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

June weather forecast and climate
Honolulu, HI

Waikiki beach viewed from above, with clear calm waters on the foot of Honolulu city, Hawaii, with the vast cityscape and mountains in the distance
Waikiki beach viewed from above, with clear calm waters on the foot of Honolulu city, Hawaii, with the vast cityscape and mountains in the distance
The sunshine hours in June average eleven per day, raising the ocean warmth to an average of 78.8°F (26°C). The temperatures shoot up to read between 73.4°F (23°C) and 87.8°F (31°C), making it hotter than it was in the past few months. Humidity drops to 63%, and so does the rainfall that takes a big dip to rain for averagely eight days during the month fetching at 0.2" (5.1mm) - making it an almost dry month.

What is the temperature in June in Honolulu?

The average high-temperature, in June, is 87.1°F (30.6°C), while the average low-temperature is 73.4°F (23°C). In June, the average heat index (a.k.a. 'real feel', 'feels like'), that combines both air temperature and relative humidity, is evaluated at 95.2°F (35.1°C).

What is the average humidity in June in Honolulu?

The average relative humidity in June in Honolulu is 64.4%.

How much does it rain in Honolulu in June?

In Honolulu, in June, it is raining for 5.7 days, with typically 6.2" (158mm) of accumulated precipitation.

What is the driest month in Honolulu?

June is the month with the least rainfall in Honolulu, Hawaii. Rain falls for 5.7 days and accumulates 6.2" (158mm) of precipitation.

What is the ocean temperature in June in Honolulu?

In Honolulu, Hawaii, in June, the average water temperature is 78.6°F (25.9°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 Honolulu?

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

What is the average length of the day in June in Honolulu?

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

How many hours of sunshine does Honolulu have in June?

In June, the average sunshine in Honolulu is 9.5h.

What are the months with the highest UV index in Honolulu?

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

How high is the UV index in June in Honolulu?

In June, the average daily maximum UV index is 12. A UV Index reading of 11, and higher, represents an extreme health threat from the exposure to the Sun's UV radiation.
Average temperature in June - Honolulu, HI
  • Average high temperature in June: 87°F

The warmest month (with the highest average high temperature) is August (88.7°F).
The month with the lowest average high temperature is January (80.1°F).

  • Average low temperature in June: 73.4°F

The month with the highest average low temperature is August (75.1°F).
The coldest month (with the lowest average low temperature) is February (66.1°F).

Average humidity in June - Honolulu, HI
  • Average humidity in June: 64.4%

The month with the highest relative humidity is January (73.3%).
The month with the lowest relative humidity is August (64.1%).

Average rainfall in June - Honolulu, HI
  • Average rainfall in June: 6.2"

The wettest month (with the highest rainfall) is March (11.5").
The driest month (with the lowest rainfall) is June (6.2").

Average rainfall days in June - Honolulu, HI
  • Average rainfall days in June: 5.7 days

The month with the highest number of rainy days is December (9.7 days).
The month with the lowest number of rainy days is August (5.6 days).

Average sea temperature in June - Honolulu, HI
  • Average sea temperature in June: 78.6°F

The best month for swimming (with the highest average sea temperature) is September (80.4°F).
The coldest month (with the lowest average sea temperature) is March (75.7°F).

Average daylight in June / Average sunshine in June - Honolulu, 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: 9.5h

The month with most sunshine is July (Average sunshine: 9.9h).
The month with least sunshine is December (Average sunshine: 6.4h).

Average UV index in June - Honolulu, 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).