June weather forecastKoloa, Tonga

June

Weather in June

June in Koloa, Tonga continues the trend of the rainy season withdrawal. Further decline in rainfall is noticeable; with 50mm (1.97"), June records the least rainfall in the year. The clear skies and enhanced sunshine make for an excellent time for sightseeing and beach activities. Sea breezes generate a cooling effect, mitigating increasing daytime temperatures. Safety measures, such as sunscreen and hats, should be considered during prolonged sun exposure due to high UV index levels.

Temperature

Koloa's June reports an average high-temperature of a still moderately hot 25.7°C (78.3°F), exhibiting a minor difference from May. Koloa, in June, registers an average low temperature of 24.7°C (76.5°F), showing a minute reduction from daily highs.

Humidity

In Koloa, the average relative humidity in June is 78%.

Rainfall

In June, the rain falls for 14.8 days. Throughout June, 50mm (1.97") of precipitation is accumulated. In Koloa, Tonga, during the entire year, the rain falls for 227.2 days and collects up to 1333mm (52.48") of precipitation.

Daylight

June has the shortest days of the year in Koloa, with an average of 11h and 0min of daylight.
On the first day of the month, sunrise is at 07:01 and sunset at 18:05. On the last day of June, in Koloa, sunrise is at 07:08 and sunset at 18:10 +13.

Sunshine

The average sunshine in June in Koloa is 6.9h.

UV index

The months with the lowest UV index in Koloa are May through November, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 6 during June translates into the following guidance:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

The average high-temperature and low-temperature in Koloa, Tonga, during June are 25.7°C (78.3°F) and 24.7°C (76.5°F) respectively. In April, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is calculated to be 30°C (86°F).

In Koloa, Tonga, the average relative humidity in June is 78%.

In June, the rain falls for 14.8 days. Throughout June, 50mm (1.97") of precipitation is accumulated.

The month with the shortest days in Koloa, Tonga, is June, with an average of 11h and 0min of daylight.

In Koloa, Tonga, the average day length in June is 11h and 2min.

In June, on the first day of the month, sunrise is at 07:01 and sunset at 18:05. On the last day of the month, sunrise is at 07:08 and sunset at 18:10 +13.

In June, the average sunshine duration is 6.9h.

The months with the lowest UV index are May through November, with an average maximum UV index of 6.

The average daily maximum UV index in June in Koloa, Tonga, is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Koloa, Tonga

  • Average high temperature in June: 25.7°C

The warmest month (with the highest average high temperature) is February (28.3°C).
The month with the lowest average high temperature is September (24.7°C).

  • Average low temperature in June: 24.7°C

The month with the highest average low temperature is February (27.3°C).
The coldest month (with the lowest average low temperature) is July (23.7°C).

Average pressure in June
Koloa, Tonga

  • Average pressure in June: 1014.3mbar

The months with the highest atmospheric pressure are August and September (1014.8mbar).
The month with the lowest atmospheric pressure is January (1007.8mbar).

Average wind speed in June
Koloa, Tonga

  • Average wind speed in June: 27km/h

The windiest month (with the highest average wind speed) is June (27km/h).
The calmest month (with the lowest average wind speed) is March (20.2km/h).

Average humidity in June
Koloa, Tonga

  • Average humidity in June: 78%

The months with the highest relative humidity are September, October and November (79%).
The month with the lowest relative humidity is April (77%).

Average rainfall in June
Koloa, Tonga

  • Average rainfall in June: 50mm

The wettest month (with the highest rainfall) is January (275mm).
The driest month (with the least rainfall) is August (42mm).

Average rainfall days in June
Koloa, Tonga

  • Average rainfall days in June: 14.8 days

The months with the highest number of rainy days are February and March (24.3 days).
The month with the least rainy days is August (14.6 days).

Average daylight in June /
Average sunshine in June
Koloa, Tonga

  • Average daylight in June: 11h and 0min

The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 0min).

  • Average sunshine in June: 6h and 54min

The month with the most sunshine is December (Average sunshine: 8h and 12min).
The month with the least sunshine is September (Average sunshine: 6h and 36min).

Average sunshine days in June
Koloa, Tonga

  • Average sunshine days in June: 10.1 days

The month with the most sunshine days is August (11.8 days).
The month with the least sunshine days is February (2.3 days).

Average UV index in June
Koloa, Tonga

  • Average UV index in June: 6

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

Average cloud cover in June
Koloa, Tonga

  • Average cloud cover in June: 51

The month with the most cloud cover is October (Cloud cover 55).
The month with the least cloud cover is March (Cloud cover 46).

Average visibility in June
Koloa, Tonga

  • Average visibility in June: 10km

The 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).