Weather on May 20
Honolulu, HI
55 Years of Data
Avg High
82°F
Avg Low
67°F
Warmest
2004
82°F avg
Coldest
2013
67°F avg
About This Date
May 20th in Honolulu, HI typically brings warm spring weather, with average highs around 82°F and lows near 67°F. Over 51 years of records, the warmest May 20th was in 2004 (82°F average), while the coldest was 2013 (67°F) — a 15°F range across recorded history. Rain or other precipitation has occurred on about 20% of May 20th dates historically, with the wettest May 20th recording 2.31" of rain. The last decade has been 3.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.0°F cooler on this date compared to 20-30 years ago.
Planning for May 20th in Honolulu, HI? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 70° | 77° | — | — |
| 2024 | 79° | 66° | 72° | — | — |
| 2023 | 80° | 68° | 74° | — | — |
| 2022 | 78° | 68° | 73° | — | — |
| 2021 | 81° | 63° | 72° | — | — |
| 2020 | 79° | 66° | 72° | — | — |
| 2019 | 78° | 67° | 72° | — | — |
| 2018 | 78° | 65° | 71° | — | — |
| 2017 | 75° | 66° | 71° | — | — |
| 2016 | 80° | 67° | 73° | — | — |
| 2014 | 84° | 71° | 78° | — | — |
| 2013coldest | 77° | 57° | 67° | — | — |
| 2012 | 85° | 67° | 76° | — | — |
| 2011 | 85° | 69° | 77° | — | — |
| 2010 | 86° | 72° | 79° | — | — |
| 2009 | 82° | 65° | 73° | — | — |
| 2008 | 82° | 71° | 77° | 0.03" | — |
| 2007 | 85° | 74° | 79° | — | — |
| 2006 | 80° | 61° | 70° | — | — |
| 2005 | 84° | 68° | 76° | — | — |
| 2004warmest | 87° | 77° | 82° | 0.03" | — |
| 2003 | 85° | 67° | 76° | — | — |
| 2002 | 81° | 70° | 75° | 0.56" | — |
| 2001 | 84° | 69° | 77° | — | — |
| 1999 | 85° | 63° | 74° | — | — |
| 1998 | 83° | 63° | 73° | — | — |
| 1997 | 80° | 63° | 71° | — | — |
| 1996 | 84° | 70° | 77° | — | — |
| 1995 | 81° | 68° | 74° | — | — |
| 1994 | 85° | 70° | 77° | 0.13" | — |
| 1993 | 84° | 69° | 77° | — | — |
| 1992 | 81° | 68° | 74° | 1.47" | — |
| 1991 | 85° | 68° | 76° | — | — |
| 1990 | 83° | 63° | 73° | — | — |
| 1989 | 82° | 65° | 73° | — | — |
| 1988 | 84° | 67° | 75° | — | — |
| 1987 | 80° | 63° | 71° | — | — |
| 1986 | 86° | 67° | 76° | — | — |
| 1985 | 82° | 61° | 71° | — | — |
| 1984 | 84° | 68° | 76° | — | — |
| 1983 | 80° | 69° | 75° | 0.05" | — |
| 1982 | 83° | 64° | 73° | — | — |
| 1981 | 91° | 65° | 78° | — | — |
| 1978 | 83° | 70° | 76° | 0.03" | — |
| 1977 | 76° | 69° | 72° | 2.31" | — |
| 1976 | 82° | 62° | 72° | 0.05" | — |
| 1975 | 82° | 68° | 75° | — | — |
| 1974 | 83° | 75° | 79° | 0.05" | — |
| 1973 | 81° | 68° | 74° | — | — |
| 1972 | 81° | 66° | 73° | — | — |
| 1971 | 84° | 77° | 81° | — | — |
51 years of data from FRENCH FRIGATE SHOALS