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

May 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
May, the last month of the autumn, in Nuku'alofa, is another warm month, with temperature in the range of an average high of 26.8°C (80.2°F) and an average low of 20.3°C (68.5°F).

Temperature

In Nuku'alofa, the average high-temperature is practically the same as in April - a still moderately hot 26.8°C (80.2°F). The average low-temperature, in Nuku'alofa, is 20.3°C (68.5°F).

Humidity

In Nuku'alofa, the average relative humidity is 78%.

Rainfall

In Nuku'alofa, during May, the rain falls for 15 days and regularly aggregates up to 111mm (4.4") of precipitation. Throughout the year, in Nuku'alofa, there are 180 rainfall days, and 1721mm (67.8") of precipitation is accumulated.

Sea temperature

In Nuku'alofa, the average seawater temperature is 26.8°C (80.2°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 is 11.1h.

Sunshine

The average sunshine in Nuku'alofa is 9h.

UV index

The average daily maximum UV index in May is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to the UV radiation for the average person.
The average daily UV index of 7 transform into the following instructions:
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 May in Nuku'alofa?

In Nuku'alofa, Tonga, in May, the average high-temperature is 26.8°C (80.2°F), and the average low-temperature is 20.3°C (68.5°F).

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

In Nuku'alofa, the average relative humidity in May is 78%.

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

In Nuku'alofa, during May, the rain falls for 15 days and regularly aggregates up to 111mm (4.4") of precipitation.

What is the water temperature in May in Nuku'alofa?

In May, the average sea temperature is 26.8°C (80.2°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 Nuku'alofa?

The average length of the day in May in Nuku'alofa, Tonga, is 11.1h.

How many hours of sunshine does Nuku'alofa have in May?

The average sunshine in May in Nuku'alofa, Tonga, is 9h.

What is the UV index reading in May in Nuku'alofa?

The average daily maximum UV index in May in Nuku'alofa, Tonga, is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in May - Nuku
  • Average high temperature in May: 26.8°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 May: 20.3°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 May - Nuku
  • Average humidity in May: 78%

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

Average rainfall in May - Nuku
  • Average rainfall in May: 111mm

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 May - Nuku
  • Average rainfall days in May: 15 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 May - Nuku
  • Average sea temperature in May: 26.8°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 May / Average sunshine in May - Nuku
  • Average daylight in May: 11.1h

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 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 - Nuku
  • Average UV index in May: 7

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).