Kailua, Oahu weather in August 2019

  • 31°C maximum daytime temperature in August in Kailua, Oahu31
    31°C max day temperature
  • 10 hours of sunshine per day
  • 7 days with some rainfall in August in Kailua, Oahu7
    7 days with some rainfall
  • 22°C minimum night-time temperature in August in Kailua, Oahu22
    22°C min night temperature
  • 13 hours of daylight per day in August in Kailua, Oahu13
    13 hours of daylight per day
  • High heat & humidity in August in Kailua, OahuH
    High heat & humidity
  • 38 mm monthly rainfall in August in Kailua, Oahu38
    38 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Kailua, Oahu11
    11+ (Extreme) UV index
  • 26°C sea temperature in August in Kailua, Oahu26
    26°C sea temperature

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Expect 31°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Kailua, Oahu in August. Check more long-term weather averages for Kailua, Oahu in August before you book your next holiday to Hawaii in 2019/2020.

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More about Kailua, Oahu

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The August weather guide for Kailua, Oahu, 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, Oahu weather in August

The average maximum daytime temperature in Kailua, Oahu in August is a hot 31°C (88°F) with high heat & humidity. The average night-time temperature is usually a warm 22°C (72°F). There are usually 10 hours of bright sunshine each day, which represents 74% of the 13 hours of daylight.

Expect 38mm (1.5 inches) of rainfall across the whole of August with 7 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, Oahu in August is 26°C (79°F).

Kailua, Oahu sunrise & sunset times for August 2019

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st August 2019 06:04 19:10
Friday, 2nd August 2019 06:05 19:09
Saturday, 3rd August 2019 06:05 19:09
Sunday, 4th August 2019 06:05 19:08
Monday, 5th August 2019 06:06 19:08
Tuesday, 6th August 2019 06:06 19:07
Wednesday, 7th August 2019 06:07 19:07
Thursday, 8th August 2019 06:07 19:06
Friday, 9th August 2019 06:07 19:05
Saturday, 10th August 2019 06:08 19:05
Sunday, 11th August 2019 06:08 19:04
Monday, 12th August 2019 06:08 19:03
Tuesday, 13th August 2019 06:09 19:03
Wednesday, 14th August 2019 06:09 19:02
Thursday, 15th August 2019 06:09 19:01
Friday, 16th August 2019 06:10 19:00
Saturday, 17th August 2019 06:10 19:00
Sunday, 18th August 2019 06:10 18:59
Monday, 19th August 2019 06:11 18:58
Tuesday, 20th August 2019 06:11 18:57
Wednesday, 21st August 2019 06:11 18:57
Thursday, 22nd August 2019 06:12 18:56
Friday, 23rd August 2019 06:12 18:55
Saturday, 24th August 2019 06:12 18:54
Sunday, 25th August 2019 06:12 18:53
Monday, 26th August 2019 06:13 18:52
Tuesday, 27th August 2019 06:13 18:52
Wednesday, 28th August 2019 06:13 18:51
Thursday, 29th August 2019 06:14 18:50
Friday, 30th August 2019 06:14 18:49
Saturday, 31st August 2019 06:14 18:48
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