Weather on August 15 at Haleakala
Haleakala National Park
Based on 55 years of data from Kahului, HI
Elevation Note: Haleakala sits at 7,000 ft. Expect temperatures 25°F cooler than the data shown below, which comes from Kahului, HI at a lower elevation.
Planning Your Visit
August 15th in Haleakala National Park (via Kahului, HI) typically brings warm summer weather, with average highs around 88°F and lows near 71°F. Over 55 years of records, the warmest August 15th was in 2015 (84°F average), while the coldest was 1975 (75°F) — a 9°F range across recorded history. Rain or other precipitation has occurred on about 15% of August 15th dates historically, with the wettest August 15th recording 0.58" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 15th in Haleakala? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 91°F | 71°F | 0" | -- |
| 2024 | 87°F | 63°F | 0" | -- |
| 2023 | 90°F | 74°F | 0" | -- |
| 2022 | 89°F | 69°F | 0" | -- |
| 2021 | 87°F | 73°F | 0" | -- |
| 2020 | 92°F | 70°F | 0" | -- |
| 2019 | 93°F | 60°F | 0" | -- |
| 2018 | 89°F | 75°F | 0" | -- |
| 2017 | 90°F | 74°F | 0" | -- |
| 2016 | 88°F | 73°F | 0" | -- |
| 2015 | 92°F | 77°F | 0" | -- |
| 2014 | 89°F | 64°F | 0" | -- |
| 2013 | 88°F | 70°F | 0" | 0" |
| 2012 | 87°F | 73°F | 0" | -- |
| 2011 | 85°F | 72°F | 0.1" | -- |
| 2010 | 88°F | 70°F | 0.03" | -- |
| 2009 | 89°F | 73°F | 0" | -- |
| 2008 | 89°F | 70°F | 0" | -- |
| 2007 | 87°F | 75°F | 0" | -- |
| 2006 | 93°F | 71°F | 0" | -- |
| 2005 | 88°F | 68°F | 0" | -- |
| 2004 | 90°F | 76°F | 0" | -- |
| 2003 | 90°F | 75°F | 0" | -- |
| 2002 | 92°F | 71°F | 0" | -- |
| 2001 | 87°F | 69°F | 0.05" | -- |
| 2000 | 89°F | 65°F | 0" | -- |
| 1999 | 85°F | 72°F | 0.05" | -- |
| 1998 | 86°F | 72°F | 0" | -- |
| 1997 | 90°F | 70°F | 0" | 0" |
| 1996 | 89°F | 73°F | 0" | 0" |
| 1995 | 89°F | 72°F | 0.18" | 0" |
| 1994 | 89°F | 75°F | 0" | 0" |
| 1993 | 88°F | 72°F | 0.58" | 0" |
| 1992 | 88°F | 75°F | 0" | 0" |
| 1991 | 87°F | 66°F | 0" | 0" |
| 1990 | 88°F | 74°F | 0" | 0" |
| 1989 | 88°F | 69°F | 0" | 0" |
| 1988 | 87°F | 68°F | 0" | 0" |
| 1987 | 88°F | 69°F | 0" | 0" |
| 1986 | 87°F | 76°F | 0" | 0" |
| 1985 | 86°F | 68°F | 0" | 0" |
| 1984 | 91°F | 74°F | 0" | 0" |
| 1983 | 87°F | 70°F | 0" | 0" |
| 1982 | 86°F | 73°F | 0" | 0" |
| 1981 | 89°F | 72°F | 0" | 0" |
| 1980 | 87°F | 76°F | 0" | 0" |
| 1979 | 89°F | 76°F | 0.3" | 0" |
| 1978 | 90°F | 76°F | 0" | 0" |
| 1977 | 87°F | 68°F | 0" | 0" |
| 1976 | 86°F | 74°F | 0" | 0" |
| 1975 | 81°F | 70°F | 0.03" | 0" |
| 1974 | 80°F | 72°F | 0" | 0" |
| 1973 | 83°F | 72°F | 0" | 0" |
| 1972 | 85°F | 72°F | 0" | 0" |
| 1971 | 89°F | 68°F | 0" | 0" |