April weather forecast
Cook Islands

April in the Cook Islands marks a further progression in the shift from the wet to the dry season. Average temperatures during this month range from 22°C (71.6°F) to 28°C (82.4°F), a slightly cooler spectrum compared to the preceding months. Humidity levels also start to decrease, offering more comfortable conditions for visitors and residents alike.

While the southern group of islands, including Rarotonga and Mangaia, still receive relatively higher rainfall, the amounts begin to lessen during April. Average rainfall typically falls below 200mm (7.87"), indicating a clear reduction from the peak of the wet season. The northern islands, such as Manihiki and Penrhyn, continue to experience lower rainfall levels, following the established geographical trend.

The cyclone risk in April is significantly reduced, with the South Pacific cyclone season generally considered to end in March. Nevertheless, it remains important to monitor local weather updates as isolated weather events can occasionally occur.

Comparing April to the previous month of March, there is a noticeable decrease in average temperatures and rainfall. Looking forward to May, these trends continue, with further reductions in rainfall and a continued decrease in temperature. April therefore represents a distinct transitional period, moving the Cook Islands towards their cooler and drier season.

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• Roto - April »
  In Roto in April, during 24.2 rainfall days, 129mm (5.08") of precipitation is typically accumulated. On the first day of April in Roto sunrise is at 07:07 and sunset at 19:06.
• Tauhunu - April »
  January through June, October through December, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater in Tauhunu, Cook Islands. In Tauhunu in April, it is raining for 25.7 days, with typically 121mm (4.76") of accumulated precipitation.
• Mapumai - April »
  In Mapumai during April, the rain falls for 20.8 days and regularly aggregates up to 85mm (3.35") of precipitation. On the first day of April in Mapumai, sunrise is at 06:39 and sunset at 18:32.
• Avarua District - April »
  In Avarua District, in April, during 13 rainfall days, 231mm (9.09") of precipitation is typically accumulated. In Avarua District, in April, it is raining for 13 days, with typically 231mm (9.09") of accumulated precipitation.
• Arutanga - April »
  January through April, with an average sea temperature of 28°C (82.4°F), are months with the warmest seawater in Arutanga, Cook Islands. January through April, with an average sea temperature of 28°C (82.4°F), are months with the warmest seawater in Arutanga.
• Omoka Village - April »
  January through April, September through December, with an average maximum UV index of 12, are months with the highest UV index in Omoka Village. In Omoka Village in April, it is raining for 13 days, with typically 180mm (7.09") of accumulated precipitation.
• Mangarei Village - April »
  February through April, with an average sea temperature of 28°C (82.4°F), are months with the warmest seawater in Mangarei Village. In Mangarei Village, in April, the average water temperature is 28°C (82.4°F).
• Oneroa Village - April »
  In Oneroa Village in April, it is raining for 14 days, with typically 225mm (8.86") of accumulated precipitation. During April, the average low-temperature in Oneroa Village is a pleasant 22°C (71.6°F).
• Tautu - April »
  In Tautu during April, the rain falls for 23 days and regularly aggregates up to 115mm (4.53") of precipitation. The average relative humidity in April in Tautu is 77%.
• Nukuao - April »
  In Nukuao in April, during 20.8 rainfall days, 85mm (3.35") of precipitation is typically accumulated. Nukuao records an average high-temperature of a still warm 27.3°C (81.1°F) in April, closely mirroring the climate of the previous month.
• Ngatiarua - April »
  As Ngatiarua transitions into April, there are slight decreases in temperature and rainfall, providing a break from March's intense weather patterns. On the first day of April in Ngatiarua, sunrise is at 06:39 and sunset at 18:32.
• Karanga Village - April »
  The months with the lowest UV index in Karanga Village, Cook Islands, are April, June through October, with an average maximum UV index of 6. April, June through October, with an average maximum UV index of 6, are months with the lowest UV index in Karanga Village, Cook Islands.