Cook Islands weather live forecast

Today's maximum temperature in the Cook Islands is expected to be 28°C. Select a day from the live weather forecast for the Cook Islands (Avarua) for more weather parameters.

Saturday
20th Dec
28

24

7

11
Sunday
21st Dec
27

24

6

11
Monday
22nd Dec
26

24

1

6
Tuesday
23rd Dec
27

23

2

7
Wednesday
24th Dec
27

24

9

11

5-day weather forecast updated at 04:01 on Sunday 21st December 2025 GMT

More about the Cook Islands

Cook Islands by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for the Cook Islands

The 5-day weather forecast for Cook Islands (Avarua) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Top Cook Islands destinations

Below are temperatures expected today at popular countries, regions and places in the Cook Islands. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

All Cook Islands destinations

Cook Islands weather forecast by day

Below are the detailed weather forecasts for the Cook Islands for the next 5 days. The forecasts shown are for Avarua and may not represent the whole of the Cook Islands. Browse more destinations in Cook Islands to view more weather forecasts.

Cook Islands weather for Saturday 20th December 2025

Expect sunshine and showers in Cook Islands with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 11+ (Extreme) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected and a moderate breeze of 21 kph from the south-east.

28
°C maximum temperature
24
°C minimum temperature
sunshine and showers
7
hours of sunshine
11
UV index (Extreme)
<5
mm of rainfall expected
L
low heat & humidity
21
kph wind from SE

Cook Islands weather for Sunday 21st December 2025

Expect broken clouds in Cook Islands with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-east.

27
°C maximum temperature
24
°C minimum temperature
broken clouds
6
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
L
low heat & humidity
16
kph wind from SE

Cook Islands weather for Monday 22nd December 2025

Expect mostly cloudy with rain in Cook Islands with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 6 (High) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 74% chance of some rain and a gentle breeze of 13 kph from the east.

26
°C maximum temperature
24
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
6
UV index (High)
74
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
13
kph wind from E

Cook Islands weather for Tuesday 23rd December 2025

Expect mostly cloudy with light rain in Cook Islands with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 19% chance of some rain and a gentle breeze of 14 kph from the south.

27
°C maximum temperature
23
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
7
UV index (High)
19
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
14
kph wind from S

Cook Islands weather for Wednesday 24th December 2025

Expect scattered clouds in Cook Islands with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 11+ (Extreme) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-east.