 121mm (4.8") of accumulated rainfall, make October the best time for swimming and other water activities.

Temperature

In Avarua District, the average high-temperature remains the same as in September - a still warm 26°C (78.8°F). In October, in Avarua District, the average low-temperature is 20°C (68°F).

Rainfall

In Avarua District, during October, the rain falls for 5 days and regularly aggregates up to 121mm (4.8") of precipitation. In Avarua District, during the entire year, the rain falls for 114 days and collects up to 2190mm (86.2") of precipitation.

Sea temperature

In October, the average sea temperature is 25.3°C (77.5°F).
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 Avarua District, Cook Islands, the average length of the day is 12.6h.

Sunshine

The average sunshine in Avarua District is 5h.

UV index

Months with the highest UV index in Avarua District are January through March, October through December, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an extreme threat to health from unsafe exposure to the UV radiation for the ordinary person.
Note: The average daily UV index of 12 in October transform into the following instructions:
Take all necessary precautions, as unprotected skin can burn in minutes. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in October in Avarua District?

The average high-temperature, in October, in Avarua District, Cook Islands, is 26°C (78.8°F), while the average low-temperature is 20°C (68°F).

How much does it rain in Avarua District in October?

In Avarua District, Cook Islands, in October, during 5 rainfall days, 121mm (4.8") of precipitation is typically accumulated.

How warm is the water in October in Avarua District?

In Avarua District, Cook Islands, in October, the average water temperature is 25.3°C (77.5°F). 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.

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

In Avarua District, Cook Islands, the average length of the day in October is 12.6h.

How long on average sun shines in October in Avarua District?

In October, the average sunshine in Avarua District, Cook Islands, is 5h.

What are the months with the highest UV index in Avarua District?

January through March, October through December, with an average maximum UV index of 12, are months with the highest UV index in Avarua District.

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

In October, the average daily maximum UV index in Avarua District, Cook Islands, is 12. A UV Index reading of 11, and higher, represents an extreme health vulnerability from the exposure to the Sun's UV rays.
Average temperature in October - Avarua District, Cook Islands
  • Average high temperature in October: 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 October: 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 October - Avarua District, Cook Islands
  • Average rainfall in October: 121mm

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

Average rainfall days in October - Avarua District, Cook Islands
  • Average rainfall days in October: 5 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 October - Avarua District, Cook Islands
  • Average sea temperature in October: 25.3°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 October / Average sunshine in October - Avarua District, Cook Islands
  • Average daylight in October: 12.6h

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 October: 5h

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 October - Avarua District, Cook Islands
  • Average UV index in October: 12

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).