Hana
Hawaii, USA
Long-term weather forecast
Long-term weather forecast

June weather forecast and climate
Hana, HI

June, the first month of the summer, in Hana, is also a moderately hot month, with average temperature ranging between min 70°F (21.1°C) and max 82°F (27.8°C).

Temperature

In June, the average high-temperature is essentially the same as in May - a still moderately hot 82°F (27.8°C). In June, the average low-temperature is 70°F (21.1°C).

Rainfall

June is the month with the least rainfall in Hana. Rain falls for 14 days and accumulates 4.1" (103.6mm) of precipitation.

Ocean temperature

In June, the average ocean temperature is 78.3°F (25.7°C).
Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

June has the longest days of the year, with an average of 13.4h of daylight.

Sunshine

June through September, with an average of 8h of sunshine, are months with the most sunshine.

UV index

Months with the highest UV index are June through August, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an extreme threat to health from unsafe exposure to the UV radiation for ordinary individuals.
Note: The average daily UV index of 12 transform into the following instructions:
Practice all essential precautions. Protection against sun damage is crucial. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in June in Hana?

In Hana, in June, the average high-temperature is 82°F (27.8°C), and the average low-temperature is 70°F (21.1°C).

How much does it rain in Hana in June?

In Hana, Hawaii, in June, it is raining for 14 days, with typically 4.1" (103.6mm) of accumulated precipitation.

What is the driest month in Hana?

June is the month with the least rainfall. Rain falls for 14 days and accumulates 4.1" (103.6mm) of precipitation.

What is the water temperature in June in Hana?

In Hana, Hawaii, in June, the average water temperature is 78.3°F (25.7°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

When are the longest days in Hana?

With an average of 13.4h of daylight, June has the longest days of the year in Hana, Hawaii.

How many hours of daylight does Hana have in June?

In Hana, Hawaii, the average length of the day in June is 13.4h.

What are the months with the most sunshine in Hana?

Months with the most sunshine in Hana are June through September, with an average of 8h of sunshine.

How many hours of sunshine does Hana have in June?

The average sunshine in June in Hana, Hawaii, is 8h.

What is the month with the highest UV index in Hana?

Months with the highest UV index in Hana are June through August, with an average maximum UV index of 12.

What is the UV index reading in June in Hana?

In June, the average daily maximum UV index is 12. A UV Index reading of 11, and higher, represents an extreme health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in June - Hana, HI
  • Average high temperature in June: 27.8°C

Warmest months (with the highest average high temperature) are August and September (28.3°C).
Months with the lowest average high temperature are January, February and March (25.6°C).

  • Average low temperature in June: 21.1°C

The month with the highest average low temperature is August (22.2°C).
The coldest month (with the lowest average low temperature) is February (17.8°C).

Average rainfall in June - Hana, HI
  • Average rainfall in June: 103.6mm

The wettest month (with the highest rainfall) is March (241.8mm).
The driest month (with the lowest rainfall) is June (103.6mm).

Average rainfall days in June - Hana, HI
  • Average rainfall days in June: 14 days

Months with the highest number of rainy days are April, July and August (16 days).
Months with the lowest number of rainy days are January and February (12 days).

Average sea temperature in June - Hana, HI
  • Average sea temperature in June: 25.7°C

The best month for swimming (with the highest average sea temperature) is September (26.7°C).
The coldest month (with the lowest average sea temperature) is March (24.3°C).

Average daylight in June / Average sunshine in June - Hana, HI
  • Average daylight in June: 13.4h

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

  • Average sunshine in June: 8h

Months with most sunshine are June, July, August and September (Average sunshine: 8h).
Months with least sunshine are November and December (Average sunshine: 6).

Average UV index in June - Hana, HI
  • Average UV index in June: 12

Months with the highest UV index are June, July and August (UV index 12).
The month with the lowest UV index is December (UV index 6).