June weather forecast
Nuku'alofa, Tonga

The onset of June introduces the coolest temperature in the year, a welcoming climate for those seeking respite from the humid summers of Nuku'alofa. The temperature continues the declining trend from the previous month, settling to a low of 25.8°C (78.4°F). June also records the smallest rainfall, ensuring relatively dry conditions. The duration of daylight and sunshine remains roughly the same as May, offering a balanced day for outdoor pursuits. The coasts are equally attractive, even as sea temperature persists with its reducing course.

Temperature

The onset of June brings an average high-temperature of a still warm 25.8°C (78.4°F), nearly matching the May temperature. Nuku'alofa records an average nighttime low of 19.5°C (67.1°F) in June.

Humidity

The average relative humidity in June in Nuku'alofa is 77%.

Rainfall

June and July are months with the least rain when the rain falls for 14 days and typically aggregates up to 95mm (3.74") of rain.

Sea temperature

In June, the average sea temperature is 25.5°C (77.9°F).
Note: For swimming, diving, and various water activities, the temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as highly enjoyable and comfortable for extended durations without any discomfort.

Daylight

With an average of 10h and 54min of daylight, June has the shortest days of the year in Nuku'alofa.
On the first day of June, sunrise is at 07:11 and sunset at 18:06. On the last day of the month, sunrise is at 07:18 and sunset at 18:10 +13.

Sunshine

In Nuku'alofa, the average sunshine in June is 5h.

UV index

The months with the lowest UV index are June and July, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 6 in June converts into the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be alert! The reflection of water and sand augments UV radiation intensity.