Arutanga
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Arutanga Weather in January

January in Arutanga typically sees daytime highs of 29°C (84°F) and nighttime lows of 26°C (79°F). As the wettest month of the year, expect more rainfall than other months.

Rainfall in Arutanga in January

As part of the rainy season, Arutanga sees around 13 days of rain in January, with an average of 268 mm (11 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours, often in the late afternoon.

Temperature in Arutanga in January

Daytime highs in Arutanga in January reach 29°C (84°F), with nights around 26°C (79°F). This kind of day-to-night contrast is typical for this time of year. With lows around 26°C (79°F), the nights are warm enough that a sheet is usually all you need for bedding.

Sunshine in Arutanga in January

The area enjoys a balanced 186 hours of sunlight, ensuring it's neither too rainy nor too sunny.

Wind Speed in Arutanga in January

Average wind conditions reach 5 m/s (10 knots) in January. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

January in Arutanga has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.

Arutanga Temperature in January

Min Temperature
26°C (79°F)
Max Temperature
29°C (84°F)
Chance of Rain
44%
Precipitation
268 mm (11 in)
Rainy days
13 days
Windspeed
5 m/s (10 knots) *
Sunshine
186 hours *
Percentage Sunshine
*
* Data from: Aitutaki, the Cook Islands (3 KM, 2 Miles).

Arutanga Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Arutanga - and find the best time to visit.

Daily Historical Temperatures

44-year average (1976-2026)

Based on our historical records, temperatures in Arutanga typically stay consistent throughout January, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 25°C (77°F).

Average temperatures in January

Historical weather records for Arutanga in January

Browse day-by-day weather records for Arutanga spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Arutanga historical weather extremes in January

Our historical data for Arutanga spans 2006 to 2025, revealing these weather extremes.

  • The warmest day in January was on January 19, 2009, with a maximum of 31°C (88°F).
  • The coldest January day was on January 14, 2023, with a maximum of 25°C (77°F).
  • Nighttime temperatures dropped to 21°C (70°F) on January 16, 2025, marking the coldest January night on record.
  • The wettest January day on record brought 102 mm (4 in) of precipitation to Arutanga (January 22, 2009).

Best Places in the Cook Islands in January

Find out more about the weather in the Cook Islands and which places have the best travel conditions in this month. See all of the Cook Islands in January →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Arutanga in January

Warm but pleasant conditions in Arutanga in January. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Arutanga in January

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    7/10
  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    7/10
  • Outdoor sports
    7/10

Arutanga 3-Day Forecast

More climate data for Arutanga

Popular in January

Where to go in January - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.