Weather on October 20
Honolulu, HI
55 Years of Data
Avg High
84°F
Avg Low
69°F
Warmest
1977
81°F avg
Coldest
2022
68°F avg
About This Date
October 20th in Honolulu, HI typically brings warm fall weather, with average highs around 84°F and lows near 69°F. Over 52 years of records, the warmest October 20th was in 1977 (81°F average), while the coldest was 2022 (68°F) — a 13°F range across recorded history. Rain or other precipitation has occurred on about 21% of October 20th dates historically, with the wettest October 20th recording 2.67" of rain. The last decade has been 3.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.3°F cooler on this date compared to 20-30 years ago.
Planning for October 20th in Honolulu, HI? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 72° | 79° | — | — |
| 2024 | 85° | 68° | 76° | — | — |
| 2023 | 76° | 67° | 71° | — | — |
| 2022coldest | 73° | 62° | 68° | — | — |
| 2021 | 81° | 63° | 72° | — | — |
| 2020 | 77° | 69° | 73° | — | — |
| 2019 | 82° | 69° | 76° | — | — |
| 2018 | 82° | 66° | 74° | — | — |
| 2017 | 83° | 67° | 75° | — | — |
| 2016 | 83° | 68° | 75° | — | — |
| 2014 | 85° | 74° | 79° | — | — |
| 2013 | 85° | 68° | 76° | — | — |
| 2012 | 83° | 64° | 73° | — | — |
| 2011 | 85° | 69° | 77° | — | — |
| 2010 | 85° | 71° | 78° | — | — |
| 2009 | 88° | 72° | 80° | — | — |
| 2008 | 87° | 69° | 78° | — | — |
| 2007 | 88° | 70° | 79° | — | — |
| 2005 | 83° | 72° | 77° | 1.35" | — |
| 2004 | 85° | 72° | 78° | 0.08" | — |
| 2003 | 86° | 72° | 79° | — | — |
| 2002 | 86° | 73° | 80° | — | — |
| 2001 | 85° | 69° | 77° | — | — |
| 2000 | 89° | 72° | 80° | — | — |
| 1999 | 78° | 65° | 71° | 0.79" | — |
| 1998 | 82° | 69° | 76° | — | — |
| 1997 | 84° | 67° | 75° | — | — |
| 1996 | 85° | 74° | 79° | 2.67" | — |
| 1995 | 87° | 71° | 79° | — | — |
| 1994 | 88° | 72° | 80° | — | — |
| 1993 | 84° | 68° | 76° | — | — |
| 1992 | 87° | 71° | 79° | — | — |
| 1991 | 88° | 69° | 78° | — | — |
| 1990 | 78° | 73° | 76° | 0.89" | — |
| 1989 | 86° | 67° | 76° | — | — |
| 1988 | 90° | 66° | 78° | — | — |
| 1987 | 84° | 73° | 79° | — | — |
| 1986 | 88° | 66° | 77° | — | — |
| 1985 | 78° | 72° | 75° | 2.11" | — |
| 1984 | 88° | 70° | 79° | — | — |
| 1983 | 90° | 72° | 81° | 0.08" | — |
| 1982 | 84° | 71° | 78° | — | — |
| 1981 | 88° | 62° | 75° | — | — |
| 1980 | 86° | 65° | 75° | — | — |
| 1978 | 86° | 67° | 76° | 0.36" | — |
| 1977warmest | 84° | 77° | 81° | — | — |
| 1976 | 79° | 71° | 75° | — | — |
| 1975 | 84° | 74° | 79° | 0.15" | — |
| 1974 | 85° | 70° | 77° | — | — |
| 1973 | 83° | 72° | 77° | 0.13" | — |
| 1972 | 81° | 65° | 73° | 0.18" | — |
| 1971 | 87° | 71° | 79° | — | — |
52 years of data from FRENCH FRIGATE SHOALS