Honolulu, HI: May

31 May 2026: May 2026 averaged 78.7°F in Honolulu, HI, the warmest May since 2025, tied 15th warmest of 78 (with 2018 and 1984).

May 2026

Mean temperature: 78.7°F; Warmest since 2025; 15th warmest of 78
Precipitation: 0.53 in; Wettest since 2025; 41st wettest of 86

A normal May in Honolulu, HI (1991 to 2020): a mean temperature of 78.3°F, between 76.6°F and 79.3°F in eight years of ten and 0.41 in of precipitation, between 0.09 in and 2.23 in in eight years of ten.

The mean temperature of every May in Honolulu, HI since 1946: 78.7°F in 2026; the highest is 81.3°F, in 2005.

Normal range, 76.6 to 79.3°F

Every year, ranked, as a table

Every May in Honolulu, HI from 1940 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

Year	Mean, °F	Rank	High, °F	Rank	Low, °F	Rank	Precipitation, in	Rank	Days missing
2026	78.7	15	85.1	27	72.3	13	0.53	41	0
2025	80.2	3	86.9	4	73.5	3	0.58	38	0
2024	77.6	42	83.5	60	71.7	21	4.90	2	0
2023	78.3	23	84.8	35	71.8	20	0.67	35	0
2022	78.2	27	84.3	47	72.1	17	1.40	15	0
2021	79.2	7	85.6	16	72.7	9	0.03	84	0
2020	79	9	85.8	13	72.2	15	0.55	40	0
2019	79.8	4	87.2	2	72.5	10	0.30	51	0
2018	78.7	15	84.5	41	72.8	7	0.25	57	0
2017	78.4	20	85.2	26	71.6	24	0.36	47	0
2016	78.8	13	84.8	35	72.8	7	3.17	9	0
2015	76.4	63	82.9	66	70	55	0.20	64	0
2014	78.1	33	84.3	47	72	18	3.35	8	0
2013	76.8	56	83.2	62	70.4	48	0.69	33	0
2012	77.6	42	83.7	56	71.5	28	0.04	83	0
2011	78.8	13	84.7	39	72.9	5	3.09	10	0
2010	78.5	18	84.8	35	72.2	15	1.40	15	0
2009	78.1	33	84.5	41	71.6	24	0.15	72	0
2008	79.2	7	85.5	17	72.9	5	0.53	41	0
2007	78.3	23	85.1	27	71.6	24	0.12	79	0
2006	75.3	74	81.4	77	69.2	72	1.11	22	0
2005	81.3	1	88	1	74.6	1	0.27	55	0
2004	79.4	5	85.3	22	73.5	3	1.29	17	0
2003	79	9	85.5	17	72.4	12	0.09	81	0
2002	78.1	33	83.8	55	72.5	10	1.96	14	0
2001	78.2	27	84.9	32	71.5	28	0.14	74	0
2000	78.2	27	85.1	27	71.4	30	0.03	84	0
1999	77.1	51	83.2	62	71	36	2.13	12	0
1998	76.6	60	82.7	68	70.5	46	0.16	69	0
1997	76.2	66	84.2	49	68.2	78	0.63	36	0
1996	79	9	87.2	2	70.8	39	0.13	77	0
1995	78.5	18	86.3	8	70.8	39	0.45	44	0
1994	79.3	6	86.3	8	72.3	13	0.09	81	0
1993	77.2	47	84.5	41	69.9	57	0.19	65	0
1992	77.8	40	85.3	22	70.2	53	1.13	20	0
1991	77.8	40	85.3	22	70.3	49	0.48	43	0
1990	78	37	85.4	21	70.7	41	0.30	51	0
1989	78.4	20	86.3	8	70.5	46	0.29	53	0
1988	78.9	12	86.2	11	71.6	24	1.25	18	0
1987	75.6	71	84	52	67.3	82	0.73	32	0
1986	78.3	23	86.2	11	70.3	49	0.81	28	0
1985	76.5	61	83.7	56	69.2	72	1.11	22	0
1984	78.7	15	85.7	14	71.7	21	0.16	69	0
1983	75.6	71	83.9	54	67.4	80	0.35	48	0
1982	78.3	23	85.5	17	71	36	0.13	77	0
1981	77.2	47	84.8	35	69.7	62	0.94	25	0
1980	78.2	27	85.1	27	71.4	30	0.78	30	0
1979	78	37	86.7	6	69.3	70	0.21	61	0
1978	78.2	27	84.9	32	71.4	30	3.39	6	0
1977	77.5	44	84.1	50	71	36	4.76	3	0
1976	77.5	44	84.6	40	70.3	49	0.26	56	0
1975	75.6	71	83.2	62	68.1	79	0.19	65	0
1974	78.1	33	85.7	14	70.6	43	0.82	27	0
1973	77.1	51	84.4	44	69.7	62	0.89	26	0
1972	77.2	47	84.4	44	70.1	54	0.12	79	0
1971	76.2	66	82.6	71	69.8	59	0.43	45	0
1970	80.4	2	86.8	5	74	2	0.21	61	0
1969	76.7	58	84.4	44	69	76	0.81	28	0
1968	78.4	20	85.5	17	71.3	33	1.22	19	0
1967	78.2	27	85	31	71.3	33	2.12	13	0
1966	77.1	51	84.9	32	69.3	70	0.41	46	0
1965	77	54	82.3	73	71.7	21	7.23	1	0
1964	76.3	65	83.1	65	69.6	64	0.21	61	0
1963	76.4	63	82.8	67	70	55	3.36	7	0
1962	77.2	47	83.6	58	70.7	41	0.32	49	0
1961	78	37	84.1	50	71.9	19	0.23	59	0
1960	77	54	83.5	60	70.6	43	3.85	4	0
1959	76.7	58	83.6	58	69.8	59	0.69	33	0
1958	75	75	80.6	80	69.5	67	0.24	58	0
1957	75.7	70	82.5	72	68.8	77	1.12	21	0
1956	75.8	69	81.7	76	69.9	57	1.01	24	0
1955	74.9	76	80.2	81	69.6	64	0.76	31	0
1954	74.9	76	80.8	79	69.1	74	0.16	69	0
1953	76.8	56	82.2	74	71.3	33	0.14	74	0
1952	73.7	78	80	82	67.4	80	0.15	72	0
1951	76.5	61	82.7	68	70.3	49	0.23	59	0
1950	76	68	81.3	78	70.6	43	0.32	49	0
1949							0.18	67	12
1948			82.7	68			0.18	67	6
1947			84	52	69.6	64	2.30	11	4
1946	77.3	46	85.3	22	69.4	68	0.28	54	2
1945			86.5	7	69.1	74	0.61	37	5
1944					69.4	68	0.57	39	6
1943							3.66	5	9
1942					69.8	59	0.01	86	9
1941			82.1	75			0.14	74	7
1940									19

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2005	81.3
1970	80.4
2025	80.2
2019	79.8
2004	79.4
1994	79.3
2021	79.2
2008	79.2
2020	79
2003	79
More years share the last value

Coldest
Year	Mean, °F
1952	73.7
1955	74.9
1954	74.9
1958	75
2006	75.3
1987	75.6
1983	75.6
1975	75.6
1957	75.7
1956	75.8

Wettest
Year	Precipitation, in
1965	7.23
2024	4.90
1977	4.76
1960	3.85
1943	3.66
1978	3.39
1963	3.36
2014	3.35
2016	3.17
2011	3.09

Driest
Year	Precipitation, in
1942	0.01
2021	0.03
2000	0.03
2012	0.04
2003	0.09
1994	0.09
2007	0.12
1972	0.12
1996	0.13
1982	0.13

The hottest, coldest and wettest days

Hottest day: 88°F; 17 May 2026
Coldest night: 69°F; 30 May 2026, 6 May 2026
Wettest day: 0.44 in; 15 May 2026

Every month, season and year

Months

Seasons

Years

Honolulu, HI the day's answers

All-time records

Every answer in words

May 2026 brought 0.53 in of precipitation in Honolulu, HI, the wettest May since 2025, tied 41st wettest of 86 (with 2008).
The hottest day of May 2026 in Honolulu, HI: 88°F on Sunday 17 May 2026.
The coldest night of May 2026 in Honolulu, HI: a low of 69°F on Saturday 30 May 2026 and Wednesday 6 May 2026.
The wettest day of May 2026 in Honolulu, HI: 0.44 in on Friday 15 May 2026.