Climate · Avarua

Avarua in January

Warm and wet, as the days shorten.

Typical weather, averaged over 30 years

January in Avarua is warm, around 78°F through the day and night. Rain falls on about five days a week, and the days shorten by 13 minutes from the first week to the last.January in Avarua is warm, around 26°C through the day and night. Rain falls on about five days a week, and the days shorten by 13 minutes from the first week to the last.

Typical
78°F26°Caverage
Wet days
5a week · 68% of days
Daylight
13h 16mon average

Is January a good time to visit Avarua?


A good month, just outside Avarua's best months, which run from June to September.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How January sits in the year

week by week

Temperature

Around 78°F in January, against 73°F to 79°F through the year.Around 26°C in January, against 23°C to 26°C through the year.

Chance of a wet day

68% of days in January, against 29% to 73% through the year.

Cloud cover

76% cover in January, against 49% to 76% through the year.

Daylight

13h 16m in January, against 10h 52m to 13h 24m through the year.

Week by week, lightly smoothed, with January shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side


  1. December77°25°4 wet days a weekRain on about four days a week.
  2. January78°26°5 wet days a weekRain on about five days a week.
  3. February79°26°5 wet days a weekRain on about five days a week.

Where Avarua sits, in January

Pacific/Rarotonga

this place
typical high in January 40°F4°C95°F35°C
Sunrise, mid-January
6:09 AMsets 7:26 PM
Above the sea
0 mlow-lying
Latitude
21.2°Ssouthern hemisphere
Nearest of ours
Aitutaki264 km north

The land around Avarua, shaded by its typical high in January, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Cook Islands in January

typical · wet days

Typical weather, averaged over 30 years (1995–2024). Avarua sits on a grid square that is mostly sea, where the data hold only a daily average, so the page shows one typical temperature, not a high and a low. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.