- Check out latest hotel deals worldwide with Booking.com
- Find trending hotels, popular destinations & more
- Search for specific destinations & dates or by hotel type
Best time to visit the Cook Islands
Find the best time to visit the Cook Islands and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.
- Best time to visit
- Weather by month
- 5-day weather forecast
- Destinations
- Travel guide
- Deals & discounts
Cook Islands by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for the Cook Islands
Top Cook Islands destinations
Below are the temperatures expected today at popular countries, regions and places in the Cook Islands. Select a destination to compare today's forecast with average weather conditions.
All Cook Islands destinations
When is the best time to visit Cook Islands?
The best time to visit Cook Islands (Avarua) is January, April, May, June, July, August, September, October, November and December based on the following average weather conditions.
Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]
Change the criteria to reflect your weather preferences.
Max Day Temperature (°C)
- Jan
28
- Feb
29
- Mar
29
- Apr
28
- May
27
- Jun
26
- Jul
25
- Aug
25
- Sep
26
- Oct
26
- Nov
27
- Dec
28
Best time to visit
The weather guide for Cook Islands (Avarua) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
Cook Islands weather overview
Mountainous Raratonga is the best known of the Cook Islands which are a group of six large and nine smaller Polynesian islands which share a tropical climate, strongly influenced by the seas which surround them. Rain occurs throughout the year but is heaviest between November and April when occasional storms and cyclones can hit.
Temperatures and humidity are high all year but May to October are cooler months and even very hot, sticky days are tempered by sea breezes which create a pleasant and healthy climate.
What to pack for Cook Islands weather
Take light clothing whatever the time of year, supplemented by wraps for cooler evenings. Always go prepared for rain.
More about the Cook Islands
Explore our complete guide to the Cook Islands with the latest travel advice for travellers and holidaymakers including official updates and local travel tips for the Cook Islands.
Cook Islands travel guide - essential info
Below is a beginner's guide to the Cook Islands with essential travel facts such as dominant language spoken, typical flight time from the UK and the local currency. You can also check whether visas are required and what plug adapter you need to pack.
Cook Islands - quick facts | |
---|---|
Time difference | UK -10 hours |
Language(s) | English, Maori |
Currency | Cook Islands Dollar, New Zealand Dollar |
Electricity | I plug (240V) |
Driving side | Left |
Why visit the Cook Islands?
Considering a holiday to the the Cook Islands? Here are some of the very good reasons it makes such a wonderful holiday destination such as for its beaches to ensure you get the most out of your 2025/2026 escape.
- Beaches
Cook Islands tourist information
Cook Islands travel guidance
Check the latest travel guidance and advice on visiting the Cook Islands from official government sources (in english) from around the world including entry requirements and travel restrictions.
- UK traveller advice for the Cook Islands - UK FCDO
- Irish traveller advice for the Cook Islands - Department of Foreign Affairs, Ireland
- Canadian travel advice for the Cook Islands - Government of Canada
- Safe travel advisories for the Cook Islands - Ministry of Foreign Affairs, New Zealand
- Smarter traveller advice for the Cook Islands - Department of Foreign Affairs, Australia
Learn more about the current safety and security risks from terrorism, natural disasters and more. Read about the local laws and customs to consider when travelling around the Cook Islands.
Note: UK FCDO - UK Foreign, Commonwealth & Development Office
Cook Islands travel health
Find out more about staying safe when travelling to the Cook Islands with the latest guidance on required vaccinations and recommended medication to take with you.
- Vaccines & medicines for the Cook Islands - CDC
- Health & vaccinations for the Cook Islands - TravelHealthPro, NaTHNac
- How to stay safe & healthy in the Cook Islands - Fit for Travel, Public Health Scotland
Check out the general travel tips for staying safe and healthy in the Cook Islands, risks of preventable diseases and what to pack.
Note: CDC - Centers for Disease Control and Prevention
Cook Islands travel features
Do you want to learn more about the Cook Islands? Read our latest features covering travel tips and insider destination guides on where to go and what to do in the Cook Islands.
We don't currently have any travel features on the Cook Islands. Discover more about holiday destinations around the world with this selection of general travel articles.
Cook Islands FAQs
Read our frequently asked questions about travelling to the Cook Islands including the current entry restrictions, driving side, electrical plugs used and much more.
Which month has the most rain in the Cook Islands?
In terms of rainfall, January is usually the wettest month in Avarua, Cook Islands with 0mm on average. There are normally no days in January with some rain.
When is it sunniest in the Cook Islands?
The sunniest time of year in Avarua, Cook Islands is normally January with bright sunshine on average for 0% of daylight hours; that's 0 hours of sunshine per day.
When is the sea warmest in the Cook Islands?
The sea is usually at its warmest in Avarua, Cook Islands in January when the water temperature reaches 0°C.
What is the time difference between the Cook Islands and the UK?
The time difference between the Cook Islands and the UK is UK time-10 hours.
What is the main language spoken in the Cook Islands?
The main languages spoken in the Cook Islands are English and Maori.
Learn a language for the Cook Islands with Rosetta Stone*, Busuu* and Rocket Languages*.
What is the currency in the Cook Islands?
The currency in the Cook Islands is the Cook Islands Dollar (CKD) and the New Zealand Dollar (NZD).
Which plugs are used in the Cook Islands?
Cook Islands uses electrical plug type I (240 Volts).
Which side of the road do they drive on in the Cook Islands?
They drive on the left side of the road in the Cook Islands.
Cook Islands travel deals
Holidays to the Cook Islands
Check out the latest deals, discount codes and special offers on holidays to the Cook Islands in 2025/2026. Pay low deposits and save with last minute holiday availability and free kids places.
- Book flexible holiday accommodation in Europe
- Cancellation period varies by property & travel dates
- Book villas, cottages, apartments, houses & cabins
- Check out holiday rentals for £100 per night or less
- Browse property locations by map or enter travel dates
- Filter deals by free cancellation, cleanliness & more
Be inspired
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Related posts
Popular travel offers
Explore holidays in the sun for less
- Beach holidays
- Family holidays
- City breaks
- Summer holidays
- Winter sun holidays
- Holiday offers
- Top travel brands
- Airlines & flights
- Discount hotels
- Airport parking deals
- TUI
- Jet2holidays
- easyJet holidays
- Love Holidays
- January sales
Airport parking
- Manchester Airport
- Stansted Airport
- Bristol Airport
- Luton Airport
- Birmingham Airport
- Edinburgh Airport
- Gatwick Airport
- Glasgow Airport
- Newcastle Airport
Airport lounges
- Manchester Airport
- Birmingham Airport
- Bristol Airport
- Edinburgh Airport
- Glasgow Airport
- Heathrow Airport
- Newcastle Airport
- Stansted Airport
- Gatwick Airport