Weather on June 21
Honolulu, HI
55 Years of Data
Avg High
84°F
Avg Low
70°F
Warmest
2004
81°F avg
Coldest
2016
71°F avg
About This Date
June 21st in Honolulu, HI typically brings warm summer weather, with average highs around 84°F and lows near 70°F. Over 51 years of records, the warmest June 21st was in 2004 (81°F average), while the coldest was 2016 (71°F) — a 10°F range across recorded history. Rain or other precipitation has occurred on about 18% of June 21st dates historically. The last decade has been 4.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.3°F cooler on this date compared to 20-30 years ago.
Planning for June 21st 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 | 84° | 71° | 78° | — | — |
| 2024 | 81° | 68° | 74° | — | — |
| 2023 | 79° | 66° | 72° | — | — |
| 2022 | 80° | 66° | 73° | — | — |
| 2021 | 75° | 67° | 71° | — | — |
| 2020 | 75° | 66° | 71° | — | — |
| 2019 | 80° | 68° | 74° | — | — |
| 2018 | 82° | 68° | 75° | — | — |
| 2017 | 84° | 67° | 75° | — | — |
| 2016coldest | 76° | 67° | 71° | — | — |
| 2014 | 87° | 68° | 78° | 0.1" | — |
| 2013 | 81° | 66° | 73° | — | — |
| 2012 | 84° | 69° | 77° | — | — |
| 2010 | 86° | 71° | 79° | — | — |
| 2009 | 89° | 74° | 81° | — | — |
| 2008 | 86° | 70° | 78° | — | — |
| 2007 | 88° | 69° | 78° | — | — |
| 2006 | 83° | 66° | 74° | — | — |
| 2005 | 85° | 71° | 78° | — | — |
| 2004warmest | 89° | 73° | 81° | 0.03" | — |
| 2003 | 88° | 72° | 80° | — | — |
| 2002 | 85° | 71° | 78° | — | — |
| 2001 | 85° | 70° | 77° | — | — |
| 2000 | 85° | 67° | 76° | — | — |
| 1999 | 86° | 69° | 78° | — | — |
| 1998 | 84° | 68° | 76° | — | — |
| 1997 | 83° | 68° | 75° | 0.05" | — |
| 1996 | 87° | 70° | 78° | — | — |
| 1995 | 85° | 73° | 79° | — | — |
| 1994 | 86° | 70° | 78° | — | — |
| 1993 | 87° | 72° | 79° | — | — |
| 1992 | 86° | 70° | 78° | — | — |
| 1991 | 86° | 70° | 78° | — | — |
| 1990 | 83° | 72° | 77° | — | — |
| 1989 | 85° | 68° | 76° | — | — |
| 1988 | 85° | 68° | 76° | — | — |
| 1987 | 84° | 69° | 77° | — | — |
| 1986 | 88° | 72° | 80° | — | — |
| 1985 | 88° | 71° | 79° | — | — |
| 1984 | 88° | 71° | 79° | — | — |
| 1983 | 86° | 70° | 78° | — | — |
| 1982 | 84° | 70° | 77° | — | — |
| 1981 | 89° | 64° | 77° | — | — |
| 1978 | 81° | 69° | 75° | 0.28" | — |
| 1977 | 84° | 74° | 79° | — | — |
| 1976 | 83° | 71° | 77° | 0.25" | — |
| 1975 | 90° | 70° | 80° | 0.38" | — |
| 1974 | 83° | 73° | 78° | 0.08" | — |
| 1973 | 87° | 71° | 79° | — | — |
| 1972 | 80° | 67° | 73° | 0.08" | — |
| 1971 | 85° | 75° | 80° | 0.13" | — |
51 years of data from FRENCH FRIGATE SHOALS