Weather on May 18
Honolulu, HI
55 Years of Data
Avg High
82°F
Avg Low
67°F
Warmest
1971
83°F avg
Coldest
2023
67°F avg
About This Date
May 18th in Honolulu, HI typically brings warm spring weather, with average highs around 82°F and lows near 67°F. Over 53 years of records, the warmest May 18th was in 1971 (83°F average), while the coldest was 2023 (67°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 9% of May 18th dates historically. 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 18th 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 | 84° | 69° | 77° | — | — |
| 2024 | 77° | 67° | 72° | — | — |
| 2023coldest | 69° | 64° | 67° | — | — |
| 2022 | 70° | 66° | 68° | — | — |
| 2021 | 82° | 64° | 73° | — | — |
| 2020 | 75° | 66° | 71° | — | — |
| 2019 | 81° | 66° | 73° | — | — |
| 2018 | 81° | 67° | 74° | — | — |
| 2017 | 82° | 65° | 73° | — | — |
| 2016 | 77° | 67° | 72° | — | — |
| 2015 | 85° | 67° | 76° | — | — |
| 2014 | 78° | 70° | 74° | — | — |
| 2013 | 85° | 66° | 75° | — | — |
| 2012 | 84° | 66° | 75° | — | — |
| 2011 | 84° | 70° | 77° | — | — |
| 2010 | 83° | 69° | 76° | — | — |
| 2009 | 82° | 69° | 76° | — | — |
| 2008 | 84° | 70° | 77° | — | — |
| 2007 | 84° | 69° | 77° | — | — |
| 2006 | 79° | 60° | 69° | — | — |
| 2005 | 87° | 72° | 79° | — | — |
| 2004 | 83° | 69° | 76° | — | — |
| 2003 | 84° | 69° | 77° | 0.03" | — |
| 2002 | 83° | 70° | 76° | — | — |
| 2001 | 83° | 67° | 75° | — | — |
| 2000 | 87° | 56° | 71° | — | — |
| 1999 | 81° | — | — | — | — |
| 1998 | 78° | 64° | 71° | 0.08" | — |
| 1997 | 83° | 63° | 73° | — | — |
| 1996 | 85° | 69° | 77° | — | — |
| 1995 | 84° | 68° | 76° | — | — |
| 1994 | 85° | 68° | 76° | — | — |
| 1993 | 83° | 67° | 75° | — | — |
| 1992 | 84° | 70° | 77° | — | — |
| 1991 | 83° | 67° | 75° | — | — |
| 1990 | 82° | 68° | 75° | — | — |
| 1989 | 83° | 64° | 73° | — | — |
| 1988 | 84° | 68° | 76° | — | — |
| 1987 | 82° | 63° | 72° | — | — |
| 1986 | 85° | 68° | 76° | — | — |
| 1985 | 78° | 65° | 71° | — | — |
| 1984 | 85° | 70° | 77° | — | — |
| 1983 | 84° | 67° | 75° | — | — |
| 1982 | 80° | 68° | 74° | 0.1" | — |
| 1981 | 89° | 63° | 76° | — | — |
| 1978 | 77° | 71° | 74° | — | — |
| 1977 | 83° | 71° | 77° | — | — |
| 1976 | 79° | 69° | 74° | — | — |
| 1975 | 81° | 67° | 74° | — | — |
| 1974 | 81° | 73° | 77° | 0.1" | — |
| 1973 | 80° | 66° | 73° | 0.05" | — |
| 1972 | 80° | 66° | 73° | — | — |
| 1971warmest | 92° | 75° | 83° | — | — |
53 years of data from FRENCH FRIGATE SHOALS