May weather forecast
Avarua District, Cook Islands

May ushers in lower temperatures ranging from 21°C (69.8°F) to 27°C (80.6°F) in Avarua. A significant reduction in rainfall to 205mm (8.07") also features, thus fewer days of wet weather. Less radiance from the sun marks the onset of shorter summer days. The decreasing UV index indicates reduced intensity of sunlight exposure. Visitors and residents can enjoy a slightly moderate weather during this month.

Temperature

Avarua District's shift from April to May is accompanied by an average high-temperature of a still moderately hot 27°C (80.6°F), a slight deviation from 28°C (82.4°F). The average temperature drops to an agreeable 21°C (69.8°F) during the night in the month of May.

Rainfall

In Avarua District, Cook Islands, during May, the rain falls for 9 days and regularly aggregates up to 205mm (8.07") of precipitation. Throughout the year, in Avarua District, Cook Islands, there are 114 rainfall days, and 2190mm (86.22") of precipitation is accumulated.

Sea temperature

In May, the average sea temperature is 25.9°C (78.6°F).
Note: Water activities including swimming and diving at temperatures from 25°C (77°F) to 29°C (84.2°F) are deemed very pleasurable and enjoyable for extended periods, devoid of discomfort.

Daylight

In Avarua District, the average length of the day in May is 11h and 6min.
On the first day of the month, sunrise is at 06:56 and sunset at 18:15. On the last day of May, in Avarua District, sunrise is at 07:09 and sunset at 18:04 -10.

Sunshine

In Avarua District, Cook Islands, the average sunshine in May is 9h.

UV index

The average daily maximum UV index in May in Avarua District is 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In May, the maximum UV index of 7 suggests this advice:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be vigilant! The Sun's UV rays get a boost from sand and water reflections.