April 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
April, like March, in Alofi, Niue, is a moderately hot autumn month, with average temperature fluctuating between 26.5°C (79.7°F) and 27.3°C (81.1°F).

Temperature

In Alofi, the average high-temperature is almost the same as in March - a still warm 27.3°C (81.1°F). The average low-temperature, in Alofi, Niue, is 26.5°C (79.7°F).

Heat index

In April, the average heat index is appraised at a tropical 30.1°C (86.2°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'feels like', or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (differences in body mass, height, and shape, metabolic differences, clothing). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

Months with the lowest humidity in Alofi are March, April, June through August, with an average relative humidity of 77%.

Rainfall

In Alofi, in April, during 15.7 rainfall days, 108mm (4.25") of precipitation is typically accumulated. Throughout the year, there are 229.1 rainfall days, and 1209mm (47.6") of precipitation is accumulated.

Sea temperature

January through April, with an average sea temperature of 28°C (82.4°F), are months with the warmest seawater.
Note: 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 Alofi, Niue, the average length of the day is 11.7h.

Sunshine

The average sunshine is 7.2h.

UV index

January through May, November and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 7 in April interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in April in Alofi?

The average high-temperature, in April, in Alofi, Niue, is 27.3°C (81.1°F), while the average low-temperature is 26.5°C (79.7°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), that takes the relative humidity and factores it into the air temperature reading, in April is appraised at 30.1°C (86.2°F).

What are the least humid months in Alofi?

March, April, June through August, with an average relative humidity of 77%, are the least humid months in Alofi, Niue.

What is the average humidity in April in Alofi?

In April, the average relative humidity in Alofi is 77%.

How many days does it rain in April in Alofi?

In April, the rain falls for 15.7 days. Throughout April, 108mm (4.25") of precipitation is accumulated.

What are the months with the warmest sea water in Alofi?

January through April, with an average sea temperature of 28°C (82.4°F), are months with the warmest seawater in Alofi, Niue.

How warm is the water in April in Alofi?

In Alofi, Niue, in April, the average water temperature is 28°C (82.4°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.

How many hours of daylight does Alofi have in April?

In Alofi, the average length of the day in April is 11.7h.

How long on average sun shines in April in Alofi?

In Alofi, Niue, the average sunshine in April is 7.2h.

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

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

What is the UV index reading in April in Alofi?

The average daily maximum UV index in April in Alofi is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in April - Alofi, Niue
  • Average high temperature in April: 27.3°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 April: 26.5°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).

Average pressure in April - Alofi, Niue
  • Average pressure in April: 1011.9mbar

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

Average wind speed in April - Alofi, Niue
  • Average wind speed in April: 22.7km/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).

Average humidity in April - Alofi, Niue
  • Average humidity in April: 77%

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

Average rainfall in April - Alofi, Niue
  • Average rainfall in April: 108mm

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

Average rainfall days in April - Alofi, Niue
  • Average rainfall days in April: 15.7 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).

Average sea temperature in April - Alofi, Niue
  • Average sea temperature in April: 28°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).

Average daylight in April / Average sunshine in April - Alofi, Niue
  • Average daylight in April: 11.7h

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

  • Average sunshine in April: 7.2h

The month with the most sunshine is December (Average sunshine: 8.5h).
The month with the least sunshine is June (Average sunshine: 5.2h).

Average sunshine days in April - Alofi, Niue
  • Average sunshine days in April: 12.2 days

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

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

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

Average cloud cover in April - Alofi, Niue
  • Average cloud cover in April: 48

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).

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

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).