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Cook Islands weather in May 2025
Expect 27°C daytime maximum temperatures in the shade with on average -9999 hours of sunshine per day in Cook Islands in May. Check more long-term weather averages for Cook Islands in May before you book your next holiday to Cook Islands in 2025/2026.
- 2727°C max day temperature
- 99 days with some rainfall
- 2121°C min night temperature
- 1111 hours of daylight per day
- MModerate heat & humidity
- 205205 mm of monthly rainfall
- 77 (High) UV index
- 2626°C sea temperature
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Recommended for the Cook Islands
The May weather guide for Cook Islands (Avarua) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Top Cook Islands destinations
Below are average maximum temperatures at popular countries, regions and places in the Cook Islands in May. Select a holiday destination to see more weather parameters.
All Cook Islands destinations
Metric (°C / mm) | Imperial (°F / inches)
How hot is it in the Cook Islands in May?
Daytime temperatures usually reach 27°C in Avarua, Cook Islands in May with moderate heat and humidity, falling to 21°C at night.
How warm is the sea around the Cook Islands in May?
The average sea temperature around Avarua, Cook Islands in May is 26°C.
Does it rain in the Cook Islands in May?
There are usually 9 days with some rain in Avarua, Cook Islands in May and the average monthly rainfall is 205mm.
Cook Islands May sunrise & sunset times
Browse the sunrise and sunset times for Cook Islands in May 2025. Select a month to view Cook Islands sunrise and sunset times for the next 12 months. The Cook Islands sunrise and sunset times shown below are for Avarua.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Thursday, 1st May 2025 | 06:57 | 18:15 |
Friday, 16th May 2025 | 07:03 | 18:08 |
Saturday, 31st May 2025 | 07:09 | 18:05 |
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