Kahului, HI: May

31 May 2026: May 2026 averaged 76.6°F in Kahului, HI, the warmest May since 2025, tied 20th warmest of 71 (with 1967).

May 2026

Mean temperature: 76.6°F; Warmest since 2025; 20th warmest of 71
Precipitation: 0.44 in; Wettest since 2024; 42nd wettest of 87

A normal May in Kahului, HI (1991 to 2020): a mean temperature of 76.2°F, between 75.2°F and 77.8°F in eight years of ten and 0.52 in of precipitation, between 0.04 in and 1.91 in in eight years of ten.

The mean temperature of every May in Kahului, HI since 1954: 76.6°F in 2026; the highest is 78.9°F, in 1980.

Normal range, 75.2 to 77.8°F

Every year, ranked, as a table

Every May in Kahului, HI from 1905 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	76.6	20	83.8	49	69.5	5	0.44	42	0
2025	78	6	86.5	10	69.5	5	0.05	69	0
2024	75.7	42	84.5	39	67	43	0.49	38	0
2023	76.9	14	86	16	67.7	27	0.23	52	0
2022	78	6	87.2	3	68.7	12	0.18	56	0
2021	76.7	19	85.7	19	67.7	27	0.14	61	0
2020	78.2	5	87.4	2	69	11	0.74	29	0
2019	78.6	2	89.1	1	68.1	22	0.92	21	0
2018									7
2017	76.4	25	85.7	19	67	43	0.08	67	0
2016	77.1	12	85.4	25	68.7	12	3.03	3	0
2015	75.9	34	83.4	56	68.5	14	2.23	7	0
2014	77.2	11	86.1	14	68.3	18	1.02	17	0
2013	77.7	10	87.1	4	68.3	18	0.79	27	0
2012	75.4	50	83.7	52	67	43	0.55	33	0
2011	76.4	25	85.5	21	67.4	39	1.31	13	0
2010	76.8	16	86	16	67.6	33	0.03	75	0
2009	74.9	57	84.6	35	65.2	64	0.01	79	0
2008	76.2	30	86	16	66.4	54	0.04	73	0
2007	76.5	22	86.3	13	66.6	50	0.05	69	0
2006	74.3	61	82.8	61	65.8	61	0.75	28	0
2005	77	13	85.5	21	68.5	14	0.21	54	0
2004	76.3	27	84.5	39	68	23	2.24	6	0
2003	76.2	30	86.1	14	66.2	58	trace	82	0
2002	75.6	45	84.6	35	66.7	49	1.83	9	0
2001	75.3	51	84.3	42	66.4	54	0.08	67	0
2000	75.9	34	85.4	25	66.4	54	0.04	73	0
1999	75.7	42	86.6	8	64.8	67	0.51	37	0
1998	74.4	60	81.8	63	67	43	0.44	42	0
1997	75.6	45	83	60	68.2	20	0.83	25	0
1996	78	6	86.4	12	69.6	4	0.46	41	0
1995	75.9	34	84.2	45	67.7	27	0.61	31	0
1994	76.2	30	84.6	35	67.7	27	0.05	69	0
1993	75.9	34	84	48	67.9	25	0.52	36	0
1992	76.3	27	85	31	67.6	33	1.58	11	0
1991	75.8	40	84.3	42	67.3	41	0.24	51	0
1990	75.5	47	83.3	57	67.7	27	1.50	12	0
1989	75.5	47	83.5	55	67.5	36	0.85	22	0
1988	76.5	22	84.5	39	68.4	17	0.17	58	0
1987	72.4	71	79.6	69	65.1	66	4.36	2	0
1986	75.9	34	84.3	42	67.5	36	1.02	17	0
1985	73.1	68	80.4	66	65.8	61	1.20	15	0
1984	78.5	3	87	5	69.9	2	0.47	39	0
1983	74.9	57	83.3	57	66.5	51	0.94	20	0
1982	76	33	84.6	35	67.4	39	0.14	61	0
1981	77.9	9	86.5	10	69.4	9	0.84	23	0
1980	78.9	1	86.8	6	71	1	0.53	35	0
1979	75.9	34	85.3	28	66.5	51	0.09	66	0
1978	78.3	4	86.7	7	69.9	2	0.82	26	0
1977	75.8	40	83.7	52	67.8	26	0.20	55	0
1976	75	55	83.8	49	66.1	59	0.01	79	0
1975	73	70	82.3	62	63.6	71	0.03	75	0
1974	75.7	42	85	31	66.5	51	0.54	34	0
1973	73.3	67	81.7	64	64.8	67	0.57	32	0
1972	74.7	59	85.2	29	64.2	70	trace	82	0
1971	75.1	53	85.5	21	64.7	69	0.10	64	0
1970	76.9	14	86.6	8	67.2	42	0.02	78	0
1969	75.5	47	85.5	21	65.4	63	0.27	50	0
1968	75	55	84.8	34	65.2	64	2.56	5	0
1967	76.6	20	85.1	30	68.2	20	2.05	8	0
1966	76.5	22	85.4	25	67.6	33	0.17	58	0
1965	75.1	53	83.8	49	66.4	54	0.43	44	0
1964	73.6	64	81.2	65	66	60	0.18	56	0
1963	75.3	51	83.1	59	67.5	36	2.66	4	0
1962	76.3	27	84.9	33	67.7	27	0.28	49	0
1961	76.8	16	84.1	46	69.5	5	0.14	61	0
1960	76.8	16	84.1	46	69.5	5	0.42	45	0
1959			83.6	54			0.98	19	24
1958	73.1	68	79.3	70	66.8	48	0.33	48	0
1957	73.6	64	80.2	67	67	43	0.47	39	0
1956	74	62	80.1	68	68	23	0.01	79	0
1955	73.5	66	78.5	72	68.5	14	0.15	60	0
1954	74	62	78.7	71	69.2	10	0.84	23	0
1924							1.14	16	31
1923							trace	82	31
1922							0.00	85	31
1921							0.03	75	31
1920							0.35	47	31
1919							1.63	10	31
1918							0.69	30	31
1917							1.29	14	31
1913							4.93	1	31
1912							0.05	69	31
1909							0.00	85	31
1908							0.23	52	31
1907							0.00	85	31
1906							0.10	64	31
1905							0.37	46	31

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1980	78.9
2019	78.6
1984	78.5
1978	78.3
2020	78.2
2025	78
2022	78
1996	78
1981	77.9
2013	77.7

Coldest
Year	Mean, °F
1987	72.4
1975	73
1985	73.1
1958	73.1
1973	73.3
1955	73.5
1964	73.6
1957	73.6
1956	74
1954	74

Wettest
Year	Precipitation, in
1913	4.93
1987	4.36
2016	3.03
1963	2.66
1968	2.56
2004	2.24
2015	2.23
1967	2.05
2002	1.83
1919	1.63

Driest
Year	Precipitation, in
1922	0.00
1909	0.00
1907	0.00
2003	trace
1972	trace
1923	trace
2009	0.01
1976	0.01
1956	0.01
1970	0.02

The hottest, coldest and wettest days

Hottest day: 90°F; 17 May 2026
Coldest night: 64°F; 30 May 2026
Wettest day: 0.28 in; 16 May 2026

Every month, season and year

Months

Seasons

Years

Kahului, HI the day's answers

All-time records

Every answer in words

May 2026 brought 0.44 in of precipitation in Kahului, HI, the wettest May since 2024, tied 42nd wettest of 87 (with 1998).
The hottest day of May 2026 in Kahului, HI: 90°F on Sunday 17 May 2026.
The coldest night of May 2026 in Kahului, HI: a low of 64°F on Saturday 30 May 2026.
The wettest day of May 2026 in Kahului, HI: 0.28 in on Saturday 16 May 2026.