June weather forecastNuku'alofa, Tonga

June
Weather in June
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
Nuku'alofa's weather, upon June's arrival, documents an average high-temperature of a still moderately hot 25.8°C (78.4°F), nearly identical to the prior month. During June, Nuku'alofa records an average temperature of 19.5°C (67.1°F) at night.Humidity
In June, the average relative humidity 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 Nuku'alofa, in June, the average water temperature is 25.5°C (77.9°F).Note: For swimming, diving, or other water activities, the temperature range of 25°C (77°F) to 29°C (84.2°F) is perceived as exceptionally enjoyable and comfortable even for prolonged periods.
Daylight
The month with the shortest days is June, with an average of 10h and 54min of daylight.On the first day of the month, sunrise is at 07:11 and sunset at 18:06. On the last day of June, 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 of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 6 during June leads to these instructions:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. 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. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take warning! Reflective sand and water surfaces intensify the Sun's UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Nuku'alofa, Tonga
- Average high temperature in June: 25.8°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 June: 19.5°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 June
Nuku'alofa, Tonga
- Average humidity in June: 77%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is November (73%).
Average rainfall in June
Nuku'alofa, Tonga
- Average rainfall in June: 95mm
The wettest month (with the highest rainfall) is February (210mm).
The driest months (with the least rainfall) are June and July (95mm).
Average rainfall days in June
Nuku'alofa, Tonga
- Average rainfall days in June: 14 days
The months with the highest number of rainy days are February and March (19 days).
The month with the least rainy days is October (11 days).
Average sea temperature in June
Nuku'alofa, Tonga
- Average sea temperature in June: 25.5°C
The best month for swimming (with the highest average sea temperature) is March (28.1°C).
The coldest months (with the lowest average sea temperature) are August and September (23.8°C).
Average daylight in June /
Average sunshine in June
Nuku'alofa, Tonga
- Average daylight in June: 10h and 54min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in June: 5h
The months with the most sunshine are January and March (Average sunshine: 18h).
The month with the least sunshine is August (Average sunshine: 3h).
Average UV index in June
Nuku'alofa, Tonga
- Average UV index in June: 6
The months with the highest UV index are January, February, March, November and December (UV index 12).
The months with the lowest UV index are June and July (UV index 6).





