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

January weather forecast and climate
Arutanga, Cook Islands

January is a hot summer month in Arutanga, Cook Islands, with average temperature varying between 30°C (86°F) and 24°C (75.2°F).

Temperature

The warmest months are January through March, with an average high-temperature of 30°C (86°F).

Rainfall

January is the month with the most rainfall in Arutanga. Rain falls for 17 days and accumulates 251mm (9.9") of precipitation.

Sea temperature

January through April, with an average sea temperature of 28°C (82.4°F), are months with the warmest seawater in Arutanga.
Note: 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.

Daylight

In Arutanga, Cook Islands, the average length of the day in January is 13.1h.

Sunshine

January and March, with an average of 17h of sunshine, are months with the most sunshine.

UV index

January through March, October through December, with an average maximum UV index of 12, are months with the highest UV index in Arutanga. A UV Index value of 11, and more, symbolizes an extreme threat to health from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 12 interpret into the following advice:
Take all necessary precautions, as unprotected skin can burn in minutes. 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. 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. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What are the warmest months in Arutanga?

Warmest months are January through March, with an average high-temperature of 30°C (86°F).

What is the temperature in January in Arutanga?

In Arutanga, in January, the average high-temperature is 30°C (86°F), and the average low-temperature is 24°C (75.2°F).

How many days does it rain in January in Arutanga?

In January, the rain falls for 17 days. Throughout January, 251mm (9.9") of precipitation is accumulated.

What is the rainiest month in Arutanga?

The month with the most rainfall is January when the rain falls for 17 days and typically aggregates up to 251mm (9.9") of precipitation.

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

Months with the warmest seawater are January through April, with an average sea temperature of 28°C (82.4°F).

What is the water temperature in January in Arutanga?

In January, the average sea temperature in Arutanga is 28°C (82.4°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 Arutanga have in January?

The average length of the day in January is 13.1h.

What is the month with the most sunshine in Arutanga?

Months with the most sunshine are January and March, with an average of 17h of sunshine.

How long on average sun shines in January in Arutanga?

In Arutanga, Cook Islands, the average sunshine in January is 17h.

What is the month with the highest UV index in Arutanga?

Months with the highest UV index are January through March, October through December, with an average maximum UV index of 12.

What is the UV index reading in January in Arutanga?

In January, the average daily maximum UV index is 12. A UV Index value of 11, and more, symbolizes an extreme health vulnerability from unprotected exposure to the UV radiation.
Average temperature in January - Arutanga, Cook Islands
  • Average high temperature in January: 30°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 January: 24°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 January - Arutanga, Cook Islands
  • Average rainfall in January: 251mm

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

Average rainfall days in January - Arutanga, Cook Islands
  • Average rainfall days in January: 17 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 January - Arutanga, Cook Islands
  • Average sea temperature in January: 28°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 January / Average sunshine in January - Arutanga, Cook Islands
  • Average daylight in January: 13.1h

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 January: 17h

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 January - Arutanga, Cook Islands
  • Average UV index in January: 12

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).