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.
Average temperature in June - Honolulu, HI
  • Average high temperature in June: 30.6°C

The warmest month (with the highest average high temperature) is August (31.5°C).
The month with the lowest average high temperature is January (26.7°C).

  • Average low temperature in June: 23°C

The month with the highest average low temperature is August (23.9°C).
The coldest month (with the lowest average low temperature) is February (18.9°C).

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: 158mm

The wettest month (with the highest rainfall) is March (291mm).
The driest month (with the lowest rainfall) is June (158mm).

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: 25.9°C

The best month for swimming (with the highest average sea temperature) is September (26.9°C).
The coldest month (with the lowest average sea temperature) is March (24.3°C).

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).

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