Cook Islands
23 to 27°C
2869 hours
sunshine per day
931 mm
163 days
202 days
0 days

Climate of Cook Islands

Cook Islands has a tropical rainforest climate. It is usually (very) warm, humid and rainy all year round. The average annual temperature for Cook Islands is 25° degrees and there is about 931 mm of rain in a year. It is dry for 99 days a year with an average humidity of 77% and an UV-index of 7.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 23°C and 27°C
  • Night:the average nighttime temperature is between 22°C and 27°C
  • Rain: it rains 202 days and there is a total of approximately 931 mm rainfall
  • Sun hours: throughout the year there are 2869 sun hours
Maximum temperature: between 23°C and 27°C
Warmest month: 27°C in January
Coldest month: 23°C in August
Night temperature: between 22°C and 27°C
Dry days: 163 days
Days with rain: 202 days
Days with snow: 0 days
Total rain sum: 931 mm
Hours of sunshine: 2869 hours

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Cook Islands.

Precipitation graph

This graph shows the average amount of rainfall per month for Cook Islands.

Climate table of Cook Islands

In this climate table you can see at a glance what the average weather per month is for Cook Islands. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Cook Islands might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 27 27 27 27 26 25 24 23 24 24 25 26
Night temp. (°C) 26 26 27 26 25 24 23 22 23 23 24 25
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 148 101 147 77 67 38 25 37 32 47 59 153
Days with rain 23 21 23 19 16 12 12 10 14 17 14 21
Dry days 8 7 8 11 15 18 19 21 16 14 16 10
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 7 8 8 8 8 8 8 7 8 8 9 9
Wind force (Bft) 4 4 4 4 4 4 4 4 4 4 4 4
UV-index 7 7 7 7 7 6 6 6 6 6 6 7

Best time to visit Cook Islands

To go to Cook Islands, the best time to visit is April through November. In this period you have a warm temperature and little precipitation. In Cook Islands, January is the warmest month with 27°C and the most cold month is 23°C in August.

Climate of Cook Islands by month

What is the average climate in a given month for Cook Islands? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

Cook Islands weather experiences

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