May weather forecast
Alofi, Niue

englishespañol中文
Share
The stunning view of the Hikutavake Reef in Alofi, Niue
The stunning view of the Hikutavake Reef in Alofi, Niue

Weather in May

Arriving in May, Alofi witnesses the full onset of the cooler season with lower temperatures and significantly reduced rainfall. Cloud cover increases compared with the preceding month. The sunshine hours notably decrease with an average of only 5.3 hours of sunshine per day. By this time, the sea temperature matches the air temperature, setting the stage for a balanced climate. The city enjoys a balance between warm and cool weather conditions through the month.

Temperature

The advent of May brings an average high-temperature of a still moderately hot 26.6°C (79.9°F), almost identical to the preceding month. An average temperature of 25.5°C (77.9°F) is logged during the nights of May in Alofi, a small step down from daytime highs.

Humidity

In Alofi, Niue, the average relative humidity in May is 78%.

Rainfall

In Alofi, Niue, in May, it is raining for 18.7 days, with typically 90mm (3.54") of accumulated precipitation. In Alofi, during the entire year, the rain falls for 229.1 days and collects up to 1209mm (47.6") of precipitation.

Sea temperature

In Alofi, in May, the average water temperature is 27°C (80.6°F).
Note: Engaging in water activities, such as swimming or diving, in temperatures from 25°C (77°F) to 29°C (84.2°F) is very pleasurable for extended periods, without any discomfort.

Daylight

In May, the average length of the day is 11h and 13min.
On the first day of May, sunrise is at 06:34 and sunset at 17:58. On the last day of the month, sunrise is at 06:45 and sunset at 17:49 -11.

Sunshine

In May, the average sunshine is 5.3h.

UV index

The months with the highest UV index are January through May, November and December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.
Note: A maximum UV index of 7 in May translates into the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Enhance your sun protection with tightly woven, yet airy clothing. Warning! The Sun's UV rays intensify with reflections from sand and water.
[Resources]

Frequently asked questions

What are May temperatures in Alofi?

During May, Alofi experiences an average high-temperature of 26.6°C (79.9°F) and a low-temperature of 25.5°C (77.9°F). In April, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is calculated to be 30°C (86°F).

What is the average humidity in May in Alofi?

The average relative humidity in May in Alofi, Niue, is 78%.

How much does it rain in Alofi in May?

In May, the rain falls for 18.7 days. Throughout May, 90mm (3.54") of precipitation is accumulated.

How warm is the water in May in Alofi?

In Alofi, the average seawater temperature in May is 27°C (80.6°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

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

In Alofi, Niue, the average day length in May is 11h and 13min.

When is the sunrise / sunset in May in Alofi?

In May, on the first day of the month, sunrise is at 06:34 and sunset at 17:58. On the last day of the month, sunrise is at 06:45 and sunset at 17:49 -11.

How long on average sun shines in May in Alofi?

The average sunshine duration in May is 5.3h.

What are the months with the highest UV index in Alofi?

The months with the highest UV index in Alofi, Niue, are January through May, November and December, with an average maximum UV index of 7.

What is the UV index reading in May in Alofi?

In Alofi, the average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.

Average temperature in May
Alofi, Niue

Average temperature in May - Alofi, Niue
  • Average high temperature in May: 26.6°C

The warmest month (with the highest average high temperature) is March (28°C).
The month with the lowest average high temperature is August (24.6°C).

  • Average low temperature in May: 25.5°C

The month with the highest average low temperature is March (27.2°C).
The coldest month (with the lowest average low temperature) is August (23.4°C).

[Resources]

Average pressure in May
Alofi, Niue

Average pressure in May - Alofi, Niue
  • Average pressure in May: 1013.2mbar

The months with the highest atmospheric pressure are August and September (1015.2mbar).
The month with the lowest atmospheric pressure is January (1008.4mbar).

[Resources]

Average wind speed in May
Alofi, Niue

Average wind speed in May - Alofi, Niue
  • Average wind speed in May: 25.3km/h

The windiest month (with the highest average wind speed) is June (27.2km/h).
The calmest month (with the lowest average wind speed) is March (19.8km/h).

[Resources]

Average humidity in May
Alofi, Niue

Average humidity in May - Alofi, Niue
  • Average humidity in May: 78%

The months with the highest relative humidity are January, September and November (79%).
The months with the lowest relative humidity are March, April, June, July and August (77%).

[Resources]

Average rainfall in May
Alofi, Niue

Average rainfall in May - Alofi, Niue
  • Average rainfall in May: 90mm

The wettest month (with the highest rainfall) is January (202mm).
The driest month (with the least rainfall) is June (50mm).

[Resources]

Average rainfall days in May
Alofi, Niue

Average rainfall days in May - Alofi, Niue
  • Average rainfall days in May: 18.7 days

The month with the highest number of rainy days is January (24.4 days).
The month with the least rainy days is November (14.8 days).

[Resources]

Average sea temperature in May
Alofi, Niue

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

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

[Resources]

Average daylight in May /
Average sunshine in May
Alofi, Niue

Average daylight in May / Average sunshine in May - Alofi, Niue
  • Average daylight in May: 11h and 1min

The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 11h and 0min).

  • Average sunshine in May: 5h and 2min

The month with the most sunshine is December (Average sunshine: 8h and 30min).
The month with the least sunshine is June (Average sunshine: 5h and 12min).

[Resources]

Average sunshine days in May
Alofi, Niue

Average sunshine days in May - Alofi, Niue
  • Average sunshine days in May: 6.7 days

The month with the most sunshine days is November (13 days).
The month with the least sunshine days is February (2.9 days).

[Resources]

Average UV index in May
Alofi, Niue

Average UV index in May - Alofi, Niue
  • Average UV index in May: 7

The months with the highest UV index are January, February, March, April, May, November and December (UV index 7).
The months with the lowest UV index are June, July, August, September and October (UV index 6).

[Resources]

Average cloud cover in May
Alofi, Niue

Average cloud cover in May - Alofi, Niue
  • Average cloud cover in May: 50

The months with the most cloud cover are August and November (Cloud cover 55).
The month with the least cloud cover is March (Cloud cover 47).

[Resources]

Average visibility in May
Alofi, Niue

Average visibility in May - Alofi, Niue
  • Average visibility in May: 10km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).

[Resources]

Alofi, Niue

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location