Lancaster, CA: May

31 May 2026: May 2026 averaged 68.3°F in Lancaster, CA, the warmest May since 2025, 23rd warmest of 81.

May 2026

Mean temperature: 68.3°F; Warmest since 2025; 23rd warmest of 81
Precipitation: a trace; Driest since 2022; 29th driest of 81

A normal May in Lancaster, CA (1991 to 2020): a mean temperature of 68°F, between 61.8°F and 71.7°F in eight years of ten and 0.01 in of precipitation, between 0.00 in and 0.30 in in eight years of ten.

The mean temperature of every May in Lancaster, CA since 1945: 68.3°F in 2026; the highest is 75.3°F, in 1997.

Normal range, 61.8 to 71.7°F

Every year, ranked, as a table

Every May in Lancaster, CA from 1945 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	68.3	23	83.1	27	53.4	28	trace	44	0
2025	69.6	15	84.2	17	55	12	0.27	10	0
2024	68	28	82.8	32	53.2	34	0.04	36	0
2023	66.8	39	80.3	45	53.4	28	0.12	23	0
2022	68.8	20	83.8	18	53.8	23	0.00	54	1
2021	71.3	7	85.6	11	57	7	0.00	54	0
2020	69.9	13	85.5	12	54.2	19	0.02	38	0
2019	61	76	73.5	76	48.5	71	0.61	4	0
2018	67.1	38	80.7	43	53.6	25	0.00	54	0
2017	67.3	32	83.1	27	51.4	47	0.00	54	0
2016	67.7	31	81.2	38	54.3	18	0.00	54	0
2015	63.6	66	76.5	69	50.7	50	0.28	8	0
2014	68.7	21	83.6	19	53.8	23	trace	44	0
2013	69.1	18	83.3	23	55	12	0.15	17	0
2012	70.7	10	86.2	8	55.3	11	0.00	54	0
2011	61.8	74	76.1	72	47.6	79	0.05	33	0
2010	62	73	75.7	73	48.4	74	trace	44	0
2009	74.3	3	89.5	2	59.1	2	0.02	38	0
2008	66.3	45	80.1	48	52.5	39	0.07	27	0
2007	69.3	16	85.3	13	53.4	28	0.00	54	0
2006	71.4	6	86.9	6	55.9	10	0.02	38	0
2005	68.2	24	82.9	30	53.5	26	0.50	5	0
2004	69.2	17	83.5	20	54.9	14	0.00	54	0
2003	67.3	32	82.1	34	52.5	39	0.27	10	0
2002	68.2	24	83.3	23	53.2	34	0.02	38	0
2001	74.8	2	91.8	1	57.8	3	trace	44	0
2000	70.2	12	83.4	22	57	7	0.00	54	0
1999	66.3	45	79.4	56	53.3	32	trace	44	0
1998	58.3	81	68.3	81	48.3	76	0.94	2	0
1997	75.3	1	89	3	61.5	1	trace	44	0
1996	69.7	14	82	35	57.5	5	trace	44	0
1995	61.6	75	73	77	50.1	58	0.02	38	0
1994	65.8	50	78.5	62	53.2	34	0.09	24	0
1993	66.5	43	79.5	54	53.4	28	0.00	54	0
1992	70.9	8	84.4	16	57.4	6	0.05	33	0
1991	62.7	69	74.9	75	50.5	54	0.00	54	0
1990	64.6	60	76.8	68	52.3	41	0.06	30	0
1989	66.8	39	79.5	54	54.1	21	0.23	12	0
1988	64.5	61	78.5	62	50.5	54	0.13	21	0
1987	67.3	32	80.8	41	53.9	22	0.18	15	0
1986	68.2	24	81.9	36	54.5	17	0.00	54	0
1985	65.5	54	79.2	58	51.8	43	0.03	37	0
1984	72.3	4	86.9	6	57.6	4	0.00	54	0
1983	65.6	53	79.4	56	51.8	43	0.00	54	0
1982	65.8	50	78.9	60	52.7	38	trace	44	0
1981	67.8	30	79.6	53	56.1	9	0.07	27	0
1980	60.3	77	71.8	79	48.8	69	0.28	8	0
1979	65.9	48	80.3	45	51.5	46	0.02	38	0
1978	65	57	80	49	50	61	0.00	54	0
1977	58.5	80	68.6	80	48.3	76	1.10	1	0
1976	68.9	19	83.1	27	54.6	16	0.06	30	0
1975	65.8	50	80.9	39	50.7	50	trace	44	0
1974	67.2	36	80.9	39	53.5	26	0.07	27	0
1972	66.4	44	82.9	30	49.8	62	0.00	54	0
1971	60.3	77	75.2	74	45.3	80	0.39	6	0
1970	66.7	41	83.5	20	49.8	62	trace	44	0
1969	68.4	22	85.3	13	51.6	45	0.13	21	0
1968	65.9	48	81.7	37	50.2	57	0.00	54	0
1967	65	57	80.4	44	49.5	66	0.00	54	0
1966	67.3	32	84.7	15	49.8	62	0.00	54	0
1965	63.7	65	77.4	65	50.1	58	0.00	54	0
1964	63.4	67	77.1	66	49.6	65	0.21	13	0
1963	66.1	47	80.3	45	51.9	42	0.00	54	0
1962	62.5	71	76.5	69	48.5	71	0.20	14	0
1961	62.7	69	76.9	67	48.5	71	0.00	54	0
1960	67.2	36	83.3	23	51	49	0.00	54	0
1959	63.3	68	77.7	64	48.8	69	0.00	54	1
1958	68	28	85.8	10	50.1	58	0.17	16	0
1957	62.3	72	76.2	71	48.4	74	0.08	25	0
1956	64.5	61	79.9	50	49.1	67	0.06	30	0
1955	64.2	64	78.8	61	49.1	67	0.71	3	1
1954	70.8	9	88.4	5	53.3	32	0.00	54	0
1953	58.9	79	72.8	78	45	81	0.14	19	0
1952	70.5	11	86.2	8	54.8	15	0.00	54	0
1951	68.1	27	83.3	23	52.9	37	0.14	19	0
1950	66.6	42	82.6	33	50.6	53	0.29	7	0
1949	65.5	54	79.8	51	51.1	48	0.08	25	0
1948	64.4	63	80.8	41	47.7	78	0.00	54	2
1947	71.5	5	88.7	4	54.2	19	0.05	33	1
1946	65.2	56	79.8	51	50.7	50	0.15	17	0
1945	64.8	59	79	59	50.5	54	0.00	54	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1997	75.3
2001	74.8
2009	74.3
1984	72.3
1947	71.5
2006	71.4
2021	71.3
1992	70.9
1954	70.8
2012	70.7

Coldest
Year	Mean, °F
1998	58.3
1977	58.5
1953	58.9
1980	60.3
1971	60.3
2019	61
1995	61.6
2011	61.8
2010	62
1957	62.3

Wettest
Year	Precipitation, in
1977	1.10
1998	0.94
1955	0.71
2019	0.61
2005	0.50
1971	0.39
1950	0.29
2015	0.28
1980	0.28
2025	0.27
More years share the last value

Driest
Year	Precipitation, in
2022	0.00
2021	0.00
2018	0.00
2017	0.00
2016	0.00
2012	0.00
2007	0.00
2004	0.00
2000	0.00
1993	0.00
More years share the last value

The hottest, coldest and wettest days

Hottest day: 98°F; 12 May 2026, 11 May 2026, 10 May 2026
Coldest night: 37°F; 19 May 2026

Every month, season and year

Months

Seasons

Years

Lancaster, CA the day's answers

All-time records

Every answer in words

May 2026 brought a trace of precipitation in Lancaster, CA, the driest May since 2022, tied 29th driest of 81 (with 2014, 2010, 2001 and 6 other years).
The hottest day of May 2026 in Lancaster, CA: 98°F on Tuesday 12 May 2026, Monday 11 May 2026 and Sunday 10 May 2026.
The coldest night of May 2026 in Lancaster, CA: a low of 37°F on Tuesday 19 May 2026.