Honolulu (Oahu) in august: average Weather, Temperature and Climate
Weather in Honolulu (Oahu) in august 2025
The weather in Oahu (Honolulu) in august comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout august
perfect weather UV index: 7
Weather at 6am
26°C
Partly Cloudy
52% of time
23%
16%
10%
Weather at 12pm
28°C
Clear/Sunny
57% of time
27%
13%
3%
Weather at 6pm
25°C
Partly Cloudy
33% of time
30%
29%
6%
Weather at 3am
25°C
50%
28%
15%
8%
Evolution of daily average temperature and precipitation in Honolulu (Oahu) in august
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Honolulu (Oahu) in august.
The climate of Honolulu (Oahu) in august is perfect
the weather in Oahu (Honolulu) in august is quite dry (with 64mm of precipitation over 3 days). The weather's not getting better compared to the previous month since in july there is an average of 40mm of precipitation over 2 days.
The climate good in this city the month of august. The high seasonal norm is 28°C. The seasonal minimum is 26°C. Thus, the mean temperature average on this month of august in Oahu (Honolulu) is 27°C. Note that these seasonal averages are in contrast with those observed in Oahu (Honolulu) in august with a maximum record of 31°C in 2015 and a minimum record of 23°C in 2021. You can expect to have about 2 days with temperatures above 30°C, or 6 of time.
Day length in Oahu (Honolulu) in august is 12:51. The sun rises at 06:10 and sets at 19:01.
With a good weather, this month is a good time to go in that area.
Seasonal average climate and temperature of Honolulu (Oahu) in august
Check below seasonal norms These statistics are compiled from the weather statements of the past years of august.
| August | |||||
| Outside temperature | |||||
| Average temperature | 27°C | ||||
| Highest temperature | 28°C | ||||
| Lowest temperature | 26°C | ||||
| Highest record temperature | 31°C (2015) | ||||
| Lowest record temperature | 23°C (2021) | ||||
| Number of days at +30°C | 2 day(s) (6%) | ||||
| Number of days at +18°C | 31 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 26.5°C | ||||
| Lowest sea temperature | 25.8°C | ||||
| Highest sea temperature | 27.2°C | ||||
| Wind | |||||
| Wind speed | 23km/h | ||||
| Wind temperature | 26°C | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 64mm | ||||
| Number of days with rainfall | 3 day(s) (9%) | ||||
| Record daily rainfall | 63mm (2015) | ||||
| Other climate data | |||||
| Humidity | 77% | ||||
| Visibility | 9.75km | ||||
| Cloud cover | 35% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:10 | ||||
| Time of sunset | 19:01 | ||||
| Length of day | 12:51 | ||||
| Our opinion about the weather in august | |||||
| Our opinion at whereandwhen.net | perfect | ||||
How was the weather last august?
Here is the day by day recorded weather in Honolulu (Oahu) in august 2024:
22°C to 28°C
23°C to 28°C
23°C to 28°C
24°C to 28°C
24°C to 28°C
23°C to 28°C
24°C to 28°C
24°C to 28°C
23°C to 28°C
23°C to 28°C
24°C to 28°C
24°C to 27°C
23°C to 28°C
23°C to 28°C
24°C to 28°C
25°C to 28°C
24°C to 28°C
24°C to 28°C
24°C to 29°C
24°C to 28°C
24°C to 28°C
24°C to 27°C
24°C to 26°C
24°C to 27°C
25°C to 27°C
24°C to 26°C
23°C to 27°C
24°C to 28°C
24°C to 29°C
25°C to 27°C
24°C to 28°C
Map: other cities in Hawaii in august
Cities near Honolulu (Oahu):
| 'Aiea in august | perfect weather |
| Kaneohe in august | good weather |
| Waimanalo in august | perfect weather |
| 'Ewa Beach in august | perfect weather |
| Pearl City in august | good weather |
| Kailua in august | perfect weather |
| Waipahu in august | good weather |
| Kapolei in august | perfect weather |
| Mililani Town in august | good weather |
| Wahiawa in august | good weather |
| Schofield Barracks in august | good weather |
| Hau'ula in august | good weather |
Click over cities on the map for information about the weather in august.
perfect weather
good
tolerable
bad
very bad
Weather data for Honolulu (Oahu) in august:
Weather data for Honolulu (Oahu) for august are derived from an average of the weather forecast since 2009 in Honolulu (Oahu). There is a margin of error and these forecasts are to be considered as general information only. The weather in Honolulu (Oahu) can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Honolulu (Oahu).