Kailua, Big Island weather in August 2019

  • 23°C maximum daytime temperature in August in Kailua, Big Island23
    23°C max day temperature
  • 17 days with some rainfall in August in Kailua, Big Island17
    17 days with some rainfall
  • 15°C minimum night-time temperature in August in Kailua, Big Island15
    15°C min night temperature
  • 13 hours of daylight per day in August in Kailua, Big Island13
    13 hours of daylight per day
  • Moderate heat & humidity in August in Kailua, Big IslandM
    Moderate heat & humidity
  • 50 mm monthly rainfall in August in Kailua, Big Island50
    50 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Kailua, Big Island11
    11+ (Extreme) UV index
  • 27°C sea temperature in August in Kailua, Big Island27
    27°C sea temperature

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Expect 23°C daytime maximum temperatures in the shade with on average -9999 hours of sunshine per day in Kailua, Big Island in August. Check more long-term weather averages for Kailua, Big Island in August before you book your next holiday to Hawaii in 2019/2020.

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More about Kailua, Big Island

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The August weather guide for Kailua, Big Island, Hawaii shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Guide to Kailua, Big Island weather in August

The average maximum daytime temperature in Kailua, Big Island in August is a warm 23°C (73°F) with moderate heat & humidity. The average night-time temperature is usually a comfortable 15°C (59°F).

Expect 50mm (2.0 inches) of rainfall across the whole of August with 17 days with some rain falling. Maximum UV levels will be extreme (11+ UV index) at midday when the skies are clear.

The average sea temperature in and around Kailua, Big Island in August is 27°C (81°F).

Kailua, Big Island sunrise & sunset times for August 2019

Browse the sunrise & sunset times for Kailua, Big Island in August 2019. Select a month to view Kailua, Big Island sunrise & sunset times for the next twelve months.

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Date Sunrise times Sunset times
Thursday, 1st August 2019 06:00 19:00
Friday, 2nd August 2019 06:00 19:00
Saturday, 3rd August 2019 06:01 18:59
Sunday, 4th August 2019 06:01 18:59
Monday, 5th August 2019 06:01 18:58
Tuesday, 6th August 2019 06:02 18:58
Wednesday, 7th August 2019 06:02 18:57
Thursday, 8th August 2019 06:02 18:57
Friday, 9th August 2019 06:03 18:56
Saturday, 10th August 2019 06:03 18:56
Sunday, 11th August 2019 06:03 18:55
Monday, 12th August 2019 06:04 18:54
Tuesday, 13th August 2019 06:04 18:54
Wednesday, 14th August 2019 06:04 18:53
Thursday, 15th August 2019 06:04 18:52
Friday, 16th August 2019 06:05 18:52
Saturday, 17th August 2019 06:05 18:51
Sunday, 18th August 2019 06:05 18:50
Monday, 19th August 2019 06:05 18:49
Tuesday, 20th August 2019 06:06 18:49
Wednesday, 21st August 2019 06:06 18:48
Thursday, 22nd August 2019 06:06 18:47
Friday, 23rd August 2019 06:07 18:46
Saturday, 24th August 2019 06:07 18:46
Sunday, 25th August 2019 06:07 18:45
Monday, 26th August 2019 06:07 18:44
Tuesday, 27th August 2019 06:07 18:43
Wednesday, 28th August 2019 06:08 18:42
Thursday, 29th August 2019 06:08 18:42
Friday, 30th August 2019 06:08 18:41
Saturday, 31st August 2019 06:08 18:40
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