May weather forecast
Tauhunu, Cook Islands

May marks another phase of the year in Tauhunu, where rainfall drops to 118mm (4.65"), displaying a continued drying trend. Concurrent with decreased rainfall, less cloud cover and thereby more sunshine become defining features of May. Sea temperatures remain constant, a testament to the region's firm tropical classification. The month also sees a rise in wind speeds, providing relief from the traditional warmth. In essence, May is characterized by a clear decline in rainfall and an increase in sunshine hours.

Temperature

During May, Tauhunu observes a subtle ascent to a still warm 29°C (84.2°F) from April's 29.1°C (84.4°F) in the average high-temperature. Tauhunu's temperature during May nights registers a minor decrease to an average low of 27.8°C (82°F).

Heat index

Throughout May, the heat index is estimated at a hot 34°C (93.2°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', integrates the air's temperature and its humidity to showcase the felt temperature by people. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold great significance to children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

The months with the highest humidity in Tauhunu are February through October, with an average relative humidity of 76%.

Rainfall

In May, the rain falls for 25.1 days. Throughout May, 118mm (4.65") of precipitation is accumulated. In Tauhunu, during the entire year, the rain falls for 280.1 days and collects up to 1598mm (62.91") of precipitation.

Sea temperature

The months with the warmest seawater are January through June, October through December, with an average sea temperature of 29°C (84.2°F).
Note: For swimming, diving, or other water activities, temperatures from 25°C (77°F) to 29°C (84.2°F) provide the most enjoyable experience for extended periods without discomfort.

Daylight

The average length of the day in May in Tauhunu is 11h and 38min.
On the first day of the month, sunrise is at 06:49 and sunset at 18:33. On the last day of May, in Tauhunu, sunrise is at 06:55 and sunset at 18:28 -10.

Sunshine

The months with the most sunshine in Tauhunu, Cook Islands, are May, September and October, with an average of 8.3h of sunshine.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Tauhunu. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 7 in May translates into this advice:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be alert! The reflection of water and sand augments UV radiation intensity.