Nuku'alofa
Tonga
Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
Nuku'alofa, Tonga

A view of the Rugged scenic shores of Nuku
A view of the Rugged scenic shores of Nuku'alofa in Tonga, with a beautiful clear waterfront
April, the same as March, is a moderately hot autumn month in Nuku'alofa, Tonga, with average temperature varying between 22.1°C (71.8°F) and 28.5°C (83.3°F).

Temperature

In April, the average high-temperature is relatively the same as in March - a still warm 28.5°C (83.3°F). In Nuku'alofa, the average low-temperature is 22.1°C (71.8°F).

Heat index

In April, the average heat index is appraised at a hot 32.7°C (90.9°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'feels like', 'felt air temperature', or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like activity, wind, metabolic differences, and pregnancy affect individual temperature impact. 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 particularly important for children. 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

The average relative humidity in Nuku'alofa is 76%.

Rainfall

In April, the rain falls for 17 days. Throughout April, 165mm (6.5") of precipitation is accumulated. Throughout the year, there are 180 rainfall days, and 1721mm (67.8") of precipitation is accumulated.

Sea temperature

In Nuku'alofa, the average seawater temperature is 27.7°C (81.9°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

In Nuku'alofa, the average length of the day is 11.6h.

Sunshine

In Nuku'alofa, the average sunshine in April is 13h.

UV index

In Nuku'alofa, Tonga, the average daily maximum UV index is 10. A UV Index estimate of 8 to 10 represents a very high health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 10 transform into the following instructions:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in April in Nuku'alofa?

In April, in Nuku'alofa, the average high-temperature is 28.5°C (83.3°F), and the average low-temperature is 22.1°C (71.8°F). In April, the average heat index (a.k.a. 'real feel', 'apparent temperature'), that combines both air temperature and relative humidity, is appraised at 32.7°C (90.9°F).

What is the average humidity in April in Nuku'alofa?

The average relative humidity in April in Nuku'alofa, Tonga, is 76%.

How many days does it rain in April in Nuku'alofa?

In April, in Nuku'alofa, Tonga, the rain falls for 17 days. Throughout April, 165mm (6.5") of precipitation is accumulated.

How warm is the water in April in Nuku'alofa?

In April, the average sea temperature in Nuku'alofa, Tonga, is 27.7°C (81.9°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 April in Nuku'alofa?

The average length of the day in April in Nuku'alofa is 11.6h.

How long on average sun shines in April in Nuku'alofa?

In April, the average sunshine in Nuku'alofa is 13h.

What is the UV index intensity in April in Nuku'alofa?

In April, the average daily maximum UV index in Nuku'alofa, Tonga, is 10. A UV Index estimate of 8 to 10 represents a very high hazard to health from the exposure to the Sun's UV rays.
Average temperature in April - Nuku
  • Average high temperature in April: 28.5°C

The warmest month (with the highest average high temperature) is February (29.9°C).
The month with the lowest average high temperature is August (24.8°C).

  • Average low temperature in April: 22.1°C

The month with the highest average low temperature is February (23.7°C).
The coldest month (with the lowest average low temperature) is July (18.1°C).

Average humidity in April - Nuku
  • Average humidity in April: 76%

The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is November (73%).

Average rainfall in April - Nuku
  • Average rainfall in April: 165mm

The wettest month (with the highest rainfall) is February (210mm).
Driest months (with the lowest rainfall) are June and July (95mm).

Average rainfall days in April - Nuku
  • Average rainfall days in April: 17 days

Months with the highest number of rainy days are February and March (19 days).
The month with the lowest number of rainy days is October (11 days).

Average sea temperature in April - Nuku
  • Average sea temperature in April: 27.7°C

The best month for swimming (with the highest average sea temperature) is March (28.1°C).
Coldest months (with the lowest average sea temperature) are August and September (23.8°C).

Average daylight in April / Average sunshine in April - Nuku
  • Average daylight in April: 11.6h

The month with the longest days is December (Average daylight: 13.4h).
The month with shortest days is June (Average daylight: 10.9h).

  • Average sunshine in April: 13h

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 April - Nuku
  • Average UV index in April: 10

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