Alofi
Niue
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Alofi, Niue

The stunning view of the Hikutavake Reef in Alofi, Niue, from a bird
The stunning view of the Hikutavake Reef in Alofi, Niue, from a bird's eye view
May, the last month of the autumn, in Alofi, is also a moderately hot month, with average temperature ranging between max 27°C (80.6°F) and min 21°C (69.8°F).

Temperature

In May, the average high-temperature is essentially the same as in April - a still moderately hot 27°C (80.6°F). In May, in Alofi, the average low-temperature is 21°C (69.8°F).

Rainfall

In Alofi, during 9 rainfall days, 195mm (7.7") of precipitation is typically accumulated. In Alofi, during the entire year, the rain falls for 115 days and collects up to 2171mm (85.5") of precipitation.

Sea temperature

In Alofi, the average water temperature is 27°C (80.6°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In May, the average length of the day in Alofi is 11.2h.

Sunshine

In May, the average sunshine is 9h.

UV index

The average daily maximum UV index in May is 8. A UV Index of 8 to 10 symbolizes a very high threat to health from unsafe exposure to the UV radiation for average individuals.
The daily maximum UV index of 8 interpret into the following advice:
Take extra precautions. Fair-skinned individuals may get burned in less than 10 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in May in Alofi?

In Alofi, Niue, in May, the average high-temperature is 27°C (80.6°F), and the average low-temperature is 21°C (69.8°F).

How much does it rain in Alofi in May?

In May, in Alofi, Niue, the rain falls for 9 days. Throughout May, 195mm (7.7") of precipitation is accumulated.

How warm is the water in May in Alofi?

In May, the average sea temperature in Alofi is 27°C (80.6°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

What is the average length of the day in May in Alofi?

The average length of the day in May in Alofi, Niue, is 11.2h.

How many hours of sunshine does Alofi have in May?

In May, the average sunshine is 9h.

What is the UV index reading in May in Alofi?

In May, the average daily maximum UV index in Alofi is 8. A UV Index estimate of 8 to 10 represents a very high health vulnerability from unprotected exposure to the UV radiation.
Average temperature in May - Alofi, Niue
  • Average high temperature in May: 27°C

Warmest months (with the highest average high temperature) are January, February and March (29°C).
Months with the lowest average high temperature are July and August (25°C).

  • Average low temperature in May: 21°C

Months with the highest average low temperature are January, February and March (23°C).
Coldest months (with the lowest average low temperature) are July, August and September (20°C).

Average rainfall in May - Alofi, Niue
  • Average rainfall in May: 195mm

The wettest month (with the highest rainfall) is March (322mm).
The driest month (with the lowest rainfall) is July (87mm).

Average rainfall days in May - Alofi, Niue
  • Average rainfall days in May: 9 days

Months with the highest number of rainy days are January and March (18 days).
The month with the lowest number of rainy days is August (3 days).

Average sea temperature in May - Alofi, Niue
  • Average sea temperature in May: 27°C

Best months for swimming (with the highest average sea temperature) are January, February, March and April (28°C).
Coldest months (with the lowest average sea temperature) are July, August, September and October (25°C).

Average daylight in May / Average sunshine in May - Alofi, Niue
  • Average daylight in May: 11.2h

The month with the longest days is December (Average daylight: 13.3h).
The month with shortest days is June (Average daylight: 11h).

  • Average sunshine in May: 9h

Months with most sunshine are January and March (Average sunshine: 18h).
The month with least sunshine is August (Average sunshine: 3h).

Average UV index in May - Alofi, Niue
  • Average UV index in May: 8

Months with the highest UV index are January, February, March, October, November and December (UV index 12).
The month with the lowest UV index is June (UV index 6).