January weather forecast
Oneroa Village, Cook Islands

Weather in January

January, like December, in Oneroa Village, Cook Islands, is another warm summer month, with an average temperature ranging between min 23°C (73.4°F) and max 29°C (84.2°F).

Temperature

January through March, with an average high-temperature of 29°C (84.2°F), are the warmest months.

Rainfall

January is the month with the most rainfall. Rain falls for 17 days and accumulates 236mm (9.29") of precipitation.

Sea temperature

In Oneroa Village, the average seawater temperature in January is 27°C (80.6°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 January, the average length of the day is 13h and 17min.
On the first day of the month, sunrise is at 05:52 and sunset at 19:18. On the last day of January, in Oneroa Village, sunrise is at 06:12 and sunset at 19:17 -10.

Sunshine

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

UV index

The months with the highest UV index in Oneroa Village are January through March, October through December, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an extreme health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 12 in January 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. A wide-brim hat offers excellent sun protection for the 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. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the warmest month in Oneroa Village?

January through March, with an average high-temperature of 29°C (84.2°F), are warmest months in Oneroa Village, Cook Islands.

What is the wettest month in Oneroa Village?

The month with the most rainfall is January, when the rain falls for 17 days and typically aggregates up to 236mm (9.29") of precipitation.

How many days does it rain in January in Oneroa Village?

In Oneroa Village, Cook Islands, in January, during 17 rainfall days, 236mm (9.29") of precipitation is typically accumulated.

What is the sea water temperature in January in Oneroa Village?

In Oneroa Village, Cook Islands, in January, the average water temperature is 27°C (80.6°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Oneroa Village have in January?

In Oneroa Village, Cook Islands, the average day length in January is 13h and 17min.

What time are sunrise and sunset in January in Oneroa Village?

On the first day of January, sunrise is at 05:52 and sunset at 19:18. On the last day of the month, sunrise is at 06:12 and sunset at 19:17 -10.

What is the month with the most sunshine in Oneroa Village?

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

How many hours of sunshine does Oneroa Village have in January?

The average sunshine duration in January is 17h.

When is the highest UV index in Oneroa Village?

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

How high is the UV index in January in Oneroa Village?

In Oneroa Village, the average daily maximum UV index in January is 12. A UV Index estimate of 11, and higher, represents an excessive health risk from exposure to the Sun's UV radiation.
Average rainfall days
Average sunshine
Average UV index

Average temperature in January
Oneroa Village, Cook Islands

Average temperature in January - Oneroa Village, Cook Islands
  • Average high temperature in January: 29°C

The warmest months (with the highest average high temperature) are January, February and March (29°C).
The months with the lowest average high temperature are July and August (25°C).

  • Average low temperature in January: 23°C

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

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Average rainfall in January
Oneroa Village, Cook Islands

Average rainfall in January - Oneroa Village, Cook Islands
  • Average rainfall in January: 236mm

The wettest month (with the highest rainfall) is January (236mm).
The driest months (with the least rainfall) are July and September (102mm).

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Average rainfall days in January
Oneroa Village, Cook Islands

Average rainfall days in January - Oneroa Village, Cook Islands
  • Average rainfall days in January: 17 days

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

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Average sea temperature in January
Oneroa Village, Cook Islands

Average sea temperature in January - Oneroa Village, Cook Islands
  • Average sea temperature in January: 27°C

The best month for swimming (with the highest average sea temperature) is March (28°C).
The coldest months (with the lowest average sea temperature) are July, August, September and October (24°C).

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Average daylight in January /
Average sunshine in January
Oneroa Village, Cook Islands

Average daylight in January / Average sunshine in January - Oneroa Village, Cook Islands
  • Average daylight in January: 13h and 17min

The month with the longest days is December (Average daylight: 13h and 27min).
The month with the shortest days is June (Average daylight: 10h and 49min).

  • Average sunshine in January: 17h

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

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Average UV index in January
Oneroa Village, Cook Islands

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

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

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