Weather on August 9
Honolulu, HI
55 Years of Data
Avg High
86°F
Avg Low
71°F
Warmest
1971
84°F avg
Coldest
1978
72°F avg
About This Date
August 9th in Honolulu, HI typically brings warm summer weather, with average highs around 86°F and lows near 71°F. Over 51 years of records, the warmest August 9th was in 1971 (84°F average), while the coldest was 1978 (72°F) — a 12°F range across recorded history. Rain or other precipitation has occurred on about 12% of August 9th dates historically, with the wettest August 9th recording 4.24" of rain. The last decade has been 3.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.1°F cooler on this date compared to 20-30 years ago.
Planning for August 9th in Honolulu, HI? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 74° | 80° | — | — |
| 2024 | 81° | 67° | 74° | — | — |
| 2023 | 87° | 69° | 78° | — | — |
| 2022 | 81° | 68° | 74° | — | — |
| 2021 | 81° | 66° | 73° | — | — |
| 2020 | 84° | 70° | 77° | — | — |
| 2019 | 77° | 71° | 74° | — | — |
| 2018 | 84° | 67° | 75° | — | — |
| 2017 | 84° | 68° | 76° | — | — |
| 2016 | 83° | 70° | 76° | — | — |
| 2013 | 85° | 66° | 75° | — | — |
| 2012 | 87° | 73° | 80° | — | — |
| 2011 | 87° | 73° | 80° | — | — |
| 2010 | 87° | 77° | 82° | — | — |
| 2009 | 88° | 74° | 81° | — | — |
| 2008 | 88° | 71° | 79° | — | — |
| 2007 | 87° | 71° | 79° | — | — |
| 2006 | 84° | 66° | 75° | — | — |
| 2005 | 87° | 72° | 79° | — | — |
| 2004 | 89° | 76° | 82° | — | — |
| 2003 | 88° | 71° | 79° | — | — |
| 2002 | 87° | 71° | 79° | — | — |
| 2001 | 86° | 71° | 79° | — | — |
| 2000 | 87° | 70° | 78° | — | — |
| 1999 | 91° | 65° | 78° | — | — |
| 1998 | 81° | 69° | 75° | 0.05" | — |
| 1997 | 87° | 72° | 79° | — | — |
| 1996 | 88° | 72° | 80° | — | — |
| 1995 | 87° | 74° | 80° | — | — |
| 1994 | 87° | 72° | 79° | — | — |
| 1993 | 91° | 72° | 81° | — | — |
| 1992 | 87° | 72° | 79° | — | — |
| 1991 | 90° | 77° | 83° | 0.13" | — |
| 1990 | 86° | 71° | 79° | — | — |
| 1989 | 85° | 71° | 78° | 0.13" | — |
| 1988 | 87° | 72° | 79° | — | — |
| 1987 | 87° | 71° | 79° | — | — |
| 1986 | 86° | 70° | 78° | — | — |
| 1985 | 88° | 70° | 79° | — | — |
| 1984 | 88° | 74° | 81° | — | — |
| 1983 | 84° | 69° | 77° | — | — |
| 1982 | 89° | 74° | 81° | — | — |
| 1981 | 93° | 66° | 80° | — | — |
| 1978coldest | 78° | 67° | 72° | 4.24" | — |
| 1977 | 88° | 76° | 82° | — | — |
| 1976 | 89° | 75° | 82° | — | — |
| 1975 | 83° | 75° | 79° | 0.25" | — |
| 1974 | 90° | 79° | 84° | 0.48" | — |
| 1973 | 88° | 70° | 79° | — | — |
| 1972 | 87° | 65° | 76° | — | — |
| 1971warmest | 91° | 77° | 84° | — | — |
51 years of data from FRENCH FRIGATE SHOALS