Cook Islands Climate Guides

The Cook Islands Climate Guide is perfect for planning your holiday. Monthly weather averages give the best indication of what the weather is usually like for every month of the year including figures for temperature, rainfall and sunshine.

Cook Islands Weather Cook Islands Summary Cook Islands Climate Cook Islands Today Cook Islands Forecast Cook Islands When Best
Cook Islands Weather Cook Islands Summary Cook Islands Climate Cook Islands Today Cook Islands Forecast Cook Islands When Best
J F M A M J J A S O N D
Max Daytime Temperature (°C) 29°C (84°F) Max Daytime Temperature in January in Cook Islands (Avarua) 29°C (84°F) Max Daytime Temperature in February in Cook Islands (Avarua) 29°C (84°F) Max Daytime Temperature in March in Cook Islands (Avarua) 28°C (82°F) Max Daytime Temperature in April in Cook Islands (Avarua) 27°C (81°F) Max Daytime Temperature in May in Cook Islands (Avarua) 26°C (79°F) Max Daytime Temperature in June in Cook Islands (Avarua) 25°C (77°F) Max Daytime Temperature in July in Cook Islands (Avarua) 25°C (77°F) Max Daytime Temperature in August in Cook Islands (Avarua) 26°C (79°F) Max Daytime Temperature in September in Cook Islands (Avarua) 26°C (79°F) Max Daytime Temperature in October in Cook Islands (Avarua) 27°C (81°F) Max Daytime Temperature in November in Cook Islands (Avarua) 28°C (82°F) Max Daytime Temperature in December in Cook Islands (Avarua)
Min Night-time Temperature (°C) 23°C (73°F) Min Night-time Temperature in January in Cook Islands (Avarua) 23°C (73°F) Min Night-time Temperature in February in Cook Islands (Avarua) 23°C (73°F) Min Night-time Temperature in March in Cook Islands (Avarua) 22°C (72°F) Min Night-time Temperature in April in Cook Islands (Avarua) 21°C (70°F) Min Night-time Temperature in May in Cook Islands (Avarua) 20°C (68°F) Min Night-time Temperature in June in Cook Islands (Avarua) 19°C (66°F) Min Night-time Temperature in July in Cook Islands (Avarua) 19°C (66°F) Min Night-time Temperature in August in Cook Islands (Avarua) 19°C (66°F) Min Night-time Temperature in September in Cook Islands (Avarua) 20°C (68°F) Min Night-time Temperature in October in Cook Islands (Avarua) 21°C (70°F) Min Night-time Temperature in November in Cook Islands (Avarua) 22°C (72°F) Min Night-time Temperature in December in Cook Islands (Avarua)
Hours of Sunshine (Daily) No data available for Hours of Sunshine (Daily)
Hours of Daylight (Daily) 13 Hours of Daylight in January in Cook Islands (Avarua) 13 Hours of Daylight in February in Cook Islands (Avarua) 12 Hours of Daylight in March in Cook Islands (Avarua) 12 Hours of Daylight in April in Cook Islands (Avarua) 11 Hours of Daylight in May in Cook Islands (Avarua) 11 Hours of Daylight in June in Cook Islands (Avarua) 11 Hours of Daylight in July in Cook Islands (Avarua) 11 Hours of Daylight in August in Cook Islands (Avarua) 12 Hours of Daylight in September in Cook Islands (Avarua) 13 Hours of Daylight in October in Cook Islands (Avarua) 13 Hours of Daylight in November in Cook Islands (Avarua) 13 Hours of Daylight in December in Cook Islands (Avarua)
Heat and Humidity Discomfort Moderate Heat & Humidity in January in Cook Islands (Avarua) High Heat & Humidity in February in Cook Islands (Avarua) High Heat & Humidity in March in Cook Islands (Avarua) Moderate Heat & Humidity in April in Cook Islands (Avarua) Moderate Heat & Humidity in May in Cook Islands (Avarua) Moderate Heat & Humidity in June in Cook Islands (Avarua) Low Heat & Humidity in July in Cook Islands (Avarua) Low Heat & Humidity in August in Cook Islands (Avarua) Low Heat & Humidity in September in Cook Islands (Avarua) Moderate Heat & Humidity in October in Cook Islands (Avarua) Moderate Heat & Humidity in November in Cook Islands (Avarua) Moderate Heat & Humidity in December in Cook Islands (Avarua)
Days with some Rainfall 17 Days with some Rainfall in January in Cook Islands (Avarua) 17 Days with some Rainfall in February in Cook Islands (Avarua) 17 Days with some Rainfall in March in Cook Islands (Avarua) 13 Days with some Rainfall in April in Cook Islands (Avarua) 9 Days with some Rainfall in May in Cook Islands (Avarua) 6 Days with some Rainfall in June in Cook Islands (Avarua) 5 Days with some Rainfall in July in Cook Islands (Avarua) 3 Days with some Rainfall in August in Cook Islands (Avarua) 5 Days with some Rainfall in September in Cook Islands (Avarua) 5 Days with some Rainfall in October in Cook Islands (Avarua) 6 Days with some Rainfall in November in Cook Islands (Avarua) 11 Days with some Rainfall in December in Cook Islands (Avarua)
Monthly Rainfall (mm) 260 mm (10.2 inches) Monthly Rainfall in January in Cook Islands (Avarua) 235 mm (9.3 inches) Monthly Rainfall in February in Cook Islands (Avarua) 196 mm (7.7 inches) Monthly Rainfall in March in Cook Islands (Avarua) 226 mm (8.9 inches) Monthly Rainfall in April in Cook Islands (Avarua) 202 mm (8.0 inches) Monthly Rainfall in May in Cook Islands (Avarua) 130 mm (5.1 inches) Monthly Rainfall in June in Cook Islands (Avarua) 113 mm (4.4 inches) Monthly Rainfall in July in Cook Islands (Avarua) 131 mm (5.2 inches) Monthly Rainfall in August in Cook Islands (Avarua) 126 mm (5.0 inches) Monthly Rainfall in September in Cook Islands (Avarua) 118 mm (4.6 inches) Monthly Rainfall in October in Cook Islands (Avarua) 161 mm (6.3 inches) Monthly Rainfall in November in Cook Islands (Avarua) 221 mm (8.7 inches) Monthly Rainfall in December in Cook Islands (Avarua)
Chance of Ground Frost No Chance of Ground Frost in January in Cook Islands (Avarua) No Chance of Ground Frost in February in Cook Islands (Avarua) No Chance of Ground Frost in March in Cook Islands (Avarua) No Chance of Ground Frost in April in Cook Islands (Avarua) No Chance of Ground Frost in May in Cook Islands (Avarua) No Chance of Ground Frost in June in Cook Islands (Avarua) No Chance of Ground Frost in July in Cook Islands (Avarua) No Chance of Ground Frost in August in Cook Islands (Avarua) No Chance of Ground Frost in September in Cook Islands (Avarua) No Chance of Ground Frost in October in Cook Islands (Avarua) No Chance of Ground Frost in November in Cook Islands (Avarua) No Chance of Ground Frost in December in Cook Islands (Avarua)
UV Index (Maximum) UV (Maximum) Index 11+ (Extreme) in January in Cook Islands (Avarua) UV (Maximum) Index 11+ (Extreme) in February in Cook Islands (Avarua) UV (Maximum) Index 11+ (Extreme) in March in Cook Islands (Avarua) UV (Maximum) Index 10 (Very High) in April in Cook Islands (Avarua) UV (Maximum) Index 7 (High) in May in Cook Islands (Avarua) UV (Maximum) Index 6 (High) in June in Cook Islands (Avarua) UV (Maximum) Index 6 (High) in July in Cook Islands (Avarua) UV (Maximum) Index 8 (Very High) in August in Cook Islands (Avarua) UV (Maximum) Index 10 (Very High) in September in Cook Islands (Avarua) UV (Maximum) Index 11+ (Extreme) in October in Cook Islands (Avarua) UV (Maximum) Index 11+ (Extreme) in November in Cook Islands (Avarua) UV (Maximum) Index 11+ (Extreme) in December in Cook Islands (Avarua)
Sea Temperature (°C) 27°C (81°F) Sea Temperature in January in Cook Islands (Avarua) 27°C (81°F) Sea Temperature in February in Cook Islands (Avarua) 27°C (81°F) Sea Temperature in March in Cook Islands (Avarua) 27°C (81°F) Sea Temperature in April in Cook Islands (Avarua) 26°C (79°F) Sea Temperature in May in Cook Islands (Avarua) 25°C (77°F) Sea Temperature in June in Cook Islands (Avarua) 24°C (75°F) Sea Temperature in July in Cook Islands (Avarua) 24°C (75°F) Sea Temperature in August in Cook Islands (Avarua) 24°C (75°F) Sea Temperature in September in Cook Islands (Avarua) 24°C (75°F) Sea Temperature in October in Cook Islands (Avarua) 25°C (77°F) Sea Temperature in November in Cook Islands (Avarua) 26°C (79°F) Sea Temperature in December in Cook Islands (Avarua)
J F M A M J J A S O N D
Cook Islands Holidays Cook Islands Flights Cook Islands Hotels Cook Islands Hire Cars Cook Islands Villas Cook Islands Transfers
Cook Islands Holidays Cook Islands Flights Cook Islands Hotels Cook Islands Hire Cars Cook Islands Villas Cook Islands Transfers

The Cook Islands Climate Guide shown above is based on the Avarua Climate Guide. Please note that the weather may vary across this region. Below is a list of all the destinations in Cook Islands with available Climate Guides.

  Aitutaki   Avarua   Mangaia   Manihiki   Mitiaro   Penrhyn  

The Cook Islands are part of Polynesia, lying almost exactly in the centre of the South Pacific between Tonga and French Polynesia. The indigenous people are Maoris known for their vibrant culture and energetic dances. The 15 islands form a northern and southern group separated by over 800 kilometres (500 miles) of ocean.

The northern group of islands are coral atolls, which are mostly flat and low lying. Because of human occupation none of the original native vegetation of the islands remains. Today coconut palms and pandanus trees grow along the picture-perfect sandy beaches, graced by scenic lagoons.

The southern island group is volcanic in origin. The largest island is Rarotonga, whose rugged mountainous interior is covered in lush jungle, cleared in parts for citrus groves to thrive on the fertile soils. Near the south coast is the stunning Wigmore's Waterfall, while the capital Avarua lies on the north shore.

Coastal resorts have been developed to take advantage of the picturesque sandy beaches, however the most beautiful beaches and lagoons are found on Aitutaki 250 kms (160 miles) to the north.

Coral reefs surround almost all of the islands, creating a sheltered haven of turquoise water, teeming with tropical marine life and bathed in warm water all year.

The climate is warm tropical and wet. Rainfall is likely in all months, becoming heaviest from January to March and more isolated in the sunnier drier season. Daytime temperatures are warm throughout the year, falling to comfortable at night in the drier months.

Tropical Cyclones are possible between December and March but are rare.

Cook Islands Weather by Month
Check the weather for a particular month in the Cook Islands by selecting a month from the list below. Alternatively check which month usually has the Best Weather in the Cook Islands. If you are not sure where to go, why not try our Holiday Planner.
  · January
  · February
  · March
   · April
  · May
  · June
   · July
  · August
  · September
   · October
  · November
  · December
Popular Climate Guide Regions

1.

Thailand

2.

Maldives

3.

Barbados

4.

Dominican Republic

5.

Cancun and Riviera Maya, Mexico

6.

Cuba

7.

Sri Lanka

8.

Antigua

9.

Goa, India

10.

Jamaica
Popular Climate Guide Destinations

1.

Cape Town, South Africa

2.

Mombasa, Kenya

3.

Sydney, New South Wales, Australia

4.

Bangkok, Thailand

5.

Male, Maldives

6.

Bridgetown, Barbados

7.

Santo Domingo, Dominican Republic

8.

Cancun, Cancun and Riviera Maya, Mexico

9.

Havana, Cuba

10.

Colombo, Sri Lanka